Troubleshooting Your 3 Wire Taco Zone Valve Setup
Getting your home's heating zones dialed in usually involves a 3 wire taco zone valve at some point in the process. If you've spent any time in a mechanical room or a basement peering at copper pipes, you've likely seen those iconic gold-colored boxes. They've been the industry standard for decades, and for good reason. They are generally reliable, fairly simple to understand once you get past the initial confusion, and they don't cost an arm and a leg to replace when things eventually go south. ...