DISCOVERYIII Posted September 28, 2019 Share Posted September 28, 2019 Hello everyone, I'm looking for a ready made pipe reducer to take the 40mm grey waste drain down to a 1" pipe. I can't for the life of me find something, but could always make one up in fibreglass. Does anyone know of a supplier ? Thanks Richard. Link to comment Share on other sites More sharing options...
thebishbus Posted September 28, 2019 Share Posted September 28, 2019 40 mm to 25 mm Try these Burscough Aquatics tel 01704 895880. More on Google. Brian B ps Welcome to the Forum. Link to comment Share on other sites More sharing options...
Robinhood Posted September 28, 2019 Share Posted September 28, 2019 ....CAK Tanks are the usual suspects. Couldn't for the life of me find one on their site, but they have an eBay listing. https://www.ebay.co.uk/itm/Hose-Joint-Adaptor-40mm-to-25mm-Reducer-Flexible-Water-Hose-connector-/282853941248 (I'm sure a bit of searching would find alternatives). Link to comment Share on other sites More sharing options...
witzend Posted September 28, 2019 Share Posted September 28, 2019 Welcome to the forum DISCOVERYIII - 2019-09-28 8:27 AM I'm looking for a ready made pipe reducer to take the 40mm grey waste drain down to a 1" pipe. Richard. Most people wish they had a 40mm drain or end up enlarging a 25mm to 40mm Link to comment Share on other sites More sharing options...
747 Posted September 28, 2019 Share Posted September 28, 2019 Waste pipe is available in 1.25" (30 mm) so you should be able to get an adaptor in those sizes. Waste pipe is generally thin wall as it should never be under pressure, so I doubt you will easily find it in 25 mm. Link to comment Share on other sites More sharing options...
Derek Uzzell Posted September 29, 2019 Share Posted September 29, 2019 A Google search on “40mm waste pipe to 25mm reducer” retrieves lots of potential options. For example https://plumbing4home.com/polypipe-boss-pipe-rubber-connector-pushfit-waste-adapter-reducer-white-40mm-x-25mm/ It really depends on what Richard’s objective is - if he wants the ‘reducer’ to be permanently fixed to the 40mm waste-pipe or to be easily removable - and what the purpose of the 25mm reduction is. If (say) a rigid 25mm waste-pipe were to be attached to the reducer (though I can’t think why one might do this) or if a 25mm extension is to be fitted temporarily if the need arises, the design of the reducer will differ in each case. Link to comment Share on other sites More sharing options...
DISCOVERYIII Posted September 29, 2019 Author Share Posted September 29, 2019 Thanks all, a great help. Link to comment Share on other sites More sharing options...
Derek Uzzell Posted September 30, 2019 Share Posted September 30, 2019 Richard My Rapido’s waste-water tank has a large-bore drain valve of the type shown in the attached photo and it’s evident that the valve’s outlet has the potential for an extension to be attached to it. However, doing this would require either directly connecting a large-bore hose to the outlet, or using a smaller-bore hose with some sort of ‘reducer’ between the outlet and the hose. I’ve never felt a need to add a waste-tank drain extender to my Rapido motorhome, but the idea has been occasionally enquired about here (a couple of examples) https://forums.outandaboutlive.co.uk/forums/Motorhomes/Motorhome-Matters/Waste-water-anyone-used-an-RV-sewer-hose-support-system-/52149/ https://forums.outandaboutlive.co.uk/forums/Motorhomes/Motorhome-Matters/Extension-for-Grey-Waste-Pipe/16957/ It’s quite possible that you want a reducer for a completely different purpose, and that how you plan to use it for would be of interest to many forum-members. So it would be useful if you could say, please, why you need a 40mm-to-25mm pipe-reducer. Link to comment Share on other sites More sharing options...
Geeco Posted October 1, 2019 Share Posted October 1, 2019 Attached is an image of the grey water outlet adapter on my Auto-trail. It is a interference fit over the outlet that I believe is 100mm to allow a 25mm waste hose to be connected. It was fitted by the dealer locally (AU) and is branded Neta a local supplier of various types of hose and fittings. If this is what you are looking for you may find it in one of the stores that offer drainage components. Link to comment Share on other sites More sharing options...
DISCOVERYIII Posted October 2, 2019 Author Share Posted October 2, 2019 I'm being lazy and want to extend a hose directly to a site drain. They never seem to be near the outlet when you park as you are supposed to. Link to comment Share on other sites More sharing options...
Will86 Posted October 3, 2019 Share Posted October 3, 2019 Look under Neter pipe reducers, plenty there Link to comment Share on other sites More sharing options...
Derek Uzzell Posted October 3, 2019 Share Posted October 3, 2019 I think you mean “Neta” - mentioned by Gary (geeco) earlier - but I’m not sure if Neta products are marketed in the UK. Given what Richard wants to use the reducer for, the item Robinhood refers to in his posting of 28 September 2019 9:00 AM above (and described on the ebay advert as a "Hose Joint Adaptor 40mm to 25mm Reducer Flexible Water Hose connector”) would appear to fit the bill (Image attached below) A 2-metre extension hose is offered on-line https://tinyurl.com/y2gougkp but I don’t know if it would meet Richard’s requirement. Link to comment Share on other sites More sharing options...
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