This 24V microprocessor-based unit is engineered for precise ignition sequencing

as well as an additional level of protection against corrosion

Technicians recommend replacement if the valve is dripping constantly

The 801111316 features two 1/8" NPT inlets

Built with a rugged construction for high-cycle reliability

Carrier HH680351 Switch Els PW 29614 This 24V microprocessor-based unit isThe Carrier HH680351 Switch is a high limit safety component engineered for precision temperature monitoring in residential and light commercial HVAC systems. This OEM limit switch functions as a critical safety cutoff, featuring a factory set 220 degree open threshold and a 20 degree differential for a consistent 200 degree reset point. Designed specifically for high heat heat exchanger applications, this SPST furnace limit switch ensures system