Draught Proofing. This energy-saving pool heater will heat your pool water efficiently with solar energy and therefore extend your swimming season. No gas or electricity is required. The legs allow you to angle the heater towards the sun.
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Solar Water Heater Water Solar Heater Non-pressure Solar Water Heater with Assistant tank
Aliexpress UK
Wall Mounted Personal Space Heater: This 800 watt energy-saving wall mounted heater is directly inserted into the wall, which does not take up space at all, transforming any cold space into a warm and comfortable space.
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Brass Air Vent Valve Automatic Air Pressure Vent Valve for Solar Water Heater Pressure Relief Value Hardware Tools
Aliexpress UK
Lightweight & Portable, easily move to where you need it. Direct, radiant infrared heat.
eBay
Water heater solar 200L solar water heater
Aliexpress UK
PERFECT FOR TRAVEL: In addition to its charging capabilities, this solar panel heater can also provide warmth while camping outdoors or travelling in an RV. STABLE AND PORTABLE: The solar panel is made of monocrystalline silicon PET, which shows stability and durability even in harsh weather conditions, making it perfect for outdoor activities.
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Heater 12v/24v/36v/48v Immersion Tubular Water Heating Element Heater DN25 Thread Solar Water Heater Resistance
Aliexpress UK
[POWERFUL COOLING AND HEATING] With EcoFlow's tailor-made compressor, this device can drop the temperature by 10℃ in 5 minutes in cooling mode (5100BTU) and raise the temperature by 10℃ in 5 minutes in heating mode (6100BTU).
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1pcs DN15 water heater air solar system G1/2' NC 12v 24v 220v Brass electric solenoid valve coil Control external screw thread
Aliexpress UK
Another idea was to sandwich it between 2 ally plates about 8mm which could also be a solar or wind dump load. it can be used without a fan but it will glow red hot which alters it,s resistance and reduces it,s output.
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6-32MM Rubber Sponge Tube Air Conditioner Solar Water Heater Water Pipe Sleeve 1.8m Thermal Insulation Thermal Insulation Pipe
Aliexpress UK
Never used. Box opened to check contents. Grab a quick bargain !
eBay
G1/2'' Brass electric solenoid valve N/C 12v 24v 220v G3/4'' Water Air Inlet Flow Switch for solar water heater valve
Aliexpress UK
Combined by 2pcs individual high-efficient mono crystalline silicon solar panels;. Isle of Wight: PO30-PO41. Independent Off-Grid Solar Power Source. 1x Solar Panel. Short Circuit Current: 1.78A. Due to different monitors and light,the picture may not reflect the actual color of the item.
eBay
12V 24V Blower Motor For Parking Heater For Eberspacher 2KW 5KW Big Leaf Assembly Combustion Air Fan Car Air Heater Accessories
Aliexpress UK