This component is the direct replacement for S1-024-21671-002

Common Questions Can I use a single dry contact to trigger multiple RIB21CDC relays

Enhanced Thermal Safety: Rated at 160°C to accurately monitor combustion chamber temperatures and prevent vapor ignition risks

Durable Construction: Built to withstand rigorous operational demands in various commercial and industrial environments

Industrial-Grade Shielding: Protects against electromagnetic interference (EMI) common in mechanical rooms

Utica-Dunkirk 240009793 Pressure Switch 320720-756 This component is the directThe Utica Dunkirk 240009793 Pressure Switch is a critical OEM furnace replacement part designed for specific ECR International heating systems, including Dunkirk, Pennco, and Utica Boiler models. This 0. 50" WC pressure switch acts as a primary safety mechanism, monitoring the draft inducer motor to verify adequate negative pressure and airflow before allowing the ignition sequence to proceed. As a veteran grade HVAC safety control, it replaces worn