Armstrong Fluid Technology 810120-350K Hardware Kit 320819-301 refer to your unit's parts

refer to your unit's parts manual for the specific hardware required for your relay box model

standard Conbraco/Apollo replacement parts can be sourced if the handle is damaged during heavy-duty site use

The high-flexibility membrane handles standard 0-20 psig control air pressure and is rated for safety damper functions up to 30 psig

meaning it requires a minimum differential pressure of 0

3 Amp draw at 230V delivers the torque needed for consistent airflow

Armstrong Fluid Technology 810120-350K Hardware Kit 320819-301 refer to your unit's partsThe Armstrong Fluid Technology 810120 350K Hardware Kit is a premium, genuine OEM solution designed to maintain the integrity and performance of your in line circulating pumps. This comprehensive kit serves as the current, direct replacement for legacy part numbers 810120 206 and 810120 212, ensuring seamless HVAC pump maintenance without the need for additional modifications. Engineered for durability, the kit includes essential flange gaskets, steel