Filler Valve

Flat Box Filler Valve

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  • PROFESSIONAL GRADE | LEVEL5 drywall tools have been designed and built using nearly 20 years of input from professional finishers.
  • PREMIUM MATERIALS | Made of high quality stainless steel, mounting bracket is designed for quick changes between it and the gooseneck attachment.
  • GUARANTEED PERFORMANCE | Our tools are built for reliable, daily use on the job site and backed by an industry-leading 7-year warranty.
  • GUARANTEED PERFORMANCE | Developed by professionals for professionals, LEVEL5 Tools are built to work as hard as you do.
  • SKU: 4-715
  • UPC: 815966020159

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7-Year Limited Warranty. Learn More »

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Call us at 800.227.7713

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The LEVEL5 drywall flat box filler valve is an essential accessory for any drywall compound pump. It features a heavy-duty billet aluminum construction and comes with LEVEL5’s outstanding 7-Year warranty.


  • Compatible with joint compound pumps from most leading brands
  • Longer than other standard box filler valves, enabling easier, more comfortable filling and less interference with the compound bucket
  • High-strength billet aluminum body, anodized for long term durability and easy cleanup
  • Precision-machined mount flange enables quick changes between the box filler valve and a gooseneck on a joint compound pump
  • Stainless steel filler nozzle and cable
  • 7-Year Limited Warranty
level5 flat box filler valve being used

7-Year Warranty

100% Satisfaction Guaranteed

LEVEL5 makes workhorse drywall finishing tools that set the standard for quality & reliability.

We back all of our tools with the strongest warranties in the industry and work hard to provide our family of finishers with the best customer service possible.

Do you have questions about your LEVEL5 Tool(s)? Call our toll-free support line at 866.562.4229 (local: 913.631.0804) or send us an email at Our support team is available Monday through Friday, 7:30am to 4pm Central Time.

Manufacturer's  Warranty

For its full line of automatic drywall finishing tools and accessories, LEVEL5 Tools, LLC. ("LEVEL5") offers a full seven (7) year warranty to the original owner that these products will be free from defects in material and function. This warranty is valid only in the USA, Canada, Australia, the United Kingdom and Europe. A one (1) year warranty applies in all other countries/markets.

Terms & Conditions

  • The Warranty applies to the original owner and is not transferable.
  • The Warranty is limited to repair or replacement of the product, and does not cover direct, indirect, consequential, incidental or any other type of damage resulting from its use.
  • The Warranty does not cover normal wear, misuse, negligence, fire, theft, loss or intentional damage.
  • All shipments to the LEVEL5 facility must be freight paid. LEVEL5 reserves the right to determine whether to repair or replace any product covered under the Warranty. Discontinued products may be replaced with newer models when necessary.
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