Lochinvar & A.O. Smith 100208511 Prepurge Relay 30067439-890 If your current setup requires

If your current setup requires a side or bottom mount

Key Benefits Direct OEM Compatibility: Engineered for a perfect fit

and PTS series units

this unit features a single-pole double-throw (SPDT) snap-action switch

it must be paired with an AH-series high-temperature actuator to ensure the internal components and the actuator motor handle the thermal load

Lochinvar & A.O. Smith 100208511 Prepurge Relay 30067439-890 If your current setup requiresThe Lochinvar & A. O. Smith 100208511 Prepurge Relay is a mission critical 24VAC control component engineered for high efficiency gas fired boilers and commercial water heaters. This relay is essential for managing the initial combustion system pre purge cycle, ensuring that any residual unburned fuel is safely cleared from the combustion chamber before the ignition sequence begins. Designed with 10 Amp contact ratings at 50 60Hz, the 100208511