Decreasing current draw 5% may increase voltage 15%, and that's a win. Hard wire the Solar iBoost+ in accordance with the selected wiring diagram on pages 7-9, noting the warnings on page 8. When a problem is detected the red warning triangle on the front of the unit is illuminated. Jul 6, 2015 #615 December 2022 at 11:16AM. Reply from Marlec Engineering Co. The Eddi gives me zero additional savings. If it works during daylight, it will start to heat the water properly. 4kwh system, South facing. . Solar iBoost+ uses only the. However, I would like to change the way the system works- specifically, I want my excess generation to go first to my immersion heater, then, when the tank is hot I would like any excess to. Positioning should be convenient for running a cable from a fused spur to the Solar iBoost and on to the immersion element. Use the Solar iBoost+ built in timer to replace any overnight economy energy water heating. 8 kWp system, (4. Marlec¢€™s innovative Solar iBoost+ diverts the surplus solar photovoltaic energy generated at your home to heat the water in the household tank and save you money. 3. Find out the causes and solutions for messages such as clamp, thermostat, or power supply issues. Hi All. Solar iBoost+ is an innovative product from Marlec Engineering which enables homeowners to divert PV-generated energy to their hot water tank, giving them free hot water. 8kw solax batteries, iboost+ and iboost+ buddy monitor, all CT's on Grid Live. Solar iBoost+™ FAQ’s; Solar iBoost™ User Operating Help;. 66kWp) south facing, 4 x JASolar 380w panels (1. Graham Sowter – October 22, 2021. It would appear that the issue sits with the way the Iboost monitors the export and incorrectly decides to cut in. Even if there was a problem with the clamp - it shouldn't be powering the immersion while saying water. Reduced use of your boiler. Two chickens: 1 Light Sussex, 1 Speckled Rock. The Solar iBoost+ internal diagnostics notify if any problem arises in the system. e. 5kw for long enough time each day (minus late Nov - lat Mar) to make it worth it. If it is not, the heat generated by the inverter can cause it to make noise. They deserve 5 star for the product but. 3) The iboost needs to detect a load so the thermostat on the immersion must be asking for heat. 6. 6. Which are programmable on a 5/2 day basis. 12:42 PM - Feb 07 #10. I'm about to wire up my Solar iboost but i don't understand why my single top immersion has 2 cables and what to do with cables when it come to installation. Page 6: Installation. iBoost This application displays the current car battery's voltage, battery charging performance, engine start voltage connect to iBoost box via Bluetooth. The other set of tails goes to the house CU which is. I'm posting this now because the solar company has gone AWOL and are refusing to come back to fix things. Solar thermal panels in cold climates are at risk of freezing in winter, so in the North, we use a glycol mix as a heat transfer fluid. • Maximise the use of the free solar energy generated at your property. 4kw PV fitted 4th July 2014 (Green Energy NW £5600). The supplier (Marlec in Corby) know of the problem but they have no plans to correct the problem. However, solar inverters can sometimes overheat, and this can cause a number of problems. Quick Find: 8811. Head straight to the main forums to chat by click here: American Electrical Advice Forum. The Solar iBoost intelligently controls the amount of energy fed into the immersion heater using information from the sender. Had problem with this. London. The Solar Iboost monitors the incoming electricity supply and looks for power going back to the grid, this could be because you are generating more power than you are using in the. The Solar iBoost+ unit receives information wirelessly from the sender unit and controls the power to the immersion heater. If the system is new pairing will be established automatically. – Check the fan on the inverter. The red warning triangle illuminates and the message Sender Battery Low also appears on the screen. Save time, money & unsightly wiring. The broadband problem still existed, but at least I had eliminated the heater element and thermostat. EV car, PodPoint charger. From United Kingdom Anon. I have recently had PV solar panels fitted with Solar iBoost installed to heat my water tank through the immersion heater. The main unit is working fine and pairs with the sender. . You can also view this remotely within the home by adding an iBoost Buddy to. 2kw split east west, 2x 5. Spent about 20 minutes wandering around turning all the various bits off and on to work out. 22deg pitch East to west 12 panels on the East and 8 on the West. It intelligently controls and adjusts the flow of energy to the immersion in proportion with the fluctuating export levels. (The iBoost+ Buddy is suitable for homeowners to install)Solar iBoost is designed for use with up to 2 immersion heaters each rated up to 3kW for water heating in the home, each immersion is used in turn by the Solar iBoost+. When the unit is first supplied, the sender will be pre-paired to the iBoost and not require further action. A message on the display details the specific problem:. My solar iboost is tripping the MCB. Cleaning or replacing the fan may help reduce the noise. Solar iBoost Problem Electricians Forum Talk electrics. 1. When the Solar iBoost+ detects that you are generating 100W more energy than you're using, it automatically sends the excess to power your immersion heater. VAT. 00 - Fri 08. 2/ Boost. There’s no need to change your immersion heater as Solar iBoost works with any normal. Fitting the iBoost means you can: - Cut the cost of water heating in your home. By installing a Solar iBoost+ you will be simply maximising your use of free solar energy generation by your solar panels. Can someone explain (in simple layman's terms) what I need to do to solve this problem. For instructions on how to Programme the Timed Boost Setting on the Solar iBoost+ please refer. It's fractionally more money than the iBooster. The solar iboost allows you to divert your excess electricity from your solar panels to the immersion heater. The Solar iBoost Immersion Controller includes two parts which talk wirelessly to each other. Learn how to fix common problems with Solar iBoost™, a device that diverts excess solar energy to the immersion heater. From starting out in the Humber Freeport, the epicentre of green technology in the UK, to our recent global expansion, our vision remains; To create the myenergi eco-smart home: a simple, accessible, and convenient eco-system that save. Establish a Pairing Between Solar iBoost & the Sender. 12:42 PM - Feb 07 #10. Update to the Tesla Powerwall Problem With Solar IBoost. Symptoms covered in. Other popular diverters include Eddi from Myenergi, closer to £400 in price, and the SolarEdge diverter which ranges from around £100-£400. If you limit the Solis backflow limit to 100W the iBoost will have noting to use. My household voltage runs between 240v & 250v. 1. Tel: +44 (0) 1536 201588 Email: [email protected] Mon to Thur 08. 28kwh solar array split across two parts of a hiopped roof, a 3KW GroWAtt inverter, and an iBoost My house is similar to yours in setup - there's a small Potteron boiler that provides hot water and central heating, the boiler feeds an unvented cylinder in the loft space which stores hot water for the days use. Panels run the house and PW fills first. 1. Druk op een willekeurige knop op de Solar iBoost+ om de achtergrondverlichting in te schakelen. 66kWp) south facing, 4 x JASolar 380w panels (1. After much conversation between installer, Iboost and Tesla it would seem that it is a known issue that the Tesla will not work well with the Iboost on some installations. This is a simple instructional video of how to pair your new iBoost Buddy in-house display to your Solar iBoost+ PV Immersion Controller. The additional boost buddy gives a constant reading of how much you are saving and tells you when you are using power from the grid or exporting. i changed the spur. Effortlessly track and manage your home’s energy consumption with the iBoost+ Buddy. The immersion heater must be fitted with thermal cut-out (thermostat) to prevent water overheating. Mar 11, 2022. Solar iBoost+. Alan Sinclair,, | Great product backed up by really helpful people at Marlec. CT clamps positioning: My iBoost + for HW is first after DNO meter. I recently had solar panels and iboost installed. It saves you money by cutting the cost of water heating and reduces the use of your home’s boiler. Northern Lincolnshire. If you open the unit the fuse is pretty obvious but it's not supposed to be "tampered" with so be aware. Read honest and unbiased product reviews from our users. Join 100,000's Of Homeowners Who Are Already Saving Money On Their Hot Water Heating Bills. Put some distance between other devices and the sender and the problem is likely to be removed. Solar iBoost problem. A user reports a broadband problem with a Solar iBoost device that he installed to heat his water tank with solar power. Installation. Cutting the cost of your water heating, and reducing the strain on your boiler. Dec 22, 2022. Can someone tell me what the resistance should be for a Solar iboost Clamp? My clamp is regestering zero ohms and I want to confirm this is the problem. Any help appreciated. By effectively diverting this unused energy towards your water heater, the Solar iBoost ensures that homeowners can tap into the power of the sun even when their electrical appliances aren’t in use. Solar iBoost+™ FAQ’s; Solar iBoost™ User Operating Help;. The Solar iBoost+ automatically heats up to 2 immersions. co. Noticeable difference in the use of oil, which only kicks in when tank drops below 45. xion2000 (Graham) April 2, 2023, 10:05am 11. The solar Iboost is a very simple and effective energy diverting device and is perfect for customers that want a budget device that is still very reliable and robust. . The iBoost+ Buddy is not compatible with original Solar iBoost Tip: plug in and setup the Buddy in close proximity to the Solar iBoost for convenience. A very basic question, is it possible to connect to the iboost ct signal to obtain the export and remove the need for another ct clamp to be fitted to measure export? TIA I am not familiar with the iBoost, but my Immersun plus a CT gave me most, if not all, of the information and facilities of my new Eddi, just a bit noisy because the Immersun was fan cooled. I want to log solar generated, exported,diverted and home use. How can the iboost override the tank. Solar panels are generally quite reliable. Use one Solar iBoost+ on one phase with its own 3kW immersion or resistive load. If I already have an iboost for hot water, and I want to install a Zappi solar car charger, does it matter that it also uses a CT clamp to calculate energy? London. So thoughts are turning to automating the use of the spare solar to heat the water tank. The problem is we have solar powered hot water at the moment, and in 5 years it's helped us save 1,898kWh in electricity. Sensor for when water is Hot, (when the tank is fully hot, iBoost displays Hot) I have a Marlec Solar Iboost+ solar diverter which communicates to it's display unit on 868. VAT (£ 249. Read honest and unbiased product reviews from our users. A message on the display details the specific problem: Sender Battery LOW Batteries are low in the sender unit – replace batteries at earliest opportunity. I would like to resolve it as we are exporting a lot of energy so would like to get this sorted once and for all. i have been asked to fit an i boost to an existing system that has solar panels. Go find it with an Ohmmeter. In some scenarios it's quite a way out. The sender as they call it is located in the meter cupboard and just signals when spare solar. The elements should be controlled through separate thermostats. ID: 2739. 16 Hyundai 400kw all black panels w/ optimisers, 6kw Solaredge HD Wave inverter, Solar Iboost with two immersion heaters on one 240l hw tank. The solar iboost allows you to divert your excess electricity from your solar panels to the. If the system is new pairing will be established automatically. The display is completely blank, no lights, no messages, nada. Optional iBoost Buddy also now available. 6 kw east facing), Solis inverters, Solar IBoost water heater, Mitsubishi SRK35ZS-S and SRK20ZS-S Wall Mounted Inverter Heat Pumps, ex Nissan Leaf owner) 0. 0kW Single Phase Solar Inverter (1 MPPT) (DC + WiFi) £ 298. Built in hot water timer with added Boost function. ensure grid power is not consumed by the x Solar iBoost saves you money by subsidising your usual water heating gas or oil usage x Utilises power generated from your solar PV array during the day to heat your hotThe Solar iBoost+ internal diagnostics notify if any problem arises in the system. Most popular controller in the UK. SOLAR iBOOST. Not from me I'm afraid. Sender for up to 10 seconds to pair the devices. With the Sender in hand and batteries fitted stand about 1-2 metres away from the Solar iBoost. I have a solar iboost unit on my hot water system. 6 kw east facing), Solis inverters, Solar. . 443p) that's a potential saving of £236. iBoost uses the existing immersion element but the early versions were totally unprogramable. Solar PV System 1: 2. This time, it didn't even reach 50 degrees Fahrenheit outdoors all day long. The solar iboost allows you to divert your excess electricity from your solar panels to the immersion heater. How to programme the Battery Storage Offset on the Solar iBoost+. 22 November 2022 at 8:45PM in Green & ethical MoneySaving. This included installation for an iboost system. 4kwh system, South facing. For instrustructions on how to install the Solar iBoost + please refer to your installlation manual or visit. It's about 3 years old. 00 - Fri 08. 16 September 2019 at 9:06AM. . The Solar iBoost+ automatically heats up to 2 immersions. 16 Hyundai 400kw all black panels w/ optimisers, 6kw Solaredge HD Wave inverter, Solar Iboost with two immersion heaters on one 240l hw tank. You will benefit from: Maximising the use of the free solar energy generated at your property. Využijte Solar iBoost+ na solární ohřev vody z přebytků elektřiny z vaší fotovoltaické elektrárny. The only problem we have had was with the controller after a thunderstorm, we have fitted several MOV sets on the downline in the hope that this would drain any spikes to earth before they get to the controller, so far so good. Maximise the use of your free solar energy. SOLAR iBOOST. com. Hi. · Regardez l'affichage du Solar iBoost+ et activez à distance la fonction « Boost ». 2 kw west facing panels , 3. 2 kw west facing panels , 3. De Solyx Energy WaterAccu is geen echte accu, maar beschrijft ons concept om energie op te slaan in de vorm van warm water. When a problem is detected the red warning triangle on the front of the unit is illuminated. I was annoyed by the exagerated and misleading claims in many. 7. Establish a Pairing Between Solar iBoost & the Sender. Solar iBoost’s built in display means that you can watch your savings grow, simply press the display button to see Saved Today, Saved Yesterday,. It is difficult to put a figure on it but I wouldn’t be surprised if 10% of what the IBoost saves does in fact come from imported electricity. For instructions on how to set the Timed Boost settings on the Solar iBoost+ please refer to your user manual. Reading other forums, it may now be possible to set the lowest level at which it will divert but it may still not be able to set an upper limit. Zimpaz. . Head straight to the main forums to chat by click here: American Electrical Advice Forum. Note: Solar iBoost+ and Solar iBoost (original) models prior to April 2019 are also compatible alongside battery systems with thresholds under 100W without any changes normally. xxkW” will display. Use your existing immersion heater and hot water tank. The iBoost is designed to use any spare (exported) power, over that 100W threshold. If three lights show, turn the power to the SOLiC 200 off , thenDe Solar iBoost+ wordt geprogrammeerd met de knoppen A en B. Has anybody experience solar iboost creating problems with immersion heater safety cut out? Does the iboost somehow heat the tank higher. Other popular diverters include Eddi from Myenergi, closer to £400 in price, and the SolarEdge diverter which ranges from around £100-£400. According to HomeHeatingGuide, the Solar iBoost from Marlec is the most popular choice of power diverter in the UK and can cost between £250-£300. The iBoost immersion system was not connected properly and we ended up with no hot water for a few days. I understand the iboost is on its own mcb but do I need to get this looked into further or is this normal for the iboost. 'Normal' system. No solar energy will be captured by the Solar iBoost and timed settings will not operate. Sep 14, 2023. This reduces the fuel required by the boiler, thereby cutting fuel costs. Solar PV System 1: 2. Marlec Engineering Co Ltd Rutland House Trevithick Road Corby, Northants NN17 5XY. When a problem is detected the red warning triangle on the front of the unit is illuminated. 3mhz. Put some distance between other devices and the sender and the problem is likely to be removed. 1). 30 to 15. Establish a Pairing Between Solar iBoost & the Sender. 23 April 2016 at 1:15PM. 00 - Fri 08. Solic200 Controller User Manual. Welcome to ElectriciansForums. Solar iBoost+ is an innovative product from Marlec Engineering which enables homeowners to divert PV-generated energy to their hot water tank, giving them free hot water. The web portal is better but has some ridiculous spelling errors, my battery is currently 'charing' for example. SIB Energy Limited ⁞ Corby ⁞ NN17 5XY Further Support To find out more about how Solar. Giving you free hot water!Check out this device. Solar iboost is an essential addition to any solar pv installation if you also have a conventional immersion heater. 7. The Solar iBoost+ Buddy is a monitoring display and is an optional part of the system. #1. Cost of £11,700 incl. A message on the display details the specific problem:. 52kWp) east facing, 11 x Tigo optimizers & cloud, Growatt. Add the optional iBoost+ Buddy and you. Ideal for customers adding battery storage with a cut-in around the same level as their Solar iBoost. For battery systems with a higher cut-in the Sender 250 is available on line to retro-fit in place of the existing Sender, this cuts-in the Solar iBoost+ at 250W. The other set of tails goes to the house CU which is where most of the house loads are consuming power. We have a dedicated Customer Service team and Technical department for any problems or queries you may have, even after install! Our Services. Solar iBoost is intelligently programmed to detect when a household is exporting power to the grid and using wireless technology it activates the immersion to start heating the water in the tank. Has solar panels installed last week and the iboost+ then made the hot water too hot to touch. The immersions should have thermostat controls but no electronic controls between the Solar iBoost+ and the immersion. This reduces the need to draw additional power from the grid and promotes greater. 6kWp system, 20 x 300W Longi Solar panels with a Solis 6. Price: £95. The system is still working, the solar iboost buddy is registering power usage and excess has been sent to the hot tank, but, the amount of power registered is not. S. A very basic question, is it possible to connect to the iboost ct signal to obtain the export and remove the need for another ct clamp to be fitted to measure export? TIAI am not familiar with the iBoost, but my Immersun plus a CT gave me most, if not all, of the information and facilities of my new Eddi, just a bit noisy because the Immersun was fan cooled. Tel: +44 (0) 1536 201588 Email: [email protected] Mon to Thur 08. There must not be any electronic, relay or contactor switching devices between the Solar iBoost and the immersion. In three phase systems it is very rare that all phases are equally loaded so we recommend that the installer connects the Solar iBoost+, the clamp and immersion to the phase with the lowest load. · Gardez le Buddy à portée de main afin de pouvoir vérifier le voyant indicateur d'énergie intuitif. 6. Roof 28 degrees. With the Sender in hand and batteries fitted stand about 1-2 metres away from the Solar iBoost. When the unit is first supplied, the sender will be pre-paired to the iBoost and not require further action. Hard wire the Solar iBoost+ in accordance with the selected wiring diagram on pages 7-9, noting the warnings on page 8. Replacement provided without fuss. Troubleshoot My Solar iBoost™. Free Hot Water From Your PV Array With Solar iBoost+ The UK's Best Selling PV Accessory. 2. A cold weather alert has been issued for all of England as much of the country braces for snow and icy conditions. Affordable Solar PV Panel Systems, compatible with Social Energy & Agile Octopus. Solar iBoost. 1 March 2022 at 8:48AM in Green & ethical MoneySaving. . Bit of a weird one. Hard wire the Solar iBoost+ in accordance with the selected wiring diagram on pages 7-9, noting the warnings on page 8. This fault can be detected by measuring resistance between the element connections and its casing. Solic200 Controller Data Sheet. Use one Solar iBoost+ on one phase with its own 3kW immersion or resistive load. I think they may work differently. 96kWp South+8 degrees. Divert self-generated power back into your home. 30 to 17. the Solar iBoost+, observing all clearances shown on page 6. Put some distance between other devices and the sender and the problem is likely to be removed. Availability: In Stock - Delivery 1-3 days or collect from near Lewes. A message on the display details the specific problem:. The eco-gauge provides real-time insights into available surplus energy, enabling you to make informed decisions when powering your appliances. Using just a single clamp installed at the household meter, the sender transmits vital export energy information to the Solar iBoost+ wirelessly. Phoned with a problem of a noisy fan in the Iboost and received details via an. Similar to the one in the link below. Its increased efficiency and extra functions deliver even more savings and when coupled with iBoost Buddy you can conveniently monitor and control Solar iBoost+ within the home. As other manufacturers become more aware of the technology, we. Switch on the power supply to the Solar iBoost+ and a short start up procedure runs until Water Heating Off is displayed. The iBoost Buddy is supplied with a power adaptor and connects wirelessly to the Solar iBoost. Great customer service. Solar iBoost should be installed by an electrical. London. For instrustructions on how to install the Solar iBoost + please refer to your installlation manual or visit Mary12345: I received this email from MARLEC which you can read below. the Solar iBoost+, observing all clearances shown on page 6. 3 MHz. You'll need a CT on the cable to the iBoost but it's probably on it's on breaker in the consumer unit. Page 6: Installation. I appear to have 2 problems. The EV charger ramps up to around 5. 6. Het eerste item van onderstaand menu wordt weergegeven (Set Time). Solis inverters, Solar IBoost water heater, Mitsubishi SRK35ZS-S and SRK20ZS-S Wall Mounted Inverter Heat Pumps, ex Nissan Leaf owner) 0. How do I integrate the. Positioning should be convenient for running a cable from a fused spur to the Solar iBoost+ and on to the immersion heater(s). Installer 2: 21 x 340 Piemer panels, 6. All it takes is 2-3 hours of sunshine for the iBoost to heat a tank. 16 Hyundai 400kw all black panels w/ optimisers, 6kw Solaredge HD Wave inverter, Solar Iboost with two immersion heaters on one 240l hw tank. Now that we have a little sun i have noticed a small issue with my iboost and buddy. However, I would like to change the way the system works- specifically, I want my excess generation to go first to my immersion heater, then, when the tank is hot I would like any excess to. Fig 2 Fig 1 Fig 3 Fig 4 Fig 5Sensor for the Net Electricity (instantaneous) used W or KW. Learn how to fix common problems with Solar iBoost™, a device that diverts excess solar energy to the immersion heater. Connection 3. VAT) All Products Energy Storage. Must have happened today or maybe yesterday cos my boy was the last to use the shower yesterday morning and it. 5kw for long enough time each day (minus late Nov - lat Mar) to make it worth it. The Solar iBoost+ works by diverting the surplus solar photovoltaic energy generated. 1,055 likes. Online Shop. You have to do what another well-known make does and use an active switch that works in exactly the opposite sense to the switch that does the chopping, and if the timing goes. Druk op een willekeurige knop op de Solar iBoost+ om de achtergrondverlichting in te schakelen. Solar iBoost Solar Immersion Controller range for sale at finaly made sense for me to buy a Solar IBoost+ due to increasing Gas and Electricity costs. Solar iBoost Fault finding Guide 2. I've just had panels fitted and the installers also fitted a solar iboost, which is apparently for immersion heaters. The iBoost Buddy allows you to use your Solar iBoost with ease: - Connects wirelessly with Solar iBoost+. Our Story . Device to add to your solar PV installation which maximises your use of generated electricity. While the guys was up there, I also got them to replace the non return valve leading to the solar tubes with a spring loaded version instead of a flap version. 2 kw west facing panels , 3. 4kwh system, South facing. Connection 3. 25K views 8 years ago. the Solar iBoost+, observing all clearances shown on page 6. • Reduce the use of your boiler. That will make best use of spare power. Summary of Contents for Marlec Solar iBoost+ Page 1 Troubleshooting Guide 2 This document provides support to installers to trace and resolve issues at the installation stage or during service. < iBoost Sender < Hot Water Tank PV Array Solar iBoost > < Consumer Unit Fused Spur> Inverter > < Electricity Meter With Solar iBoost+ fitted you will • Water is heated during the Cut the cost of water heating in your home. app. Establish a Pairing Between Solar iBoost & the Sender. 85kW. With metered export, it has always made economic sense to export electricity and avoid the iBoost, i. I have recently had a 2. Download. does the screen become fully readable with clarity. 0. SIB Energy Limited ⁞ Corby ⁞ NN17 5XY Further Support To find out more about how Solar. The immersion should be rated ≤ 3kW and it MUST have a built-in thermostat. I am waiting for long T10 scredriver to arrive to open. #1. Only when viewed from about 45 degrees, does the screen become fully readable with clarity. Solar iBoost is the UK’s best selling PV immersion energy diverter with over 44,000 units sold. Giving you free hot water!Check out this device. That said it. So, just set Solis to 'self-use' and disable export power limitation then, when the batteries are fully charged, the Solis will start exporting and the iBoost will kick in and use. Instead of losing this unused energy, you can redirect it to heat water, thus increasing your energy self-consumption. Positioning should be convenient for running a cable from a fused spur to the Solar iBoost+ and on to the immersion heater(s). The boiler allows up to 60degC as infeed and will fire up to heat the water to 60 if it enters at a lower temperature. Mon - Fri 9:00am - 5pm. Fit one Solar iBoost+ onto each phase, each with up to 3kW of load. 58 x2 = 11. I therefore disconnected the immersion from the Solar iBoost and replaced it with a kettle. 0 inverter + Wifi and iBoost. I have just had a new solar system installed and I am having problems with grid issues and the installer is unable to give a solution. Today much better. . 2] Change the timer for your GCH DHW, to the evening, so you are giving the solar pv/iboost a chance to heat the tank during the day. Did fitting a new iboost unit last year cure the problem ? If it did but has gone wrong again then the new unit has probably developed the same fault as the old one. I just installed my 3. leaks from joints and seals. Steady sunshine yesterday and today and noticed that my iboost was sending more to hot water than i was actually producing according to the iboost and my Geo solar display. 2. Flexible & Semi Flexible Solar Panels. This is its default mode of operation and when in this mode and if the water in the tank is not up to the temperature set, it will divert any surplus solar electricity to the immersion heater. Solar iBoost Solar Immersion Controller is available for sale at 4. Northern Lincolnshire. A. Rob_the_rich Sock Muncher. Mine was out of warranty anyway. burning gas on the first hand to produce hot water.