Turn the handle perpendicular with the pipe to close the valve and parallel to open the valve.
Furnace gas shut off valve.
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.
Again handle parallel to the line means gas is flowing perpendicular means it s cut off.
A broken furnace shut off valve is a serious problem that must be attended to as soon as it is realized.
The watts 201 5 valve shown will shut off the gas supply if water temperature exceeds 210 f.
You will occasionally have to replace the gas shut off valve or thermocouple as it is also called.
Ultimately the thermocouple acts as a safety mechanism that prevents gas buildup within the home.
A gas shut off valve can be found in most modern gas appliances.
These valves allow you to stop the flow of gas to your dryer oven furnace water heater or gas fireplaces to make repairs or new installations without cutting off gas to your entire home.
Most service valves are single lever ball valves.
As a result this cuts off the supply of gas to the pilot light.
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.
The shut off valve stands in between the oil supply and the actual furnace itself.
Visual signs of lp gas leakage at an appliance gas valve.
Without adequate heating of the thermocouple or thermopile the furnace gas valve closes.