Armstrong Fluid Technology 116432MF-133 Pump 320734-701 maintaining strict safety protocols by

maintaining strict safety protocols by automatically de-energizing the gas valve upon flame failure detection

carbon tracking (black marks) near the chassis

Designed for the rigors of heavy-duty operation

the "open rise" function acts as a safety cut-out where the electrical contacts separate as the temperature hits the designated high-limit

while the ball bearing construction supports both horizontal and vertical mounting configurations

Armstrong Fluid Technology 116432MF-133 Pump 320734-701 maintaining strict safety protocols byThe Armstrong Fluid Technology 116432MF 133 Pump (Model H51AB) is a high performance 1 4 HP circulator pump engineered for precision in hydronic heating, cooling, and domestic water systems. This single phase, 115Vac unit features a lead free bronze body and a non ferrous impeller, ensuring superior corrosion resistance and longevity in demanding HVACR environments. Designed as a direct replacement for 116432 133 and 116432LF 133, this centrifugal