Kitchen Island Plumbing Loop

In situations like martha s kitchen island where you simply can t install a traditional vent pipe that is hidden behind the plumbing fixtures the best solution is a traditional loop vent.

Kitchen island plumbing loop. You don t have the luxury of hiding drain pipes and vents inside the wall. Plumbing for a kitchen island sink isn t as simple as installing a sink against the kitchen wall. Everything needs to be contained within the island itself. Common at kitchen islands.

Putting a sink in an island in the middle of the kitchen presents some plumbing challenges. Jul 25 2014 loop vent plumbing. We show two methods of properly venting the drain an island loop vent and an air admittance valve so that waste water flows smoothly without clogging. Venting the plumbing in an island sink.

A loop vent is an essential element of kitchen island plumbing. To have a large sink that drains properly you need to keep in mind some basic plumbing principles. Generally the venting for a sink goes upward in the wall while the drain water flows downward towards the floor but in an island going up is not an option. The good news is that installing the water supplies to your faucets is done in exactly the same way with an island sink as it is with a standard sink located adjacent to a wall.

Plumbing an island sink is tricky. The only difference would be that a sink s water pipes will. The code specifies loop venting for kitchen islands and lavatories only so they aren t replacements for toilet vents or vents for other fixture drains such as clawfoot bathtubs or stand alone shower stalls. We passed inspections plumbing electrical footing framing and gas water heater in other developments.

Connects drain to the stack vent. With it some exceptions to standard plumbing rules are loosened for the sake of kitchen design. This island loop which first appeared in the uniform plumbing code in 1958 was later recognized in most other model plumbing codes and has remained largely unmodified throughout the years. A vent connects to the trap arm within the standard limitations but rather than rise through the roof.

We show two methods of properly venting the drain an island loop vent and an air admittance valve so that waste water flows smoothly without clogging.