In zone valve setups, a separate zone valve is installed in the pipe to or from each zone. In most installations, the zone valves are in the returns, where the water is cooler. The cooler temperatures ...

Bob is a service technician who is well trained and nationally certified. However, he sometimes suffers from the same confusion that all technicians occasionally do - the facts that he gathers may or ...

Q: Our home is heated by hot water (radiators, not radiant heat). The system is divided into five zones, each with its own thermostat. What causes pipes to "bang" when, as I assume, one of those ...

Suffering from no hot water? It may not be a hard problem to fix. If you have an electric water heater that’s not working properly, there are several possible reasons—and many of them have relatively ...