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A zone valve is a specific type of valve used to control the flow of water or steam in a hydronic heating or cooling system.
In the interest of improving efficiency and occupant comfort, such systems are commonly divided up into multiple zones.[1] For example, in a house, the main floor may be served by one heating zone while the upstairs bedrooms are served by another. In this way, the heat can be directed principally to the main floor during the day and principally to the bedrooms at night, allowing the unoccupied areas to cool down.
This zoning can be accomplished in one of two ways:
Multiple circulator pumps, or
A single circulator pump and zone valves.
^McElwain (January 26, 2001). "Troubleshooting Hot Water Zone Valves". ACHR News. Retrieved February 2, 2024.
A zonevalve is a specific type of valve used to control the flow of water or steam in a hydronic heating or cooling system. In the interest of improving...
of valve Variable valve timing – Process of altering the timing of a valve lift event Zonevalve – Type of water of steam flow valve "Types of valve bodies...
reliable check valve such as a reduced pressure zone device may be mandated. A dual check backflow preventer is similar to a double check valve in operation...
A control valve is a valve used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller. This enables the...
A relief valve or pressure relief valve (PRV) is a type of safety valve used to control or limit the pressure in a system; excessive pressure might otherwise...
A thermal expansion valve or thermostatic expansion valve (often abbreviated as TEV, TXV, or TX valve) is a component in vapor-compression refrigeration...
A reduced pressure zone device (RPZD, RPZ, or RPZ valve) is a type of backflow prevention device used to protect water supplies from contamination. RPZDs...
Access Credential Access Door Access Point Access Rights Access User Access Zone Accumulator Alert Enrollment Analog Input Analog Output Analog Value Averaging...
A globe valve, different from ball valve, is a type of valve used for regulating flow in a pipeline, consisting of a movable plug or disc element and a...
A safety valve is a valve that acts as a fail-safe. An example of safety valve is a pressure relief valve (PRV), which automatically releases a substance...
Diaphragm valves (or membrane valves) consists of a valve body with two or more ports, a flexible diaphragm, and a "weir or saddle" or seat upon which...
A gate valve, also known as a sluice valve, is a valve that opens by lifting a barrier (gate) out of the path of the fluid. Gate valves require very little...
A needle valve is a type of valve with a small port and a threaded, needle-shaped plunger. It allows precise regulation of flow, although it is generally...
(the flush valve seat) by water pressure. The user pushes a lever to flush the toilet, which lifts the flush valve from the valve seat. The valve then floats...
several radiators can be installed, the flow in each loop or zone controlled by a zonevalve connected to a thermostat. In most water systems, the water...
merely a valve. A recent introduction to the UK has been the Reduced Pressure Zone (RPZ) valve, a form of double check valve where the intervening zone is drained...
A thermostatic radiator valve (TRV) is a self-regulating valve fitted to hot water heating system radiator, to control the temperature of a room by changing...
A pressure regulator is a valve that controls the pressure of a fluid to a desired value, using negative feedback from the controlled pressure. Regulators...
A pinch valve is a full bore or fully ported type of control valve which uses a pinching effect to obstruct fluid flow. Pinch valves employ an elastic...
A ballcock (also balltap or float valve) is a mechanism or machine for filling water tanks, such as those found in flush toilets, while avoiding overflow...
long pipe. It was necessary to pull a hanging chain connected to a release valve located inside the cistern in order to flush the toilet. Modern toilets...
attached to the furnace. The water level in the pan is controlled by a float valve, similar to a small toilet tank float. The wick is typically a foam pad...
particulate air (ULPA) Whole-house fan Windcatcher Wood-burning stove Zonevalve Measurement and control Air flow meter Aquastat BACnet Blower door Building...
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