Thorfun Posted October 8, 2023 Share Posted October 8, 2023 greetings. I am using hep2o 90° tap connectors to connect my toilet cisterns to the water supply. they come with a rubber washer and I can't figure out what it's for! can anyone shed any light please? it's the bit with the red arrow pointing to in the image below: Link to comment Share on other sites More sharing options...
joe90 Posted October 8, 2023 Share Posted October 8, 2023 (edited) “The reason for the two washers is to cover all types of tap tails, some have a square end (flat washer) others have a tapered internal bore (tapered washer).” Edited October 8, 2023 by joe90 2 1 Link to comment Share on other sites More sharing options...
Thorfun Posted October 8, 2023 Author Share Posted October 8, 2023 so how does one know when it's required? Link to comment Share on other sites More sharing options...
joe90 Posted October 8, 2023 Share Posted October 8, 2023 22 minutes ago, Thorfun said: so how does one know when it's required? 40 minutes ago, joe90 said: , some have a square end (flat washer) others have a tapered internal bore (tapered washer).” Look at the tap end you are connecting too Link to comment Share on other sites More sharing options...
Thorfun Posted October 8, 2023 Author Share Posted October 8, 2023 (edited) 17 minutes ago, joe90 said: Look at the tap end you are connecting too errr....there's no washer I can see! have I used the wrong connector? or do I just ignore that rubber washer as it's not required in this situation? ps. I used Loctite 55 as I prefer it to PTFE Edited October 8, 2023 by Thorfun added the Loctite bit Link to comment Share on other sites More sharing options...
joe90 Posted October 8, 2023 Share Posted October 8, 2023 (edited) That’s tapered as far as I can see so the spare washer is not required. The tapered rubber washer on the connector fits in the tapered end on the tap. Lock tite or PTFE is not required as the thread is not relied on to give a seal like an olive. I see so many people put ptfe tape on threads when not required 🤷♂️ Edited October 8, 2023 by joe90 Link to comment Share on other sites More sharing options...
Thorfun Posted October 8, 2023 Author Share Posted October 8, 2023 11 minutes ago, joe90 said: That’s tapered as far as I can see so the spare washer is not required. The tapered rubber washer on the connector fits in the tapered end on the tap. Lock tite or PTFE is not required as the thread is not relied on to give a seal like an olive. I see so many people put ptfe tape on threads when not required 🤷♂️ thank you. I didn't know it didn't need tape! it can't hurt though, right? Link to comment Share on other sites More sharing options...
joe90 Posted October 8, 2023 Share Posted October 8, 2023 9 minutes ago, Thorfun said: thank you. I didn't know it didn't need tape! it can't hurt though, right? Just a waste of time, if the thread leaks the rubber washer has failed. Link to comment Share on other sites More sharing options...
Thorfun Posted October 8, 2023 Author Share Posted October 8, 2023 27 minutes ago, joe90 said: Just a waste of time, if the thread leaks the rubber washer has failed. ok. but not worth wasting more time undoing it and taking it off again! 😉 1 Link to comment Share on other sites More sharing options...
joe90 Posted October 8, 2023 Share Posted October 8, 2023 Probably not, just smacks of “bodge” to me 1 Link to comment Share on other sites More sharing options...
ProDave Posted October 8, 2023 Share Posted October 8, 2023 Tap connectors are supposed to be a square edge. If you need the tapered one, you are probably joining onto a fitting that is supposed to have a nut and an olive? @Nickfromwales ? Link to comment Share on other sites More sharing options...
joe90 Posted October 8, 2023 Share Posted October 8, 2023 8 minutes ago, ProDave said: supposed to have a nut and an olive? Makes sense but why does the hep connector have a tapered o ring? Common Nick, where are you when we need you? Link to comment Share on other sites More sharing options...
ProDave Posted October 8, 2023 Share Posted October 8, 2023 Every "tap" I have joined to, which includes the inlet to say a WC fill valve has had a flat end and so would need the flat washer in this case. So I don't know why they would fit the tapered one as the default. A proper plumber will be along I am sure to advise. Link to comment Share on other sites More sharing options...
Thorfun Posted October 8, 2023 Author Share Posted October 8, 2023 help us Obi-wan-@Nickfromwales. you're our only hope. 1 Link to comment Share on other sites More sharing options...
Thorfun Posted October 8, 2023 Author Share Posted October 8, 2023 2 hours ago, joe90 said: Probably not, just smacks of “bodge” to me Always wanted to start a company called "Bodge-it and Leg-it". think it sums up my plumbing skills to be honest Link to comment Share on other sites More sharing options...
Pocster Posted October 9, 2023 Share Posted October 9, 2023 Leaky leak ☺️ Link to comment Share on other sites More sharing options...
Thorfun Posted October 9, 2023 Author Share Posted October 9, 2023 2 minutes ago, Pocster said: Leaky leak ☺️ that's just old age 1 Link to comment Share on other sites More sharing options...
Pocster Posted October 9, 2023 Share Posted October 9, 2023 11 minutes ago, Thorfun said: that's just old age Still confused on why any copper . Admit you definitely don’t want compression fitting on a hep20 - it can fail for certain . With all the plumbing I did no compression fittings or copper …. Link to comment Share on other sites More sharing options...
Thorfun Posted October 9, 2023 Author Share Posted October 9, 2023 2 minutes ago, Pocster said: Still confused on why any copper . Admit you definitely don’t want compression fitting on a hep20 - it can fail for certain . With all the plumbing I did no compression fittings or copper …. i'm only using copper where it will be visible and where it is needed. for example on my plumbing thread i need a wall plate connection for the shower head. looks like the hep2o version is now plastic so i don't trust that. so will convert to copper (either pushfit or compression) for that connection. but as you can see on that thread from my iBox install it's hep2o all the way! Link to comment Share on other sites More sharing options...
Pocster Posted October 9, 2023 Share Posted October 9, 2023 25 minutes ago, Thorfun said: i'm only using copper where it will be visible and where it is needed. for example on my plumbing thread i need a wall plate connection for the shower head. looks like the hep2o version is now plastic so i don't trust that. so will convert to copper (either pushfit or compression) for that connection. but as you can see on that thread from my iBox install it's hep2o all the way! Fair enough reason . Personally I hate any pipe work anywhere visible . 1 Link to comment Share on other sites More sharing options...
Nickfromwales Posted October 9, 2023 Share Posted October 9, 2023 19 hours ago, ProDave said: Tap connectors are supposed to be a square edge. If you need the tapered one, you are probably joining onto a fitting that is supposed to have a nut and an olive? @Nickfromwales ? The Hep2o tap connector is what I use on these, and the spare / alternative ‘square’ washer goes in the bin. Sorry to be late to the party, just crazy busy atm. 1 Link to comment Share on other sites More sharing options...
Nickfromwales Posted October 9, 2023 Share Posted October 9, 2023 20 hours ago, Thorfun said: errr....there's no washer I can see! have I used the wrong connector? or do I just ignore that rubber washer as it's not required in this situation? ps. I used Loctite 55 as I prefer it to PTFE Use zilch here, these go on dry, or the rubber washer displaces and you are Donald Ducked. Link to comment Share on other sites More sharing options...
Thorfun Posted October 9, 2023 Author Share Posted October 9, 2023 (edited) 1 minute ago, Nickfromwales said: Use zilch here, these go on dry, or the rubber washer displaces and you are Donald Ducked. do i undo and take off the Loctite 55 tape? don't want @joe90 to accuse me of being a bodge again. 🤣 Edited October 9, 2023 by Thorfun 1 Link to comment Share on other sites More sharing options...
Nickfromwales Posted October 9, 2023 Share Posted October 9, 2023 37 minutes ago, Thorfun said: do i undo and take off the Loctite 55 tape? don't want @joe90 to accuse me of being a bodge again. 🤣 If the rubber isn’t covered with it then you’re ok, but I never ‘lube’ these up as the idea is for the rubber to take against the brass and stay put. Link to comment Share on other sites More sharing options...
Thorfun Posted October 9, 2023 Author Share Posted October 9, 2023 4 minutes ago, Nickfromwales said: If the rubber isn’t covered with it then you’re ok, but I never ‘lube’ these up as the idea is for the rubber to take against the brass and stay put. what rubber?! 1 Link to comment Share on other sites More sharing options...
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