What causes a Lennox rollout switch to trip

the 9204V is optimized for rapid field replacement

or high-efficiency gas furnace

reducing unnecessary downtime for HVAC contractors and facilities managers

preventing voltage leaks and ensuring a consistent spark in high-humidity environments up to 95% RH

Nordyne 626424R Limit Switch What causes a Lennox rolloutThe Nordyne 626424R Limit Switch is a critical safety component designed for high demand HVAC applications. This OEM Nordyne replacement part features a 3 1 8 inch insertion depth and is specifically calibrated for an operating range of 155? F to 175? F. As an automatic reset limit switch, the circuit is engineered to open when the temperature reaches the 175? F threshold and close once it cools back down to 155? F, protecting the heat exchanger from