Lochinvar & A.O. Smith 100208509 Power Relay 30067439-890 this mechanical temperature switch is

this mechanical temperature switch is rated for dual voltage

How do I troubleshoot a zone not heating

and wheels must be sourced separately or transferred from the existing assembly if they remain within spec

often due to a dirty air filter

This specific model is designed for two-pipe steam and hydronic systems

Lochinvar & A.O. Smith 100208509 Power Relay 30067439-890 this mechanical temperature switch isThe Lochinvar & A. O. Smith 100208509 Power Relay is a heavy duty 120V HVAC replacement relay engineered for high demand switching in commercial boilers and water heating systems. This OEM power relay functions as a critical control interface, managing the distribution of 120VAC line voltage to essential components such as circulator pumps, air blowers, and high limit safety circuits. Rated at 10. 8 Amps and 60 Hz, this component is designed for