5-inch diameter fan assemblies

this switch prevents the system from operating under unsafe conditions such as flue obstructions or mechanical blower failure

High-Temperature Durability: Engineered with composite materials designed to withstand cyclical thermal stress and acidic condensate exposure

double-break contacts for simplified installation and field troubleshooting

For contractors performing maintenance on Carrier commercial HVAC systems

Heat Controller R68DD0014 Pressure Switch Els PW 29614 5-inch diameter fan assembliesThe Heat Controller R68DD0014 Pressure Switch is a critical safety and operational component designed for negative pressure monitoring in residential and light commercial HVAC systems. Calibrated to a precise . 2" WC (Water Column) set point, this diaphragm actuated switch ensures the draft inducer is venting combustion gases effectively before allowing the ignition sequence to proceed. Engineered for compatibility with Comfort Aire, Century, and