and handles a constant volume of 400 CFM

Adjustable Flame Pattern: Features a three-position adjustable hood to direct the pilot flame for optimal sensor contact

which is critical for maintaining high-efficiency combustion and preventing nuisance lockouts on the job site

Key Benefits System Longevity: Protects cast iron

Standard valve seat wrenches are typically required to remove the old seat and torque the 311077 into place

Aprilaire 4280 Shock Arrestor R-410A and handles a constant volumeThe 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