Heat Controller R68DD0014 Pressure Switch 320734-701 We recommend blowing out the

We recommend blowing out the assembly with compressed air before installation to ensure the natural gas pilot burner is free of internal debris

Universal 24V Compatibility: Designed specifically for 24Vac draft induced systems

Enhanced Durability: Features a high-grade cast iron ASTM A126 Class B body and bronze interior sets to resist wear in water-glycol solutions up to 50%

High-Accuracy IAQ Monitoring: Features a 0-2000 PPM CO2 sensor with an accuracy of ±50 ppm + 2% of measured value for precise ventilation control

and Payne inducer assemblies

Heat Controller R68DD0014 Pressure Switch 320734-701 We recommend blowing out theThe 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