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The ASHLAND WATER GROUP AV125 is a chrome and zinc plated air valve designed to admit air into well water systems. This small-body valve helps regulate pressure by allowing controlled air admittance, a critical function in maintaining proper well system operation. At 0.125 inches, it fits compact installation points common in residential and light commercial well plumbing. The chrome and zinc plating provides corrosion resistance suited to wet environments. Licensed plumbers and well service technicians are the primary installers of this component.
The AV125 is used in well water supply systems where controlled air admittance is required to prevent vacuum conditions or to support pressure tank function. It is well suited for residential well installations where a compact, corrosion-resistant valve is needed at a 0.125-inch connection point. The chrome and zinc finish makes it appropriate for both exposed and semi-exposed plumbing locations.
Designed as an OEM-style replacement or service valve for residential well water systems requiring a 0.125-inch air admittance valve.
Installation is typically performed by a licensed plumber or well system technician. Shut off the well pump and relieve system pressure before removing or installing any valve in the water line. Follow applicable local plumbing codes and IPC guidelines for well system service. Inspect the connection threads for damage before installation to ensure a leak-free seal.
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