requiring no external power supply

Dual Compatibility: Fully interchangeable with the Honeywell 4074EHG/U for streamlined inventory management

the precision of the spark gap and the integrity of the dielectric strength are paramount for preventing ignition failure codes and ensuring consistent combustion cycles

Operating on a 24Vac motorized actuator

Nordyne 632554R Pressure Switch 324846-701 requiring no external power supplyThe Nordyne 632554R Pressure Switch is an essential safety component engineered for high efficiency dual stage furnaces and HVAC systems. This OEM replacement part features a 1. 60" WC high fire set point and a 0. 80" WC low fire set point, ensuring precise monitoring of combustion air and inducer motor performance. As a SPDT dual pressure switch, it utilizes a 1 4" NPT connection to maintain a vacuum sealed safety loop during both heating cycles.