Description
The Nordyne 632595 is a dual-setpoint pressure switch engineered as a direct OEM replacement for compatible Nordyne heating systems. Pressure switches are a critical safety component in gas furnaces, monitoring the negative pressure (draft) created by the inducer blower to confirm proper venting before allowing ignition to proceed.
Product Overview
This pressure switch features two setpoints — -0.65″ W.C. and -0.28″ W.C. — allowing it to serve dual-stage or multi-function draft-sensing applications. When the inducer motor fails to establish the correct pressure differential, this switch prevents the gas valve from opening, protecting against unsafe furnace operation and potential flue gas spillage.
Key Features
- Dual setpoint design: -0.65″ W.C. and -0.28″ W.C.
- Direct OEM replacement for compatible Nordyne furnace models
- Monitors inducer blower draft pressure for safe ignition sequencing
- Prevents gas valve operation if proper draft is not established
- Designed for reliable, long-term performance in residential heating applications
Application
- Compatible with select Nordyne gas furnace models
- Suitable for use in induced-draft and condensing furnace configurations
- Intended as a direct OEM replacement part — verify compatibility with your specific model before installation
Installation Notes
Always verify the correct setpoint and hose port configuration before installation. Consult the furnace wiring diagram and service manual to confirm proper connection of the pressure switch tubing and electrical terminals. This part should be installed by a qualified HVAC technician.
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