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

Designed as a direct replacement for existing PopTop series installations

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

a new seat is required to restore the seal

allowing the system to resume normal operation without manual intervention

Weil McLain 510-312-167 Transformer 30067439-890 The CNT4364 is specifically designedThe 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