Modine 5H0730570003 200°F Manual Reset Blocked Vent Safety Switch

The Modine 5H0730570003 is a 200°F manual reset blocked vent safety switch designed for use in Modine gas-fired unit heaters. This critical safety component monitors the vent system and automatically shuts down the heater if dangerous flue gases are detected due to a blocked or restricted vent condition.

Key Features:

• 200°F temperature activation point for reliable safety protection
• Manual reset design requires physical intervention to restart after activation, ensuring the issue is addressed before operation resumes
• Genuine OEM Modine replacement part for proper fit and function
• Prevents dangerous flue gas spillage into heated spaces
• Compatible with various Modine gravity vent and power vented unit heater models

This blocked vent switch is a critical safety device that protects against improper venting conditions. When the switch activates due to excessive temperature from a blocked vent, it must be manually reset after the vent blockage is cleared and normal operation is restored. Installation should be performed by a qualified HVAC technician in accordance with manufacturer specifications and local codes.