Carrier HH18HA495 Limit Switch Common Questions & Technical Support

Common Questions & Technical Support Is the VR8345M4302 compatible with LP gas out of the box

which matches the 1/4 inch length and 9/16 inch outer diameter profiles of original equipment

If it remains open

Is the 100208087 a direct replacement for my older GKT2012 gasket

Carrier HH18HA495 Limit Switch Common Questions & Technical SupportThe Carrier HH18HA495 Limit Switch is a critical safety component designed for precise thermal monitoring in high efficiency gas furnaces. As a genuine OEM flame rollout switch, it is factory calibrated to an opening temperature of 350F. When a rollout condition occurswhere flames deviate from the heat exchanger and reach the burner vestibulethis switch interrupts the power to the gas valve, preventing equipment damage and hazardous operating