Plumbing Dictionary


Plumbing termonalogy.

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A

APPLIANCES FOR VENTED FIREPLACE

A self contained, free-standing, fuel-gas burning appliance designed for installation only in a vented fireplace and whose primary function lies in the esthetic effect of the flame.

APPLIANCES FOR VENTED FIREPLACE Coal basket

An open-flame type appliance consisting of a metal basket filled with simulated coals which gives the appearance of a coal fire when in operation.

APPLIANCES FOR VENTED FIREPLACE Fireplace insert

Consists of an open-flame radiant-type appliance mounted in a decorative metal panel to cover the fireplace or mantel opening and having provisions for venting into the fireplace chimney.

APPLIANCES FOR VENTED FIREPLACE Gas log

An open flame type appliance consisting of a metal frame or base supporting simulated logs.

APPLIANCES FOR VENTED FIREPLACE Radiant appliance

An open front appliance designed primarily to convert the energy in fuel gas to radiant heat by means of refractory radiant or similar radiating materials.

APPRENTICE

a person learning a craft under a skilled person; A beginner.

APPROVED

Approved by the gas official or other authority having jurisdiction.

AREA DRAIN

A receptacle designed to collect surface or storm water from an open area.

ASPIRATOR

A fitting or device supplied with water or other fluid under positive pressure that passes through an integral orifice or constriction, causing a vacuum. Aspirators are also referred to as suction apparatus, and are similar in operation to an ejector.

AUTOMATIC GAS SHUTOFF DEVICE

A device constructed so that the attainment of a water temperature in a hot water supply system in excess of some predetermined limit acts in such a way as to cause the gas to the system to be shut off. It may be constructed integrally with the shut-off device or be a separate assembly.

AUTOMATIC IGNITION

Means which provide for ignition of the gas at the burner when the gas burner valve controlling the gas to that burner is turned on, and which affect re-ignition if the flames on the burner have been extinguished by means other than closing the gas burner valve.

AUTOMATIC PILOT

B

BACKFLOW Backpressure

Pressure created by any means in the water distribution system, which by being in excess of the pressure in the water supply mains causes a potential backflow condition.

BACKFLOW Backpressure Sewer

low head, A pressure less than or equal to 4.33 psi  (29.88 kPa) or the pressure exerted by a 10-foot (3048 rom) column of water.

BACKFLOW Backpressure Water

Pressure created by any means in the water distribution system, which by being in excess of the pressure in the water supply mains causes a potential backflow condition.

BACKFLOW CONNECTION

Any arrangement whereby backflow is possible.

BAFFLE

An object placed in an appliance to change the direction of or retard the flow of air, air-gas mixtures, or flue gases.

BALL COCK

A water supply valve, opened or closed by means of a float or similar device, utilized to supply water to a tank. An anti siphon ball ** contains an anti siphon device in the form of an approved air gap or vacuum breaker that is an integral part of the ball ** unit and that is positioned on the discharge side of the water supply control valve.

BASE FLOOD ELEVATION

A reference point, determined in accordance with the building code, based on the depth or peak elevation of flooding, including wave height, which has a I-percent (1OO-year flood) or greater chance of occurring in any given year.

BATHROOM

A room containing a bathtub or shower for use by a person to bathe or cleanse one's self, located in or adjacent to a residence, apartment, hotel, motel, or similar type building.

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