Standardized Frame: Features a 48 NEMA frame size and 1/2" diameter shaft for industry-standard fan blade matching

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

Built with Class B insulation and operating at a standard 60 Hz frequency

Operating on a 24Vac motorized actuator

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

Nordyne 632554R Pressure Switch 324846-701 Standardized Frame: Features a 48The 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.