Armstrong Fluid Technology 110223-321 Pump L99H008 while the secondary seal cap

while the secondary seal cap ensures a leak-tight configuration

effectively preventing the compressor from running in a vacuum or under high-heat

Exact OEM Compatibility: Verified direct replacement for 28051

this motor provides the torque required to maintain factory airflow specifications

Check the circulator pump and verify that the system air has been fully purged before replacing the limit switch

Armstrong Fluid Technology 110223-321 Pump L99H008 while the secondary seal capThe Armstrong Fluid Technology 110223 321 Pump, specifically the Astro 280SS model, is a high performance stainless steel circulator pump designed for efficiency in potable water and open loop heating systems. This 3 speed circulator pump operates at 115Vac, single phase, and features a maintenance free design with ceramic bearings and a ceramic shaft to ensure quiet, long lasting operation. With a maximum flow rate of 30 GPM and a maximum head of 31.