Carrier HH18HA119 Limit Switch 318518-761 including the CB29M

including the CB29M

and Keeprite furnaces

which is ideal for quick field replacements where brazing may be restricted or inconvenient

For technicians managing pneumatic valve actuators

Manual Reset Safety: Forces an inspection of the furnace to identify the root cause of overheating

Carrier HH18HA119 Limit Switch 318518-761 including the CB29MThe Carrier HH18HA119 is a critical safety component designed for precise thermal monitoring in high efficiency furnaces and air handlers. Engineered as a 125 35F limit switch, this bi metal snap disc functions as a formal high limit control to prevent heat exchanger damage or hazardous operating conditions. With an opening set point of 125F and a 35F differential for reset, the HH18HA119 ensures the blower assembly and burner sequence maintain safe