Heat Controller R68DD0014 Pressure Switch 320734-701 allowing the system to safely

allowing the system to safely re-engage once temperatures drop to 130°F

reducing runout and protecting internal bearings

and Payne inducer assemblies

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

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%

Heat Controller R68DD0014 Pressure Switch 320734-701 allowing the system to safelyThe 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