Integrating this genuine NuTone replacement part ensures the drive system maintains the original static pressure rating

reducing downtime during critical boiler maintenance

double-break contacts for simplified installation and field troubleshooting

maintaining the precise air-to-fuel ratio necessary for optimal thermal efficiency

For contractors performing maintenance on Carrier commercial HVAC systems

Heat Controller R68DD0014 Pressure Switch Els PW 29614 Integrating this genuine NuTone replacementThe 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