Camco Temperature & Pressure Relief Valve - 1/2" Valve w/4" Probe. All valves are factory set at 150 PSI and are crafted with no gaskets and epoxy-coated probes to prevent corrosion buildup. Specifications for Camco Temperature & Pressure Relief Valve: Manufacturer: Camco Color: Black Package Contents: Camco Temperature & Pressure Relief Valve Camco 10423: Temperature & Pressure Relief Valve - 1/2" Valve w/4" Probe