Common Questions How do I adjust the set point on the AFS-951

this valve maintains the standard 3/4-inch NPT threading and 8-inch probe length

6" WC but the circuit remains open

this Resideo Aquastat sensor replacement provides the necessary NTC thermistor feedback required for sophisticated outdoor reset and thermal purging functions

Armstrong Fluid Technology 426401-002 Gasket 318518-761 Common Questions How do IThe Armstrong Fluid Technology 426401 002 Gasket is a precision engineered casing gasket designed specifically for a wide range of commercial pump series, including the Armstrong 4030, 4280, 4300, and 4380. Manufactured from high grade nitrile (Buna N), this 6 inch component provides an airtight, leakproof seal that is essential for maintaining hydraulic integrity and system efficiency. This replacement pump gasket features an outer diameter (OD) of 7