Watts 0556003 Valve Technicians should perform a continuity

Technicians should perform a continuity test using a multimeter

Designed for heavy-duty pneumatic systems

Which systems are compatible with this spline wrench

always cross-reference your model and serial number before installation

Common Questions: Is this indicator compatible with R-410A

Watts 0556003 Valve Technicians should perform a continuityInstall the Watts 0556003 (Series LF100XL) for reliable protection on water heaters and hot water storage tanks. This lead free 3 4" T&P relief valve is engineered to automatically discharge water if system temperatures reach 210F or if internal pressure exceeds 150 PSI. Designed as a direct updated replacement for legacy models 0066133 and LFL100XL 150 3 4, this unit features a lead free copper silicon alloy body and a 3 inch extension thermostat.