Carrier HH18HA420 Limit Switch 320735-701 Johnson Controls P20DA-31 Air Conditioning

Johnson Controls P20DA-31 Air Conditioning Pressure Control

this is a 1Ph motor

using this OEM Carrier motor ensures the correct RPM and amperage draw

This motor is critical for maintaining the proper draft required to satisfy safety circuits and prevent soot buildup on the burner assembly

As long as the combustion byproducts do not contain chemicals that degrade silicone

Carrier HH18HA420 Limit Switch 320735-701 Johnson Controls P20DA-31 Air ConditioningThe Carrier HH18HA420 Auto Limit Switch is a critical HVAC safety device designed to monitor internal furnace temperatures and protect the heat exchanger from thermal stress. This OEM Carrier replacement part operates with a fixed 90 120F temperature range, ensuring the burner cycles off if the unit exceeds safe operating parameters. As a precision calibrated 90 120 degree limit switch, it features an automatic reset function that restores continuity