Utica-Dunkirk 18682 Pressure Switch 320074-702 it must be paired with

it must be paired with the 7

making it an essential part for field repairs where reliability and rapid response times are critical

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

Key Benefits Enhanced Safety: Provides a hard-stop safety cutoff at 150°F to protect the heat exchanger and surrounding structures

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

Utica-Dunkirk 18682 Pressure Switch 320074-702 it must be paired withThe 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