Armstrong Fluid Technology 812961-111 Impeller 321042-401 it eliminates leak points by

it eliminates leak points by avoiding welds

This specific model is calibrated for Natural Gas at 3

making it an essential component for maintaining optimal thermal balance in heat exchangers

Rated for temperatures up to 250°F and compatible with up to 60% glycol solutions

High Thermal Tolerance: Integrated Class F insulation prevents premature winding failure during high-static operating conditions

Armstrong Fluid Technology 812961-111 Impeller 321042-401 it eliminates leak points byThe Armstrong Fluid Technology 812961 111 Impeller is a precision engineered Noryl plastic impeller specifically designed to restore the hydraulic performance of your Armstrong S 25 circulator pump. This non ferrous plastic component is an essential HVAC replacement part used in heating and cooling systems where resistance to corrosion is paramount. With an outside diameter of 2 3 4 inches, it is manufactured via high quality injection molding to