“I use this as a zone valve for geothermal heating and cooling (directs/cuts off water to a fan coil unit). The Taco model it replaced had a less powerful motor, and it would stop responding to a call if it wasn't able to reach home position (fully open or fully closed). This model is much more robust. Stronger plastic, more powerful motor, better design.”
“Ordered four Zone Sentry valves and one arrived broken, valve stem was bent and the plastic that holds actuator to valve body was broken. Replaced quickly and easily by Plumbing Supply. Installs quickly and the wiring is simple and easy to access, no problems during installation.”
“I use these 2 way zone valves exclusively. I love the ease of installation and adaptability for tight locations. I use them for commercial applications on heating and chilling lines. I would stay away from the 1/2" 3 way valves though. Their CV rating is minimal at best and are hard to use for retrofit applications. I've installed hundreds of these and rarely have had a problem.”
“Was advertised as a 1" NPT valve. Was received as a !" sweat. Had to buy more fittings to install. The price was not so good after the added expense.”