Nordyne 632614 Pressure Switch 318973-401 this hot surface ignitor (HSI)

this hot surface ignitor (HSI) offers significant durability advantages over traditional silicon carbide elements

offering a reliable solution for technicians maintaining 15-ton cooling circuits

Does this model feature a bypass for reverse cycle operation

verify your specific parts manual for cross-reference

Nordyne 632614 Pressure Switch 318973-401 this hot surface ignitor (HSI)The Nordyne 632614 Pressure Switch is a critical safety component designed for high efficiency gas furnaces and packaged units. This dual pressure switch features precise setpoints of 0. 40" 0. 70" PF, monitoring the pressure differential across the heat exchanger and inducer motor to ensure proper venting. As the direct replacement for Nordyne 632614R, this OEM part utilizes a Normally Open (NO) configuration, closing only when the inducer achieves