Access Panel
An access panel is a covered opening in a wall or ceiling near a fixture that allows access for servicing a plumbing or electric system.
ABS Pipe
Acrylonitrile Butadiene Styrene (ABS) Pipes are rigid plastic pipes with superior range of performance values used for drain, waste, and vent lines.
Adaptor Fitting
An Adaptor is a fitting that joins two different types of pipe together, or joins threaded to non-threaded pipe ends, such as ABS to cast-iron, or threaded to non-threaded.
Air Admittance Valve
An Air Admittance Valve is a device that replaces a traditional vent to allow air to enter the pipe and equalize pressure, preserving the seal of water in the fixture trap.
Air Gap
An Air Gap is a device mounted at the back of a kitchen sink, connecting to the drain line between a dishwasher and disposer to allow the dishwasher to discharge freely into the disposer while preventing contaminated water from siphoning back into the dishwasher.
Anti-Scald Valve
An Anti-Scald Valve is a shower mixing valve that automatically maintains balance between incoming hot and cold water supplies by immediately regulating fluctuations in pressure. As a result, temperature remains constant, though the outlet pressure may drop. Also called pressure-balanced valve.
