Common Questions: When should I replace the valve packing

The Maxitrol R9110-515 is a professional-grade 5-15" WC green spring engineered to provide accurate pressure regulation in systems requiring mid-to-high water column settings

The combination of copper and nickel alloy leads provides superior electrical conductivity while minimizing resistance

Does this work with propane (LP)

Lennox 27K79 Limit Common Questions: When should IThe Lennox 27K79 175F Limit is a critical safety component designed for precise thermal regulation within the furnace plenum. As a primary high limit control, this genuine OEM replacement part is engineered to interrupt the electrical circuit to the gas valve if internal temperatures exceed the 175F threshold, effectively preventing heat exchanger damage and ensuring system safety. This furnace high limit switch features an automatic reset mechanism