Aprilaire 4280 Shock Arrestor 322838-753 and a clear mechanical position

and a clear mechanical position indicator for rapid diagnostic checks on-site

ensuring bolt-hole alignment and proper spacing

or liquefied petroleum (LP) gases typically found in industrial combustion systems

Key Benefits for the Contractor Precise Overpressure Protection: Factory-calibrated to 125 PSI to prevent catastrophic failure in commercial electric water heaters

this valve is the primary solution for erratic pilot flame or total main burner failure

Aprilaire 4280 Shock Arrestor 322838-753 and a clear mechanical positionThe 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