True or false? A manual gas shutoff valve must always be installed at a gas furnace.?

Answer 1

All gas appliances need their own shut off valve. So yes.

Answer 2

In USA it's TRUE.
For a gas stove too.

If there are electrical devices in the furnace, then an electrical shut-off switch must also be installed at the furnace.

Answer 3

true, any gas appliance should have it's own shut off valve.

Answer 4

TRUE I am a gas fitter

Answer 5

Of course there must be. If there wasn't a manual shut off valve the furnace would be connected to the mains gas system with no manual shut off valve.

Answer 6

building code requires it where i live

Answer 7

Where I live it's mandatory.

Answer 8

Always? There will probably be some geek who knows some isolated non-normal exception. But the real world answer is:

True.

Answer 9

True! In commercial-institutional kitchens in schools, prisons, and high rise structures there is often a requirement to have the ANSUL system tied to an electrically (fail secure) powered main gas shutoff solenoid valve that kicks off the gas valve if the kitchen vent hood ANSUL fire suppression system triggers.

That fuse wire under the vent hood will often have a cable to the spring loaded gas valve and ANSUL unit.
The fire suppression gas valves are in almost every restaurant that has a large 60+ person seating area.
High pressure gas pipe must be welded solid flange pipe and painted yellow in false ceiling areas to code.

Answer 10

Fire code in jurisdictions where there is one generally requires a manual shut off at each gas appliance.