Armstrong Furnace 20274507 Pressure Switch 321894-706 this is a 120V primary

this is a 120V primary transformer

the T22BBC-1 must be installed in a vertical wall mount position using a standard 2x3 inch outlet box

Designed to be installed directly within the service compartment of a condensing unit

Common diagnostic indicators include a glowing igniter with no flame ignition

This valve is essential for restoring factory-spec performance in aging Bard HVAC units where head pressure fluctuations or erratic cooling are present due to metering failure

Armstrong Furnace 20274507 Pressure Switch 321894-706 this is a 120V primaryThe 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