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The BARRY E WALTER SR COMPANY 120840 is a brass extension stem designed for valve service applications in plumbing and HVAC systems. Extension stems are used to lengthen the operating connection between a valve handle and the valve body, allowing access to valves installed in tight or recessed locations. Constructed from brass, this stem provides corrosion resistance and durability in wet or pressurized service environments. The 20-point specification indicates the stem interface configuration, which must match the valve it is paired with. Licensed plumbers and pipefitters typically install this component during new construction or repair work.
This extension stem is suited for residential and light commercial plumbing and hydronic HVAC applications where valves are mounted behind walls, in valve boxes, or in other configurations that require extended reach for operation. It is installed in line with the valve stem during rough-in or retrofit work to allow a standard handle or key to engage the valve without modification to the surrounding structure.
Designed as an OEM-style replacement or accessory extension stem for valves requiring a 20-point brass stem interface in plumbing and HVAC applications. Verify point count and stem dimensions against the target valve before installation.
Installation should be performed by a licensed plumber or qualified HVAC technician. Shut off the water supply or isolate the system section and relieve pressure before disassembling any valve components. Ensure the 20-point interface engages fully and seats properly before reassembling the valve handle. Follow applicable IPC and local plumbing code requirements for valve accessibility and material compatibility.
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