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Discuss Dishwasher Plumbing Query in the Fittings & Pipes area at PlumbersForums.net

L

Leemcr

Hi

Just trying to figure out if I have the required plumbing for a dishwasher. I had thought all was setup but someone has had a look and given me some doubts.

Couple of photos attached or the plumbing under the sink. Appears the bronze connector would be the water feed but I’m not actually sure how to get water from it, there doesn’t appear any stop valves on the lowest part of it.

Any input would be very helpful!

Thanks
 

Attachments

S

steadyon

1. It's brass, not bronze,
2. It's a drain off cock, not a dishwasher connection.
3. You need to replace the existing connector, which has the blue hose (washing machine?) attached to it and replace with something like Screwfix 24030. Then connect the washing machine to one outlet, and the dishwasher to the other. You will have to:
3a. Turn the water off at the mains first, or you'll get very wet.
3b. Unscrew the white ribbed nut to remove the washing machine hose. You'll get some residual water so bucket / old cloths.
3c. Unscrew the chrome nut attaching the valve to the pipework.
3d. Fit the new valve. You'll probably have to orient it with the outlets one above the other. You will probably get away with using the old chrome nut, which means you won't have to remove the olive which seals the valve to the pipe. If you can get at it (which I doubt) wrap a few turns of PTFE tape round the olive, not round the threads. This will help the new valve seat on the old olive. If inaccessible, a smear of Jetlube V2 on the mating face of the new valve where it seats on the olive might be helpful.
3e. Turn the valve off, i.e. plastic handle across the inlet, not parallel with it.
3f. Turn the mains on and make sure there are no leaks. Turn mains off again when OK.
3g. Connect the washing machine.
3h. Connect the dishwasher.
3i. Turn mains on again, open valve and check for leaks.
4. Replace the trap with a McAlpine WM11. You might be able to use the capped spigot in the top right hand corner of your photo, but I don't think so. Easier to replace the whole trap.
 
OP
L

Leemcr

1. It's brass, not bronze,
2. It's a drain off cock, not a dishwasher connection.
3. You need to replace the existing connector, which has the blue hose (washing machine?) attached to it and replace with something like Screwfix 24030. Then connect the washing machine to one outlet, and the dishwasher to the other. You will have to:
3a. Turn the water off at the mains first, or you'll get very wet.
3b. Unscrew the white ribbed nut to remove the washing machine hose. You'll get some residual water so bucket / old cloths.
3c. Unscrew the chrome nut attaching the valve to the pipework.
3d. Fit the new valve. You'll probably have to orient it with the outlets one above the other. You will probably get away with using the old chrome nut, which means you won't have to remove the olive which seals the valve to the pipe. If you can get at it (which I doubt) wrap a few turns of PTFE tape round the olive, not round the threads. This will help the new valve seat on the old olive. If inaccessible, a smear of Jetlube V2 on the mating face of the new valve where it seats on the olive might be helpful.
3e. Turn the valve off, i.e. plastic handle across the inlet, not parallel with it.
3f. Turn the mains on and make sure there are no leaks. Turn mains off again when OK.
3g. Connect the washing machine.
3h. Connect the dishwasher.
3i. Turn mains on again, open valve and check for leaks.
4. Replace the trap with a McAlpine WM11. You might be able to use the capped spigot in the top right hand corner of your photo, but I don't think so. Easier to replace the whole trap.
Thank you for this, it’s very helpful and I’m definitely out of my depth. Will get someone in now I know it needs a replacement connector.
 

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