Home>Discussions>PLUMBING>Okay to use flex water line instead copper pipe to dishwasher?
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bob1
Okay to use flex water line instead copper pipe to dishwasher?

We are replacing our dishwasher and the copper pipe to the dishwasher is too short. We don't want to hire a plumber to come and solder a five inch copper tube. We want to know if it is okay to use a braided flexible water line - like the ones under the faucet (from Home Depot)? Connect two or three of those if we need to (need about 36 inches). Thanks.

dj1
Re: Okay to use flex water line instead copper pipe to dishwasher?

They make flex lines to DWs and sell them at the stores. They come in 5 ft length. About $10.

HoustonRemodeler
Re: Okay to use flex water line instead copper pipe to dishwasher?

Get the kit from HD for DWs, it comes with the couplings to get the hose connected to the DW.

keith3267
Re: Okay to use flex water line instead copper pipe to dishwasher?

Last Saturday's rerun of Ask This Old House showed a flex line being used to install a dishwasher. If you look up this episode to watch it, I would make the following recommendation, hook the flex line and drain line up to the dishwasher first, then snake the lines in place as you push the dishwasher in place, then make the underhood connections. Its much easier than the the way they did it on the show where they made the connections to the dishwasher after they had it in place.

dj1
Re: Okay to use flex water line instead copper pipe to dishwasher?

Good point Keith - that's the way experienced appliance setters do it.

HoustonRemodeler
Re: Okay to use flex water line instead copper pipe to dishwasher?

Its a lot easier if you have someone pulling gently on the hoses and electrical cord whil the DW is being pushed into place.

keith3267
Re: Okay to use flex water line instead copper pipe to dishwasher?
HoustonRemodeler wrote:

Its a lot easier if you have someone pulling gently on the hoses and electrical cord whil the DW is being pushed into place.

True, but it can still be done by one person.

t_manero
Re: Okay to use flex water line instead copper pipe to dishwasher?

Lowe's has a 5 ft & 8 ft kit ($15 & $18) and comes with the inlet elbow (and a Whirlpool elbow).
I used the 8 ft to have more slack for working by myself, and in case of removal, forgeting to disconnect the supply.

How did you figured you're 5" short.

dj1
Re: Okay to use flex water line instead copper pipe to dishwasher?

How did you figured you're 5" short.[/QUOTE]

If you move a dishwasher away from the sink, you'll need a longer water supply line and a waste line.

Also, not all dishwashers have their inlet water supply exactly at the same spot.

johnjh2o
Re: Okay to use flex water line instead copper pipe to dishwasher?
dj1 wrote:

How did you figured you're 5" short.

If you move a dishwasher away from the sink, you'll need a longer water supply line and a waste line.

Also, not all dishwashers have their inlet water supply exactly at the same spot.[/QUOTE]

Not all but most are on the front left.

John

dj1
Re: Okay to use flex water line instead copper pipe to dishwasher?

John,

True. I've never seen a dishwasher with the inlet on the right side. But since the exact location of the inlet varies slightly between the different washers, I can see how a custom copper tube won't fit a new dishwasher.

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