Need to know if a buried valve is open or closed? The simple to install Hydra-Stop Indicator Post bonnet adapter allows an installer to quickly setup an Insta-Valve 250 Patriot Series Insertion Valve for use with a vertical indicator post. Everything you need to mount the indicator post to the Insta-Valve 250 Patriot Series Insertion Valve is included with the Indicator Post Adapter kit.


Hydra-Stop IPA Features

  • Allows for simple installation of an indicator post.
  • Available for 4-12” IV 250 Patriot Series Insertion Valves.
  • Indicator Post mounting pattern compatible with Mueller UL/FM Adjustable Indicator Post.
  • 304 stainless steel valve bonnet drilled and tapped to be compatible with the mounting pattern of the indicator post.

Hydra-Stop IPA Specifications

  • Dimensions: 4-8” Bonnet measures 13.5 inches. 10-12” Bonnet measures 18.5 inches.
  • Weight: 4-8” Bonnet weighs 50 lbs. 10-12” Bonnet weighs 80 lbs.
  • Bolt Hole Pattern: Bolt hole pattern for both the 4-8” and 10-12” bonnet is based on a 10.5” bolt hole circle.
  • Bolt Hole Depth: Bolt Hole depth is .750 inches.


Call Hydra-Stop today at 708-389-5111 for more information or to order your Insta-Valve Indicator Post Adapter Kit.