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