... heater, E-Parts box, thermostat, Switch, Anode magnesium bar, T/P valve, Relief valve Working Pressure ≥ 6 bar Hail Resistance ... system, accessories and interconnecting pieces. Heat Pipe Solar Collector:1) Heat pipe solar collector for thermal collection, with a very quick ... protect storage tank and copper coil from water scale effectively3) T/P valve, Stainless bolts & nuts, anti-aging rubber seal ...