How Does a Gas Range Regulator Work?


Quick Answer

A gas range regulator works by using mechanical components to control the flow of gas into the appliance. Gas range regulators ensure that the pressure in the gas system remains at the level required for safe operation, and many also work with the thermostat to activate or deactivate burners.

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Full Answer

Gas flows from the house's connection to local gas lines or tanks to the regulator's intake. As the gas builds up, it fills a diaphragm in the regulator that expands to activate a disc that blocks the intake until the thermostat or user settings require gas flow. When the system requires gas, the diaphragm contracts and allows gas to flow into the appliance while drawing more gas though the inlet. The diaphragm helps regulate gas pressure, and the disc snaps shut when the thermostat or the user turns off the flow.

Two common types of gas range regulators exist. Less precise systems using single-stage regulation rely on only one diaphragm to control flow, and these allow pressure to ebb or increase during operation. Two-stage systems help maintain a constant pressure at either the gas tank or the appliance. These systems work well with systems that require constant and precise pressure to operate correctly.

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