Aprilaire 4280 Shock Arrestor 324846-701 This buoyancy-based flow sensor is

This buoyancy-based flow sensor is built to withstand varied environmental conditions

Whether you are performing a blower motor swap or a heat exchanger inspection

This OEM valve rebuild kit provides the necessary internals to restore factory-spec seating and prevent bypass leakage in commercial HVAC hydronic systems

ensuring reliable close-off during power loss

Aprilaire 4280 Shock Arrestor 324846-701 This buoyancy-based flow sensor isThe Aprilaire 4280 Shock Arrestor is a high performance water hammer suppressor engineered specifically for residential and commercial HVACR applications. This inline water shock absorber is the primary defense against the damaging effects of water hammer, which occurs when solenoid valves close rapidly, causing pressure spikes and loud pipe vibrations. Optimized for 1 4 inch O. D. copper or plastic tubing, this plumbing surge protector stabilizes