The #1 Reason No-Hub Piping Systems Fail – Hydraulic Jump

Many piping failures can be explained by the occurrence of hydraulic jump. As water travels down a vertical pipe it reaches its terminal velocity. When this fast moving water must change direction to flow along a horizontal pipe at the systems’s base, problems can arise. Find out the risks of excluding fitting restraints and what you need to know to protect property from this type of failure.

MacDonald-Miller Turns to HOLDRITE to Ensure Ideal Water Seal Protection


When you’re responsible for installing all of the heating, ventilation, air conditioning and plumbing in a 40-story apartment building, ensuring that all pipes that penetrate floors are completely water tight is vitally important. But on a recent construction project in downtown Seattle, mechanical contractor MacDonald Miller ran into problems. As the tower was being built, the steel sleeving system they had installed began to leak around the pipe penetrations. With water leaking through the sleeves down to the finished floors below, the company needed a solution that didn’t require the addition of silicone caulk, etc.


Download Our EBooks on the Revolutionary TESTRITE DWV System


Learn how years of engineering design work and contractor input led to the creation of the innovative new TESTRITE® DWV Testing System from HOLDRITE®. Download our EBooks: The Forward Edge in the Evolution of DWV Testing. and Make the Switch from Inflatable DWV Test Devices


HOLDRITE CEO & President Featured in PM Magazine’s October PM Profile

Tim McConnellAs market conditions change, business leaders should look for strategic competitive advantages

HOLDRITE sees accelerated growth of technology and alternative piping materials.

Plumbing & Mechanical last month interviewed HOLDRITE President and CEO Tim McConnell. He has worked at HOLDRITE in various roles since joining the company 19 years ago. HOLDRITE designs, manufactures and sells rough-in plumbing products installed by mechanical and plumbing contractors, specified by engineers and sold through distribution channels for use in residential and commercial construction. Products include pipe and equipment support systems, acoustical plumbing solutions, water heater accessories, drain, waste and vent solutions and firestop-sleeving systems.

Read Complete Interview


The Next Generation of DWV Testing Is NOW!

HOLDRITE® Introduces TESTRITE® the Forward Edge in the Evolution of DWV Testing 

Today’s plumbing contractor expects, and demands, innovative solutions to challenges in the workplace. The TESTRITE® DWV Testing System is THE game changer. TESTRITE® is designed with versatility in mind and can be installed in no-hub cast iron, ABS and PVC pipe systems in 2”, 3” and 4”.  A complete test using the TESTRITE® System requires a matter of minutes.

The TESTRITE DWV Testing System can then be filled conventionally from above or a hose can be attached to the optional ¾” valve at the point of the test stem. Triple seal protection provides for a dry, safe environment. In addition to facilitating a safer work environment, the TESTRITE® System enables plumbers to work more efficiently and to stay dry themselves. The TESTRITE® System is simple to install, reusable and allows for a testing process that is up to 5 times faster than traditional methods.

TESTRITE® represents the ideal engineered solution, and the next step in innovative DWV testing.

Find Out More about TESTRITE