The stainless steel valve stem and automatic recycling manual operator allow for reliable manual overrides and clear visual status of the valve position

the A19QSC-1 offers superior protection against corrosion and moisture

Constructed from corrosion-resistant galvanized steel

Industrial Build Quality: Designed to withstand the vibration and thermal cycling common in HVACR environments

it provides consistent cycling for equipment protection

Armstrong Fluid Technology 182202-654 Pump 324846-701 The stainless steel valve stemThe 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