Carrier HH18HC350 Rollout Switch 318423-701 This OEM Johnson Controls part

This OEM Johnson Controls part replaces worn or fatigued springs that cause hysteresis or failure to reach full stroke

and filter monitoring where reliable electrical switching at specific set points is critical for system safety

allowing for serviceability and voltage adaptation if the application requirements change

This direct replacement motor superseded models 0131P00029 and 0131P00029S

Typical indicators include internal leakage (the valve does not shut off completely)

Carrier HH18HC350 Rollout Switch 318423-701 This OEM Johnson Controls partThe Carrier HH18HC350 Rollout Switch is a critical safety component designed for high temperature monitoring in select Carrier, Bryant, and Payne gas fired furnaces and packaged RTU systems. This OEM flame rollout switch features a 350 degrees F fixed setpoint and a Single Pole Double Throw (SPDT) configuration. In the event of a "rollout" where flames escape the combustion chamber, the thermal sensitive coil triggers the manual reset rollout switch