eliminating the need for field modifications during service calls

Common Questions Can I use the Lennox 10G19 for a single-phase application

High Thermal Stability: Class H insulation (IEC 85) rated for peak temperatures

Is the 664865CCR a direct replacement for the 664865 and 664865R

How do I size this valve for a boiler replacement

Lennox 71W49 Rollout Switch 324846-701 eliminating the need for fieldThe Lennox 71W49 Rollout Switch is a critical safety component designed for high temperature detection within the burner vestibule of Lennox gas furnaces. This manual reset rollout switch features an SPST (Single Pole Single Throw) configuration and is calibrated to open at a fixed temperature of 210 degrees Fahrenheit. Engineered as a direct replacement part, the 71W49 monitors for flame rollout conditionsoften caused by cracked heat exchangers or