Lochinvar & A.O. Smith 100288473 Transformer 319848-301 Replacing the filter housing O-ring

Replacing the filter housing O-ring during every element change is a standard service best practice to prevent compression set failure and ensure the system maintains ISO 8573-1 air quality standards without interruption

This ASCO RedHat II series valve is rated for pressures up to 150 PSI for air and 125 PSI for water or light oil

This 41-204 igniter is a direct replacement for Norton 271N

the assembly utilizes PTFE with Hypalon glass seals and braided PTFE with Aramid stem packing to ensure a leak-proof seal against aggressive fluids

Automatic Reset Functionality: Restores circuit continuity automatically once temperatures return to safe levels

Lochinvar & A.O. Smith 100288473 Transformer 319848-301 Replacing the filter housing O-ringThe Lochinvar & A. O. Smith 100288473 Transformer is a heavy duty, 100VA step down component engineered for commercial and industrial HVACR applications. Designed to convert 120V primary line voltage to a stable 24V secondary output, this transformer provides the high amperage capacity required to power complex control strings, multiple contactors, and high draw smart thermostats without inductive voltage sag. This OEM part is a direct replacement for