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Tight Fill Adaptors & Caps

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Proven, Reliable, Made-in-the-USA Hardware for Plumbing & Heating Installations

Scully Unifil Tight Fill Adaptors Caps and Nozzle Connectors

Unifil® Adaptors, Caps & Nozzle Connectors

All-weather threaded adapters with a Unifil® opening, including the new Scul-Lock™ tamper proof locking cap.
Unifil Tight Fill Delivery System Accessories

Unifil® Delivery Systems Accessories

Plumbing and heating tools to install, remove, fill, and maintain piping and adapters efficiently.

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- Damon Obermiller, Production Manager, Bosselman Energy

“Scully has a great overfill system and the tech support is second-to-none when troubleshooting problems.”

- Tyler Hancock, Instrumentation & Industrial Sales, Petroleum Measurement Integrators, Ltd.

“Scully is a long-time industry leader with excellent products for cold northern Canadian temperatures, which have often led Scully/PMI to success over the competitors.”

- Keaton Leach, Shipping & Receiving Manager

“Scully products are easy for my team to install and easy for the truck drivers to use.”

- Reynaldo Vela, Trailer Shop Foreman, Alamo City Truck Service Inc.

“The Scully System is easy to install, and easy to diagnose when needed.”

- Scott Bollinger, Materials Manager, O'Day Equipment, LLC

“Unmatched quality, functional products, innovative thinking, made in the USA.”
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