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Check Key Tool for Ames and Watts Backflow Preventers | #1 Cam Check | 2 1/2″- 4″

The Small Backflow Check Key Tool includes one check key tool that will quickly and painlessly remove or install #1 cam checks found in Ames and Watts backflow prevention assemblies. Sizes included are compatible with the #1 cam checks found in backflow preventer assemblies measuring at 2 1/2″, 3″, and 4″. Made in the USA!
SKU Construction Finish
BFCKTS1 Steel Bright Blue
Cam Check Valve Sizes Compatible Ames Models Compatible Watts Valve Models
2 1/2″, 3″, 4″ Ames Series 2000ss, 3000ss, 4000ss, 5000ss Watts Series 774, 774DCDA, 994, 994RPDA
Check Valve Types Availability
Reduced Pressure Zone and Double Check Backflow Assemblies (#1) Usually Ships Within 48 Hours

Small (2 1/2″ – 4″) #1 Backflow Check Key Tool

This Backflow Check Key Tool is designed to quickly remove the #1 cam check used in 2 1/2″, 3″, and 4″ Ames and Watts double check valves—without destroying the valve, your tools, or your hands.

There are two cam checks (commonly referred to as check valves) located inside of your backflow preventer assembly. Together, they regulate the flow and pressure of the water that moves through plumbing and piping systems.

This product is uniquely designed with extended legs designed to rotate the #1 cam check with a 1/2″ drive ratchet or breaker bar (not included). These Check Key tools work with both reduced pressure zone (RPZ) and double check backflow preventers.

How does this small #1 backflow tool work?

While manufacturers sometimes recommend using a screwdriver to remove or replace cam checks, this technique can be dangerous and may not work every time. In fact, if the check valve is installed correctly, the force needed to remove the assembly may break some tools (or even the cam check itself).

This Backflow Check Key Tool slides directly into the grooves of various Ames and Watts backflow preventers (including 2 1/2″, 3″, and 4″ sizes), providing the necessary leverage to safely remove and replace the #1 cam check.

Will the Check Key tool fit my backflow cam check valve?

This Backflow Check Key Tool is compatible with the #1 cam checks that measure between 2 1/2″ and 4″, and works with both reduced pressure zone (RPZ) and double check backflow preventers.

Compatible Ames-brand backflow preventers with the Backflow Check Key Tool include the following:

  • Ames Series 2000SS (2 1/2 – 4″)
  • Ames Series 3000SS (2 1/2 – 4″)
  • Ames Series 4000SS (2 1/2 – 4″)
  • Ames Series 5000SS (2 1/2 – 4″)

Compatible Watts-brand backflow preventers with the Backflow Check Key Tool include the following:

  • Watts Series 774 (2 1/2 – 4″)
  • Watts Series 774DCDA (2 1/2 – 4″)
  • Watts Series 994 (2 1/2 – 4″)
  • Watts Series 994RPDA (2 1/2 – 4″)

How is the Check Key tool designed?

This Check Key tool is ideal for individuals or technicians who work regularly with smaller backflow preventers. With a simple crosshair design, solid steel, and a bright blue finish, this Backflow Check Key works in conjunction with a 1/2″ drive ratchet or breaker bar (not included) to turn the check valve in the body, facilitating replacement or removal of the cam check with ease and precision.

This Backflow Check Key includes one tool:

Other variations of this tool sold separately:

Sets of Check Key Backflow Tools:

How do I use the Check Key Tool?

Operation of the Backflow Check Key is simple and consistent across all compatible double check valve backflow preventers.

First, locate the cam check inside of the backflow check valve. Then, line the Check Key tool up with the cam check and rotate the tool until the "legs” align with and slide into the slots found in the perimeter of the cam check. Slight pressure may be required for the check key to snap into place.

After securing the tool inside the slots, attach a 1/2″ ratchet or breaker bar, and begin to rotate the Check Key tool. If the cam check won’t budge, wedge a small piece of wood in the opening between the tool and the valve. Wedges can provide extra torque by pressing the tool tightly against the check valve while keeping hands out of harm’s way.

When installing a new backflow check valve, consumers have found that lubricating the O-ring can help increase the ease of the process tremendously. Always follow the manufacturer’s guidelines and applicable laws when lubricating valves connected to potable water systems. Many Ames- and Watts-brand valves should be thoroughly cleaned and lubricated with Food and Drug Administration (FDA) approved lubricant.

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