Utica-Dunkirk 18682 Pressure Switch 320074-702 this assembly is a preferred

this assembly is a preferred choice for contractors requiring a VG7000 series assembly that balances durability with high flow capacity for demanding mechanical room environments

Always verify your original part number or the rating on the existing switch before installation

Is this relay compatible with non-Copeland compressors

it must be paired with the 7

depending on the specific furnace orientation (upflow

Utica-Dunkirk 18682 Pressure Switch 320074-702 this assembly is a preferredThe Utica Dunkirk 18682 Pressure Switch is a critical safety component engineered for precise combustion air proving in high efficiency boilers and furnaces. Rated at . 60" WC (Water Column), this normally open (NO) switch is factory calibrated to ensure the inducer fan generates sufficient static pressure before allowing the ignition sequence to proceed. As a veteran technician knows, maintaining the correct differential pressure is non negotiable