Armstrong Fluid Technology 174031MF-043 Pump R-407A while the large T-handle adjustment

while the large T-handle adjustment allows for easy manual calibration under load

it is used across the UTC brands including Carrier

Field Flexibility: The adjustable stroke damper actuator design allows for 2-inch to 4-inch travel to meet specific site requirements

reducing labor overhead on the job site

the 71M28 is technically identical to the 71M2801 and serves as a functional replacement

Armstrong Fluid Technology 174031MF-043 Pump R-407A while the large T-handle adjustmentThe Armstrong Fluid Technology 174031MF 043, also known as the Model S25AB, is a high performance 1 12 HP circulator pump engineered for precision in hydronic heating and cooling systems. Designed for domestic hot water systems and general industrial use, this lead free all bronze body pump ensures long term resistance to corrosion in open loop applications. It operates on 115Vac power and is a single phase unit featuring a non ferrous impeller for