Plumbing in the sink

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May 8, 2004 at 10:43 pm #5344
emigrant	I have now reached the stage of fitting the sink – having worked out the snake-charmers nest of how the waste pipes connect, and re-plumbing to go from 1/2″ to 15mm copper, with isolators, and to a single tap instead of 2 separate ones (!), what should I do when putting the drainers into the stainless steel sinks? There are rubber washers to go below the bowls (with a ‘V’ shape, the bottom of the ‘V’ to go furthest from the bowl, but I do not know if I should use anything like Boss-white between the bowl and the drain – in other words on the upper, bowl side where the bright metal drainer contacts it?
May 9, 2004 at 11:17 am #5345
timfoley	Emigrant, Apply silicone sealant to the sink prior to fitting the waste. Remove excess after tightening the upper waste screw. Boss white is a jointing compound not to be used with plastic. It’s best application is for compression joints to copper pipe where a smear of it around an olive will ensure water tightness of the joint. Some swear by PTFE in this application but I always apply Boss White. A little off subject but nevertheless worthwhile remembering.
May 10, 2004 at 10:44 am #5347
emigrant	Thanks Tim – I was wondering about the silicone (saw Jordan on tv, maybe that started a strange thought line!!). On another previously queried tack – I did get some 1/2″ to 15mm Yorkshire fittings from my local Plumb Centre, which saved a bit of messing about, but where I was connecting isolators (compression) found that they were a perfect fit on the 1/2″ side – in fact the 15mm side needed a bit of a tweak to get a tight joint!