Nordyne 632554R Pressure Switch 318172-701 Key Benefits Direct Drop-In Compatibility:

Key Benefits Direct Drop-In Compatibility: Serves as the official replacement for legacy models 0431305 and 0431311

wide viewing area for accurate fluid level verification

This aluminized steel cell kit is critical for restoring thermal transfer efficiency and ensuring safe combustion byproduct venting in 40-inch tall furnace cabinets

The Honeywell Analytics E3SM Gas Detector is a high-performance

OEM Compatibility: Exact fit for Lennox

Nordyne 632554R Pressure Switch 318172-701 Key Benefits Direct Drop-In Compatibility:The 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.