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Common Questions Why does my Reznor heater keep tripping the 136736 manual reset limit switch
these part numbers refer to the same Honeywell panel mounting board and are functionally interchangeable
always verify with the manufacturer
How do I know if the spring needs to be replaced
the 17-402 series is specifically engineered for hot water pressure relief
Lennox 76F73 Relay Common Questions Why does myThe Lennox 76F73 Relay is a heavy duty, stacked DPST Heat Sequential Relay designed for precise load management in residential and commercial electric furnaces. As a high performance HVAC sequencer replacement, this 240V component ensures the staggered activation of heating elements, preventing excessive inrush current that can trip breakers or damage sensitive control boards. Operating as a normally open relay, the 76F73 is engineered for high cycle