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The FASCO kit242 is a reducing bushing designed to adapt a 3/8 inch connection to a 1/2 inch fitting. Bushings of this type serve as mechanical transition fittings, allowing components with mismatched thread or port sizes to connect within a system. This part is commonly installed by HVAC technicians, plumbers, and mechanical contractors during equipment installation, repair, or retrofit work where port or fitting size differences must be bridged without replacing larger assemblies.
This bushing is suited for use in residential and light commercial mechanical systems where 3/8 inch to 1/2 inch size transitions are required. Typical applications include equipment connections, manifold assemblies, and piping runs where a direct same-size fitting is not available. It is a compact, single-piece adapter that installs inline at the point of size change.
Designed as an OEM-style reducing bushing for mechanical systems requiring a 3/8 inch to 1/2 inch fitting transition.
This bushing is typically installed by licensed HVAC technicians or plumbers as part of piping or equipment connection work. Shut off all fluid, gas, or refrigerant supply and relieve system pressure before removing or installing any fittings. Verify thread type and material compatibility before installation. Follow applicable local mechanical codes and manufacturer guidelines for proper fitting assembly.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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