Lennox 71J07 Limit Switch When addressing intermittent pilot failures

When addressing intermittent pilot failures or updating HVAC standing pilot assemblies

this OEM component ensures the 3/8-inch flanged mounting matches the factory airstream insertion depth

Always verify output voltage at the connector before installing to prevent immediate burnout

furnace short cycling or a 6-flash error code on the integrated furnace control (IFC) often points directly to a fouled or failing HVAC flame probe

5 Regulator is a rubber seat poppet model engineered for high-precision control in main burner and pilot load applications

Lennox 71J07 Limit Switch When addressing intermittent pilot failuresThe Lennox 71J07 Limit Switch is a high precision, normally closed safety component designed for critical temperature regulation in heating systems. Engineered by Therm O Disc (Model 36TX11, 36T series), this disc style limit switch features an automatic reset function that ensures seamless system recovery once temperatures stabilize. With an open temperature threshold of 175F and a close temperature of 155F, this L175 20 limit switch effectively