Plumbing Dictionary


Plumbing termonalogy.

Browse the glossary using this index

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G

GAS COMPANY

The organization operating the gas distribution system, or supplying the gas fuel that is being used.

GAS CONVENIENCE OUTLET

A permanently mounted manually operated device that provides the means for connecting an appliance to, and disconnecting an appliance from, the gas supply piping. The device includes an integral, manually operated gas valve with a nondisplaceable valve member and is designed so that disconnection can be accomplished only when the manually operated gas valve is in the closed position.

GAS COUNTER APPLIANCES

Appliances such as gas operated coffee brewers and coffee urns and any appurtenant water heating equipment, food and dish warmers, hot plates, griddles, waffle bakers and other appliances designed for installation on or in a counter.

GAS HOSE

A gas conduit which depends for tightness on joint packing, or on any wall structure other than that formed by a continuous one-piece metal tubing member.

GAS OFFICIAL

See ADMINISTRATIVE AUTHORllY.

GAS VENTS Single-wall metal

Vents constructed of sheet copper not less than 0.024-inch (0.61 mm) or 0.040-inch (1.02 mm) minimum galvanized steel or other approved noncombustible corrosion resistant material.

GAS VENTS Type B

Factory made gas vents listed by a nationally recognized testing agency for venting listed or approved appliances equipped to burn only gas.

GAS VENTS Type BW

Factory made gas vents listed by a nationally recognized agency for venting listed or approved gas fired vented wall furnaces.

GAS VENTS Type L

Factory made gas vents listed by a nationally recognized testing agency for venting listed or approved appliances equipped to bum gas or oil.

GRAVITY

See SPECIFIC GRAVIY.

GREASE INTERCEPTOR

An interceptor whose rated flow exceeds 50 gpm and is located outside the building.

GREASE TRAP

An interceptor whose rated flow is 50 gpm or less and is located inside the building.