Armstrong Fluid Technology 182202-654 Pump 318973-401 making it a versatile stock

making it a versatile stock item for modern low-GWP retrofits

This spring return stem-up unit is engineered for medium-to-large valves

The #7 orifice and balanced port design ensure stable operation and precise superheat control even under fluctuating load conditions or varying head pressures

and 3UL17 series 3-way solenoid valves

the assembly operates on a 4-8 PSI spring range

Armstrong Fluid Technology 182202-654 Pump 318973-401 making it a versatile stockThe Armstrong Fluid Technology 182202 654 is a high performance ARMflo E16. 2B Bronze Circulator Pump designed for demanding hydronic applications. This 1 6 HP maintenance free pump operates at 3400 RPM on a 120V single phase power supply, delivering exceptional reliability for domestic hot water, radiant heating, and geothermal systems. As a lead free bronze circulator specifically engineered for compatibility with 2 inch flanges, it ensures safe and