Armstrong Furnace 20274507 Pressure Switch 321894-706 the T22BBC-1 must be installed

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

This Complete Linkage Kit is specifically designed for 2 1/2" to 4" VB-9XXX series valve bodies

Common Questions: What is the maximum current rating for the contacts

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 the T22BBC-1 must be installedThe 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