The history of balancing goes back to the 1940s, when the need to adjust flow distribution in heating systems was realized to achieve the desired indoor temperature in a building. Oversizing ...

The Plus Two multipurpose valve combines all the valve functions required on the discharge side of a centrifugal pump in a hydronic heating or cooling system into one body. It combines several valves ...

Dear Melissa: This is a very common problem when your bathtub has the old two-handle (hot and cold) shower valve. When a toilet is flushed or the cold water faucet in the kitchen is opened, the ...