Watts 0121513 Valve Els PW 29614 This model features dual internal

This model features dual internal auxiliary switches (2 SPDT) for end-stop signaling and interfacing with secondary equipment

Simplified Wiring: Removable terminal blocks accommodate 18 to 22 AWG wire

While the dimensions and 3/4" NPT connections remain identical for an easy swap

this unit provides reliable mechanical failsafe operation for Erie Classic G and L dampers

As a critical Source 1 York replacement part

Watts 0121513 Valve Els PW 29614 This model features dual internalThe Watts 0121513 is a high capacity LF174A 1 1 4 50 boiler pressure relief valve specifically engineered for hot water heating systems and domestic supply boilers. Built with a lead free copper silicon alloy body, this valve is designed to protect against excessive pressure by providing a high volume emergency discharge reaching 2,459,000 BTU hr. It features 1 1 4 inch NPT threaded female inlet and outlet connections, housing a stainless steel spring