Modine OEM Pressure Switch — 0.63″ WC
The Modine 5H0794410003 is a factory-replacement pressure switch engineered to maintain safe and efficient operation in Modine heating equipment. Rated at 0.63″ water column (WC), this switch monitors combustion air pressure to verify that the inducer motor is operating correctly before allowing the burner to ignite — a critical safety function in modern gas-fired heating systems.
Key Features
- OEM Modine replacement part — ensures proper fit and function
- Set point: 0.63″ water column (WC)
- Monitors inducer/draft pressure for safe burner ignition sequencing
- Helps prevent unsafe operation if venting or combustion air is compromised
- Direct drop-in replacement for compatible Modine heating units
Application
This pressure switch is designed for use in Modine gas-fired unit heaters and related heating equipment. It works in conjunction with the draft inducer blower to confirm adequate airflow through the heat exchanger and venting system. If pressure falls outside the rated threshold, the switch opens the control circuit, shutting down the burner to protect the equipment and occupants.
Why Choose OEM Parts?
Using genuine Modine OEM replacement components helps preserve equipment warranty, ensures compatibility, and delivers the performance reliability your system was designed for. Always verify your unit’s model and part number before ordering.
