Description
The Carrier 327972-753 is a natural gas regulator valve for regulating the flow of gas in Heating Ventilation and Air Conditioning systems, more to gas-fires appliances such as furnaces and boilers. If uses a 24V electrical signal to open the valve, through which the gas flows. When designed, the valve is closed by the spring force and hence safe if for instance there is a power failure This normally closed design provides a safety advantage over the always open valves.
