Improper installation or failure to follow manufacturer instructions may result in fire

reducing repeated clicking and potential gas buildup

The Lennox 15M45 Rollout Switch is a critical safety component designed to break the circuit when it detects flame rollout or excessive heat buildup near the burner box

Attempting to use this on an R-410A system will result in improper refrigerant flow and likely system failure due to the different pressure requirements of the refrigerants

or steam blowing through the return lines

York S1-029-20099-000 Tube 322838-754 Improper installation or failure toEnsure reliable ignition sequencing across your burner manifold with the York S1 029 20099 000 Carryover Tube. As an essential OEM gas furnace part, this crossover runner is engineered specifically for York 180 300K BTU burners, facilitating the seamless transfer of the pilot flame to ensure all burner sections ignite simultaneously. Field technicians recognize this as a critical component in preventing delayed ignition and combustion rumble, common