These water heating systems are made in Turkey and the warranty on the units is not very good.
This brand is a part of BDR THERMEA and is available in the U.K. The SOLARFLO systems are available with either flat plate or evacuated tube collectors. They have durable stainless steel heating coils and a good guarantee on the panels but not the complete system.
The Cirrex solar electric system is a closed loop active system from one of the leading water heater manufacturers. The systems are available in sixteen different configurations to suit just about any need. They use Chromagen flat plate collectors and basic tank technology with a sacrificial anode for corrosion protection. The warranty is very complicated and the guarantee on parts (except for the storage tank and panels) is not as good as many other brands.
These systems are made in Germany and sold throughout Europe. The COMPACT system is available in four sizes and is for domestic hot water production. The PREMIUM package is available in five sizes and is designed to produce domestic hot water and to supplement a central heating system. The manufacturer's website is not much help and does not have a stated warranty policy.
These systems are made in Spain and sold in Europe. They offer systems in three sizes (150, 200, 300 liters) with an optional backup immersion element and thermostat.
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The SOLERIO systems are available with either 300 or 400 liter tanks. They use basic glass lined technology but have longer lasting ohmic magnesium anodes.
The SOLARFLO systems use adjustable differential temperature regulation to maximize your solar savings. The collector kits are available for integrating into the roof, mounting on a sloped roof, mounting on a flat roof, and in evacuated tubes instead of flat plate collectors. The systems are backed by a very good guarantee.
These water heaters are available in Europe, China, and South America. The FKB-SOL systems use flat plate collectors and are available in five sizes. Their website is not much help and does not have a stated warranty policy.
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