Q:

What is a heating zone valve?

A:

Quick Answer

A heating zone valve is a type of valve that is used in order to control the flow of either water or steam in a hydronic heating or cooling system. These types of systems typically are divided into multiple zones controlled by separate valves to be more energy efficient.

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Full Answer

Heating zone valves allow the user to be able to pick and choose which zones are heated and cooled at specific times, which keeps the system from unnecessarily using energy to heat or cool an area that is unoccupied. The only drawbacks of these systems is that they are more prone to failure than a multiple pump system, and they typically are much harder to design since they require both relays and the ability to withstand when all zone valves are closed at the same time.

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