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The MIDLAND INDUSTRIES 700094-0404 is a lead-free brass adapter fitting that connects a 1/4-inch compression end to a 1/4-inch flare end in a single inline body. It is designed for use in refrigeration, HVAC, and plumbing tubing runs where two different connection types must be joined without additional hardware. The fitting features a 7/16-24 compression thread on one end and a 7/16-20 flare thread on the other. Its rated temperature range of -40 to 250 degrees F suits both low-temperature refrigeration lines and higher-temperature domestic water and gas-adjacent applications. Plumbers, HVAC technicians, and refrigeration mechanics are the primary installers of this fitting.
This adapter is suited for residential and light commercial installations where copper, aluminum, or plastic tubing must transition from a compression-style connection to a standard SAE 45-degree flare. Common applications include refrigerant line repairs, ice maker supply lines, HVAC equipment connections, and potable water tubing runs that require a compression-to-flare transition. The lead-free brass construction meets requirements for drinking water contact applications under current plumbing codes.
Designed for use with copper, aluminum, or plastic tubing requiring a compression to flare transition. Compatible with standard 1/4-inch OD tubing in HVAC, refrigeration, and plumbing systems.
This fitting is typically installed by licensed plumbers or HVAC technicians. Shut off the water or refrigerant supply and depressurize the line before connecting or disconnecting the fitting. Use two wrenches when tightening to avoid twisting the tubing. Installations involving potable water should comply with applicable local plumbing codes and lead-free material requirements.
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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