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The WILLIAMS COMFORT PRODUCTS 8FR38M25F is a reducer fitting designed to transition from a 3/8 inch male connection to a 1/4 inch female connection. This type of fitting is used to join two pipe or tubing segments of different diameters within a gas, fluid, or mechanical system. It allows installers to connect components where thread sizes do not match without modifying existing lines. Weighing 0.15 pounds, this is a compact, single-unit fitting suited for use in heating appliances, gas lines, and related plumbing or mechanical assemblies. Licensed tradespeople working on furnaces, heaters, or similar equipment will encounter this fitting as a standard service component.
This reducer fitting is appropriate for applications where a line or component with a 3/8 inch male thread must connect to a port or component with a 1/4 inch female thread. Common installation scenarios include servicing wall heaters, floor furnaces, and other gas-fired heating appliances where Williams Comfort Products components are installed. It is sold individually and is well-suited for replacement or repair work in residential heating systems.
Designed as an OEM-style reducer fitting for gas-fired heating appliances and systems requiring a 3/8 inch male to 1/4 inch female thread transition.
This fitting should be installed by a licensed plumber, HVAC technician, or gas fitter in accordance with local codes and applicable standards such as the IFGC. Shut off the gas supply and depressurize the line before removing or installing any fittings. Use appropriate thread sealant approved for gas service on all threaded connections. Do not overtighten — follow standard trade practice for the fitting material and thread type.
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