Modine 5H0730350000 Fan Relay (Replaces 5H73035)
An OEM Modine fan relay used in Modine HVAC equipment to control blower/fan operation as part of the unit's control sequence when the correct replacement relay is required.
Key Features
- Official OEM Fan Relay for Modine HVAC equipment
- Product type: Relay
- Replaces: 5H73035
Compatibility & Applications
- Listed for Modine HVAC equipment (compatibility must be confirmed using the unit's full model/serial and the manufacturer-specified replacement part number).
- Must only be used where the manufacturer specifies this exact part number: 5H0730350000.
Installation & Operation Notes
- Installation should be performed by a qualified service agency / HVAC technician. Modine states a qualified service agency must perform all service and installation of Modine products.
- Reference the specific unit's installation and service manual (Modine directs users to its Product Literature Library/Technical Support resources for manuals and guidance).
- Verify wiring/terminal placement against the unit wiring diagram and perform a proper operational checkout after replacement.
Maintenance & Troubleshooting
- Customer feedback ties replacement to common symptoms such as: the heater ignites but the fan won't come on, and the burner then shuts off shortly after ignition. Replacing the fan relay resolved these issues in reported cases.
- If the problem persists after replacement, follow the unit's troubleshooting process to confirm related components and controls (e.g., control board, transformer/24V supply, limit/safety devices) rather than assuming the relay is the only cause.
User Reviews & Q&A Summary
- Review themes commonly describe it as a direct-fit, genuine Modine part that fixes fan-not-running issues and restores normal heater operation.
- Many reviewers mention easy installation (often described as a quick swap) and highlight successful repairs on older garage/unit heaters.
- Purchasing themes frequently note fast shipping and good service support.