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the 100326985 serves as a critical HVAC replacement part to resolve "flame failure" lockouts and ignition failure codes
This outdoor temperature sensor features 35-foot leads
including 3508731
B) correspond directly to the lettered and numbered terminals on original RLY02807 and RLY02257 boards
Weil McLain 510-312-167 Transformer Els PW 17895 the 100326985 serves as aThe Weil McLain 510 312 167 is a mission critical combination transformer and DPST relay assembly designed for seamless integration into Weil McLain boiler control circuits. This factory spec component serves as a robust 120 24 volt step down transformer, providing a consistent 40 VA power rating to drive low voltage ignition systems, zone valves, and auxiliary controls. Engineered for high demand hydronic environments, the 510 312 167 relay assembly
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