this SPDT limit control features an automatic reset function that ensures the system returns to normal operation once temperatures stabilize within the safe functional window

Is this compatible with 80% AFUE models

Seamless Installation: Features a fixed hub design for secure attachment to the motor shaft without the need for additional specialized adapters

or high discharge temperatures

this valve is engineered for natural gas standing pilot systems

Armstrong Furnace 20274507 Pressure Switch 328140-751 this SPDT limit control featuresThe Armstrong Furnace 20274507 Pressure Switch is a high performance, OEM replacement part specifically engineered for HVAC systems operating in elevated environments. This high altitude pressure switch is a critical safety component designed to monitor and regulate internal air pressure, ensuring that your furnace operates within its designated airflow parameters to prevent hazardous exhaust buildup. By accurately sensing atmospheric changes, it