Furnace Gas Shut Off Valve

A gas shut off valve can be found in most modern gas appliances.

Furnace gas shut off valve.

Ultimately the thermocouple acts as a safety mechanism that prevents gas buildup within the home. Again handle parallel to the line means gas is flowing perpendicular means it s cut off. In order to ensure safety when working on other parts of the furnace the shut off valve stops the flow of oil hot water or other type of material that the furnace uses to create the heat. Most service valves are single lever ball valves.

You will occasionally have to replace the gas shut off valve or thermocouple as it is also called. A 24 vac transformer or the thermopile powers the main valve. Visual signs of lp gas leakage at an appliance gas valve. A broken furnace shut off valve is a serious problem that must be attended to as soon as it is realized.

Without adequate heating of the thermocouple or thermopile the furnace gas valve closes. As a result this cuts off the supply of gas to the pilot light. The shut off valve stands in between the oil supply and the actual furnace itself. Details about this gas fired water heater automatic gas shutoff valve are at automatic gas water heater shutoff temperature operated gas supply shutoff for water heaters watts 210 5 series.

Local shut off valves local shutoff valves have handles that limit the flow of gas to a specific appliance. They are designed to close the gas supply if the pilot light flame does not come on or if it is extinguished for some reason.