Ask The Trades - Kitchen sink waste

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Kitchen sink waste (Read 3110 times)

angler GDPR opt-out	Kitchen sink waste May 19^th, 2007, 4:42pm Hi I have just fitted a new kitchen waste outlet to my sink. It has a banjo unit for the overflow that has two plastic sealing washers. Unfortunately water appears to be leaking down the screw threads past the back nut. How do you seal these things ?
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CWatters Super Member Offline "Daddy fick it" says James Posts: 5150 Total Thanks: 58 For This Post: 0 Gender:	Re: Kitchen sink waste Reply #1 - May 20^th, 2007, 8:59am Is it a cast iron/enamel sink? Sometimes the finish on the outside of the sink is quite rough. Have to use a soft rubber washer instead of plastic or some silicon to seal.
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angler GDPR opt-out Total Thanks: 58 For This Post: 0	Re: Kitchen sink waste Reply #2 - May 20^th, 2007, 6:02pm The sink is acrylic or similar and the seal at that end is ok. I think I need to coat the threads with silicone or something before I tighten the nut up.
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sparky415 Trade Member Offline Its more complicated than I first thought Posts: 679 Total Thanks: 0 For This Post: 0 Gender: Trade: Electrician	Re: Kitchen sink waste Reply #3 - May 20^th, 2007, 6:14pm Angler, Are the things tight enough? Sometime a ¼ of a turn will fix a leak (one of mine got adjusted with kitchen sealer years ago and its still ok if you want to bodge it) If not Im sure a plumber will be along in a while You did put the thing together properly? Sometimes the plastic washer things only go one way round
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thescruff Global Moderator Trade Member Author Offline Who said plumbing was easy. Posts: 6037 Total Thanks: 147 For This Post: 0 Gender: Trade: Plumber	Re: Kitchen sink waste Reply #4 - May 20^th, 2007, 9:57pm Take the waste out of the sink and dry it with an hair drier. Apply a small bead of silicon around the flange of the waste and reasemble, not forgetting the washer on the bottom of the sink only.
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