preventing the formation of hydrofluoric and hydrochloric acids

using a unit heater fan guard that exactly matches original equipment dimensions is essential for maintaining both OSHA compliance and system efficiency

3-inch width

Built with corrosion-resistant inner and outer stainless steel cores

this poppet-style regulator is suitable for natural

Lennox 56W25 Limit Switch 320788-704 preventing the formation of hydrofluoricThe Lennox 56W25 Limit Switch is a critical OEM replacement part designed for high limit temperature monitoring in Lennox, Armstrong, and Ducane furnace assemblies. This normally closed safety component features a 3 inch insert length and operates on an automatic reset logic, ensuring the system remains protected without requiring manual intervention after a thermal event. It is engineered with a precise 250F cut out (open) temperature and a 220F cut