Description
Modine 5H0735910003 — .66″ WC SPST Pressure Switch
The Modine 5H0735910003 is a Single-Pole Single-Throw (SPST) pressure switch engineered to deliver dependable pressure sensing and safety control in heating and HVAC equipment. With a calibrated setpoint of 0.66″ water column (WC), this OEM replacement switch is designed to integrate seamlessly with Modine heating systems, ensuring accurate pressure monitoring and reliable circuit switching.
Key Features
- OEM Modine replacement pressure switch — part number 5H0735910003
- Calibrated setpoint of 0.66″ WC (water column) for precise pressure detection
- SPST (Single-Pole Single-Throw) switching configuration
- Designed for use in Modine heating and HVAC equipment applications
- Provides safety interlock protection by monitoring system pressure
- Direct OEM replacement for straightforward installation
Application
Pressure switches like the Modine 5H0735910003 are critical safety components in heating systems. They monitor air or gas pressure within the system and open or close the circuit in response to pressure changes, protecting equipment from operating under unsafe conditions. The 0.66″ WC setpoint makes this switch suitable for low-pressure differential applications commonly found in Modine unit heaters and related HVAC equipment.
Why Choose an OEM Replacement?
- Guaranteed fit and compatibility with Modine equipment
- Maintains original equipment performance and safety standards
- Simplifies installation — no modifications required
- Supports long-term reliability and system uptime







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