Pipe which carries rainwater from the gutter to a lower level, typically terminating at ground level.

drip edge: a piece of flashing typically installed at the bottom edge of the roof or other horizontal edge of the exterior; it is intended to direct water away from the building materials below its installation.

DWV: acronym for drain, waste and vent. The plumbing system of pipes that drains waste from the plumbing fixtures in the home and vents sewer gases to the exterior.

eave: the bottom part of a roof that extends past the exterior wall. Depending on the style of the home, the eave often includes the facia and soffit areas.

effluent: the liquid waste component produced by a home’s septic system. Depending on where the home is located, it may drain to a ditch, canal or body of water, it may leach into the soil through a series of buried, perforated pipes, or it may be broadcast over an area of soil by a sprinkler system.

escutcheon plate: in the home, it is a decorative flange, usually made of metal, that is used as decoration and to hide the hole in a wall or other surface, through which a plumbing pipe passes.

In an AC system, a device which turns liquid freon into its gaseous form (evaporation), allowing it to absorb heat from the building air and causing excess moisture in the air to condense on the evaporator coils, so it can be removed from the air.

fascia: the vertical board at the edge of the eave. It is fastened to the bottom ends of the roof rafters and is often used to support the gutters.

fill valve: the valve assembly that sits on top of the (typically) tall pipe inside of the toilet tank, it is responsible for refilling the toilet tank after each flush. Over time, the components of the fill valve become worn, allowing water to splash and (eventually) leak continuously.

Materials (typically drywall) installed between two areas to help slow the spread of fire from one side of the wall to the other. Typically used to separate attached garages from the main structure and separate multiple unit properties from their adjacent units.