Nordyne 632657 Pressure Switch R-407C replacing a larger motor with

replacing a larger motor with a 1/6 HP motor will lead to premature failure and insufficient airflow

using this HVAC blower shaft ensures compatibility with existing pulleys and fan wheels

ensuring structural integrity under the constant thermal stress of a continuous pilot flame

OEM Compatibility: Exact replacement for Nordyne 621678R

Nordyne 632657 Pressure Switch R-407C replacing a larger motor withThe Nordyne 632657 Pressure Switch is a critical safety and operational component designed for Nordyne HVAC systems including Miller, Intertherm, and Frigidaire brands. As a technician, you know that a failed furnace pressure switch often results in a lockout by preventing the inducer motor from completing the safety circuit. This genuine OEM replacement is factory calibrated to specific Pascal or inches of water column requirements to ensure the