03330 112 112
Cookie Reports - Screwfix Cookie Policy


Overflow Waste Pipe 21.5mm 10 x 3m Pack of 10

Product Code: 18180

30m Pack (10 x 3m). A 21.5mm solvent weld overflow system in white uPVC. No expansion gap required on the solvent weld overflow system. Apply solvent cement evenly to both surfaces of joint, insert pipe fully in the socket depth and remove surplus cement with a cloth. Allow five minutes to set before handling and twelve hours before testing the system. Ensure that the pipe is cut square, all swarf removed and cleaning fluid applied to both surfaces of joint. Manufactured to BS 6700.

View more information

Product contents:
30m (10 x 3m lengths).



QtyPrice per pack
1 - 2 £13.40
3 + £12.05

Add to saved list

Available for deliveryNext Day Delivery
Available for collection from store Store Collection Check stock in your store
Page 1 of 4
Page 1 of 4
Rated 5 out of 5 by It's plastic pipe What is there to say? It's fine. It's pipe. Stuff comes in one end and goes out the other without leaking form the middle. 1 Jun 2015
Rated 5 out of 5 by Insulation Just a quick note. Please ensure you insulate this pipe - or ANY 21.5mm condense pipe for that matter... As it's so small, if it goes outside and the weather freezers... It will freeze back upto your boiler and stop your boiler working - well until you unfreeze it.... I've had this happen in Hampshire... It's not just a northern thing ! It would be nice if they did this in black 27 Apr 2015
Rated 5 out of 5 by Does what it says... It's reasonablly priced, it works. Not much more to say really, it's just plastic pipe, just wanted to balance the odd previous review that gave it the lowest star rating but said it was 'marvellous'. I have used this overflow for about five years for condensate for boilers as well as wc overflows etc. Fittings fit well, pipe is fairly flexible and doesn't seem to suffer from premature uv failure. 22 Apr 2009
Rated 1 out of 5 by Wonderful I use this when I wish to drain flued away from a connector designed to accept a 21.5mm plastic pipe. Works every time. Marvelleous. 15 Dec 2008
  • 2016-02-05 T06:08:14.310-06:00
  • bvseo_lps, prod_bvrr, vn_prr_5.6
  • cp-1, bvpage1
  • co_hasreviews, tv_4, tr_4
  • loc_en_US, sid_18180, prod, sort_default
1-4 of 4


Brand FloPlast
Colour White
Connection Type Solvent Weld
Model No OS1W
Pack Size 10
Product Diameter 21.5 mm
Product Length 3 m
Product Type Overflow Waste Pipe
Total Product Weight 3.18 kg