Plumbing Dictionary
Plumbing termonalogy.
Browse the glossary using this index
Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL
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HOUSE PIPINGSee BUILDING PIPING |
HOUSE TRAPSee "Building trap." |
I |
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IGNITION PILOTA pilot that operates during the lighting cycle and discontinues during main burner operation. |
INCINERATOR, DOMESTIC GAS-FIREDA domestic appliance used to reduce combustible refuse material to ashes and which is manufactured, sold and installed as a complete unit. |
INDIRECT WASTE PIPEA waste pipe that does not connect directly with the drainage system, but that discharges into the drainage system through an air break or air gap into a trap, fixture, receptor or interceptor. |
INDIVIDUAL SEWAGE DISPOSAL SYSTEMA system for disposal of domestic sewage by means of a septic tank, cesspool or mechanical treatment, designed for utilization apart from a public sewer to serve a single establishment or building. |
INDIVIDUAL VENTA pipe installed to vent a fixture trap and connects with the vent system above the fixture served or terminates in the open air. |
INDIVIDUAL WATER SUPPLYA water supply, except an approved public water supply, that serves one or more families. |
INFRARED RADIANT HEATERA heater which directs a substantial amount of its energy output in the form of infrared radiant energy into the area to be heated. Such heaters may be of either the vented or unvented type. |
INTERCEPTORA device designed and installed to separate and retain for removal, by automatic or manual means, deleterious, hazardous or undesirable matter from normal wastes, while permitting normal sewage or wastes to discharge into the drainage system by gravity. |
INTERMITTENT PILOTA pilot that operates during the ignition cycle and continues during main burner operation, but is shut off at other times. |
IRON PIPE SIZENow refered to as NPT in most applications. IPS stand for Iron Pipe Size, although most pipe is no longer iron. Both NPT and IPS refer to a the typical standard measure for threaded pipe with a tapered thread. |
J |
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JOINT - ExpansionA loop, return bend or return offset that provides for the expansion and contraction in a piping system and is utilized in tall buildings or where there is a rapid change of temperature, as in power plants, steam rooms and similar occupancies. |
JOINT - FlexibleAny joint between two pipes that permits one pipe to be deflected or moved without movement or deflection of the other pipe. |
JOINT - MechanicalSee "Mechanical joint." |
JOINT - SlipA type of joint made by means of a washer or a special type of packing compound in which one pipe is slipped into the end of an adjacent pipe. |
JOINT, PLASTIC ADHESIVEA joint made in thermoset plastic piping by the use of an adhesive substance which forms a continuous bond between the mating surfaces without dissolving either one of them. |
JOINT, PLASTIC HEAT FUSIONA joint made in thermoplastic piping by heating the parts sufficiently to permit fusion of the materials when the parts are pressed together. |
JOINT, PLASTIC SOLVENT CEMENTA joint made in thermoplastic piping by the use of a solvent or solvent cement which forms a continuous bond between the mating surfaces. |
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LABELEDDevices, equipment or materials to which have been affixed a label, seal, symbol, or other identifying mark of a nationally recognized testing laboratory, inspection agency or other organization concerned with product evaluation that maintains periodic inspection of the production of the above labeled items and by whose label the manufacturer attests to compliance with applicable nationally recognized standards. Equipment, devices, fixtures or materials bearing the label of an approved agency. |