... water heater system can endure the Max pressure up to 0.6MPa, as the system is pressurized, so it can keep a constant temperature ... wind.can be combined with existing energy source, such as gas water heater, electric water heater , boiler , etc. Item for rules1Moq is 50sets for 20 ... CNF.3 Payment:100%byTT, 30% as deposit , and the balance of 70% seeing BLcopy.4 packing:out of foam and ...