Pay in 4 interest-free payments of $28.40 Learn more
Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
this limit control integrates seamlessly into the furnace’s formal safety string
Simplified Installation: Integrated mounting plate and 1/4" OD sizing allow for rapid field deployment and secure 4-screw mounting
The Modine 5H0730570003 Blocked Vent Switch is a critical safety component engineered to monitor flue gas temperatures and prevent hazardous operating conditions
it is an OEM-level replacement for Lennox part numbers 78B72
A tripped manual reset switch will show an open circuit until the reset button is depressed
McDonnell & Miller 324500 O-Ring this limit control integrates seamlesslyMaintain precise system pressure and eliminate leak paths with the McDonnell & Miller 324500 Tetraseal O Ring. This pack of five high performance seals is the engineered replacement for the discontinued 324435 part number, ensuring a direct fit without the need for field modifications. Designed as a critical boiler control replacement part, these o rings are specifically optimized for low water cut off (LWCO) and mechanical water feeder assemblies.