Direct OEM replacement ensures exact mounting and terminal alignment for faster field installations

The CNT4364 is specifically designed for residential packaged heat pumps with two coils (such as 2WC*

including the cadmium-colored spring for specific psi settings

the "HH" style core version is often preferred by technicians for higher acid and wax removal

Weil McLain 510-312-167 Transformer 30067439-890 Direct OEM replacement ensures exactThe 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