Armstrong Fluid Technology 174036MF-143 Pump 321894-709 This versatile board serves as

This versatile board serves as a cost-effective universal defrost control replacement

including the AP (proportional) and AT (floating) series

Error Reduction: Reliable ±1

For XR series units

including the HUMXXSTM3034 and HUMXXSTM3134 series

Armstrong Fluid Technology 174036MF-143 Pump 321894-709 This versatile board serves asThe Armstrong Fluid Technology 174036MF 143 is a high performance S 45 AB circulator pump designed for reliable fluid handling in commercial and residential hydronic systems. This lead free bronze pump features a robust 1 4 HP motor operating at 115Vac, ensuring efficient hot water circulation with single phase power. Engineered for longevity, the unit includes permanently lubricated bearings and a non ferrous impeller, making it a maintenance free