... ;duplex 2205 PHNIX split pressurized solar water heater & This solar water heater is split\separated solar water system, with high working ... * Couple with boiler, electric heater, heat pump or solar heating system* Separated tank is especially suitable for water ... this way, service life is extended. PHNIX split pressurized solar water heater: cost effective and economicalSolar water heaters lower the ...