250 BTU/hr)

as this can "poison" the sensing element

The Trane TRR1581 is rated for 200-230V primary power

Safety Integration: Minimizes risks associated with pilot outages and unburned gas accumulation

Check your transformer output before installation

National Comfort Products 14262041 Circuit Board 321042-401 250 BTU/hr)The National Comfort Products 14262041 Circuit Board is a critical OEM replacement part engineered for precise electric heat sequencing control in thru the wall HVAC units and air handlers. Designed to manage the staged activation of heating elements, this sequencer control board prevents excessive amperage draws on startup and ensures balanced thermal output throughout the heating cycle. As a direct fit HVAC control board, the 14262041 maintains the