Designed with a corrosion-resistant brass body and 3/8-inch flare fittings

As an essential HVAC repair part

For technicians performing HVAC system diagnostics

A cleaner or descaler (like Nu-Calgon Nickel-Safe Ice Machine Cleaner) removes mineral scale and calcium deposits

Its galvanized steel construction resists corrosion and maintains structural integrity under high RPMs

Field Controls 46120002 Air Booster 319825-402 Designed with a corrosion-resistant brassFor hvac contractors managing airflow imbalances in residential or commercial systems, the Field Controls 46120002 Air Booster (Model AB 8) provides a rugged, high performance solution. Engineered specifically for 8 inch round ductwork, including both rigid metal and flexible varieties, this inline duct booster fan effectively increases delivery to under served rooms. Operating at a high speed 3000 RPM, the heavy duty motor generates up to 425 CFM,