1/4 Short Flare Nute 14FSX-4

A. The Brass NS404 1/4-inch Short Flare Nut is designed to create a secure flare connection in compatible fuel oil, HVAC, refrigeration, and fluid transfer systems. It provides a dependable mechanical seal when used with properly flared tubing and compatible flare fittings.

A. The 1/4 FS designation identifies the flare connection size, while the 4-thread specification identifies the compatible flare fitting. Always verify tubing dimensions and fitting compatibility before installation to ensure proper sealing performance.

A. The Brass NS404 Short Flare Nut is commonly used in fuel oil systems, heating equipment, refrigeration systems, HVAC installations, and other compatible tubing applications requiring dependable flare connections. Proper installation helps support reliable, leak-resistant performance.

A. Yes. The Brass NS404 Short Flare Nut is suitable for HVAC technicians, fuel oil professionals, refrigeration mechanics, plumbers, and experienced DIY users familiar with flare fitting installation. Proper tubing preparation and flare formation are essential for dependable sealing performance.

A. The Brass NS404 Short Flare Nut is manufactured from durable brass that provides excellent corrosion resistance and dependable mechanical strength. When properly installed, it delivers reliable long-term performance in compatible heating, refrigeration, and fuel system applications.

A. When installed with properly flared tubing and compatible flare fittings, the Brass NS404 Short Flare Nut helps create a secure mechanical connection that minimizes leaks and supports dependable system performance. Correct installation contributes to reliable long-term operation.

A. The Brass NS404 is commonly used with compatible copper tubing, flare fittings, flare unions, adapters, valves, fuel oil components, refrigeration tubing, and HVAC equipment. Using compatible flare components helps ensure proper fit and dependable sealing performance.

A. Yes. The Brass NS404 installs using standard flare fitting procedures. Properly cutting, deburring, and flaring the tubing before tightening the flare nut helps create a secure connection without damaging the tubing or flare seat.

A. Unlike a compression fitting that seals using a ferrule, the Brass NS404 Short Flare Nut secures a flared tubing end against a matching flare seat. Flare connections are commonly preferred in fuel oil and refrigeration applications because they provide a durable mechanical seal when properly installed.

A. Rural Energy supplies dependable heating, HVAC, plumbing, and fuel oil components for residential, commercial, and remote installations. The Brass NS404 Short Flare Nut delivers reliable flare connection performance backed by knowledgeable customer support and quality products selected for demanding mechanical system applications.