You can manually adjust the mechanical termination from 6 to 106 minutes in one-minute increments by positioning the trippers at the desired intervals

Replacing a pitted or oxidized Lennox 49M85 ignitor electrode prevents common ignition failures and "No Heat" lockouts

Always verify the insertion depth and nut length (standard vs

Typical culprits include voltage surges

Manual Override Capability: The tactical Auto/Manual switch ensures system functionality can be maintained or tested without requiring active electrical signals

Carrier HH18HV110 Limit Switch 323269-701 You can manually adjust theThe Carrier HH18HV110 is a high precision HVAC temperature limit switch designed for critical thermal protection in heating applications. This SPDT limit switch operates on an automatic reset logic, featuring a specific temperature range: it is engineered to open at 110F and close at 90F. As a genuine OEM Carrier part, the HH18HV110 ensures exact electrical matching for furnace and air handler control circuits, effectively preventing heat exchanger