How far can you extend a dishwasher drain hose?

between 10 and 12 feet





Mike Casey, a licensed plumbing contractor and co-author of Code Check Plumbing, responds: Most dishwashers come from the factory with a 6-foot 6-inch drain hose, and nearly all manufacturers allow this hose to be extended to a maximum total length of between 10 and 12 feet.

How do I extend my dishwasher drain line?

To extend a dishwasher drain hose, you must:

  1. Cut off power to the dishwasher for safety.
  2. Locate and loosen the drain pipes.
  3. Connect existing drain duct and extension hose using a two-way coupling.
  4. Finish connecting the pipes and extension hose using a barb union.
  5. Tighten all connections and tidy up.
  6. Test your work.


Can you splice a dishwasher drain hose?

Splicing Plastic Dishwasher Pipe



Family Handyman recommends using mission couplings and plastic couplings to splice drain pipes and says these can work on cast iron, ABS and PVC. Mark your cutting points on the old pipes, making them 1/2 inch larger than the replacement pipe.

How do I extend the drain hose on my LG dishwasher?





Quote from the video:
Quote from Youtube video: And feed the short end towards the drain pump attach the new vent tube to the water inlet and secure it with the clamp.

How long can a water line be for a dishwasher?

use a new drain hose with a maximum length of 12 ft (3.7 m) that meets all current AHAM/IAPMO test standards, is resistant to heat and detergent, and fits the 1″ (2.5 cm) drain connector of the dishwasher.

Can we extend the inlet pipe of a dishwasher?

No need to remove the original Inlet Hose Pipe and this can be fitted as extension to the existing pipe. Compatible to all brands of Washing Machines available in India., This Same pipe can also be used for feed water to Aquarium, Dishwasher, or many water Wash Applications.

How long can a washing machine drain hose be?

Washing machine manuals typically specify a minimum height of 39” for the entry of the drain hose into the standpipe or faucet box, and a maximum height of 96” (8 feet).

Can you extend washing machine inlet hose?



You can buy supply hoses in lengths up to 96 inches, which you can attach to your existing hoses with 3/4-inch hose thread connectors. Lengthening the drain hose isn’t difficult, because you can buy a drain hose extension that simply clamps onto the end of your existing hose.

How do you connect two drain hoses together?

Quote from the video:
Quote from Youtube video: Next install the extension hose with adapters between the original hose. And drain then tighten clamps reinstall drain hose with the extension. Into the home's drain.

Can you extend LG washer drain hose?

Spares2go Drain Hose Extension For Lg Washing Machine (2.5M, 18Mm / 22Mm) This hose has an integrated adapter helping to avoid unwanted leaks by cutting down the number of push fit connections.

How far away can dishwasher be from sink?



How Far Can a Dishwasher be From the Sink? Most dishwashers can be placed as far as 12 feet from the sink. This maximum is established by the length of the drain hose that is included with most dishwashers.

Why are dishwasher drain hose corrugated?

This corrugated hose prevents the drain line from kinking. If necessary, the drain hose can be extended by a maximum of 5 feet.

How long should my dishwasher drain hose be?

Quote from the video:
Quote from Youtube video: It is measure the height at the highest point it should reach at least 32 inches above the floor of the room.

How do you connect two dishwasher supply lines?

Quote from the video:
Quote from Youtube video: Using one wrench to stabilize the stop and the other to tighten the connection wrench tighten one half turn after the nut begins to hold or fight thread both connectors onto the valve.

What is a high loop for a dishwasher?



A high loop is a method of backflow prevention where the drain line runs from the dishwasher to the highest point beneath the sink. The loop is affixed to the underside of the counter with a bracket, then drains down into the garbage disposal or sink drain.

Does dishwasher drain hose need high loop?

Although new dishwashers come from the manufacturer with the drain looped up at the side of the dishwasher, every installation manual still requires this high loop underneath the sink.

Should a dishwasher drain hose be looped?

The high loop is necessary for 2 reasons. The first is to ensure proper drainage of waste water during the drain cycle and prevent siphoning. The second is to prevent contaminated water from the garbage disposal or sink drain from back-flowing into the dishwasher.

What size is dishwasher drain hose?

½ inches



Size of the Dishwasher Drain Hose



The size of most dishwasher drain hoses is ½ inches. The rubber boot dishwasher drain hoses are attached to allow for several types of connections at the hose end. This lets them connect to ½-inch, ¾ inch, and 1-inch connections.

Are dishwasher drain hoses Universal?

Application – DWDH78 drain hose can be used on most brands of dishwashers. Cutting hose at barb allows the hose to adapt to the newer Whirlpool/Kenmore machines. Purpose – This universal dishwasher drain hose can be used to connect many brands of dishwashers to the drain.

How does a high drain loop work?

A high loop prevents waste water back flowing from your sink to your dishwasher. If the drain hose is not elevated, there is a potential for water to run the wrong way through your drain hose and can cause standing water at the bottom of your dishwasher.