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Discuss Radiator valve with no flange? in the Plumbing Jobs | The Job-board area at PlumbersForums.net

Jon

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13
Hi. Very much a DIY’er but I’m installing a new radiator and just a bit concerned that when I’m screwing in the inlet valve to the radiator, the fitting that goes into the radiator thread has no sleeve to tighten it up to. As shown in the photo it would just keep screwing into the radiator, is that right?

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It should be a taper thread (male fitting) so it tightens into the female. However, there are a lot of foreign radiators that have too slack a female thread. This is found a lot on designer rads and towel warmers in my experience.
I would use loctite 55.
Others will have their own ideas.
 
Hi. Very much a DIY’er but I’m installing a new radiator and just a bit concerned that when I’m screwing in the inlet valve to the radiator, the fitting that goes into the radiator thread has no sleeve to tighten it up to. As shown in the photo it would just keep screwing into the radiator, is that right?

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That looks like a taper thread anyway so ptfe or splodge Will do ...green splodge fir drinking water, yellow splodge gas white splodge steam etc. But ptfe for moi , or silly con Rob Foster aka centralheatking
 
It should be a taper thread (male fitting) so it tightens into the female. However, there are a lot of foreign radiators that have too slack a female thread. This is found a lot on designer rads and towel warmers in my experience.
I would use loctite 55.
Others will have their own ideas.
My woman just hates slack male fittings esp foreign ones that have no taper
 
Thanks very much, also I’m guessing the olive will compress around the chrome length at the opposite end of thread, as at the moment before using tools it’s really loose even done up by hand?
 
Thanks very much, also I’m guessing the olive will compress around the chrome length at the opposite end of thread, as at the moment before using tools it’s really loose even done up by hand?
Your learning we might make a heating engineer of you yet ⚒
 
Hi. Very much a DIY’er but I’m installing a new radiator and just a bit concerned that when I’m screwing in the inlet valve to the radiator, the fitting that goes into the radiator thread has no sleeve to tighten it up to. As shown in the photo it would just keep screwing into the radiator, is that right?

View attachment 34971

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View attachment 34974
13 wraps of ptfe, why 13. The first one I did I wrapped it about 4 times and it leaked. I asked a plumber who said he wrapped it 13 times because his brother who was a plumber taught him that and he'd never had one leak. Make sure you wrap it the correct way so that it doesn't force itself off when you are screwing it in.
 
What ugly valves for a designer radiator. Would have had them coming out the wall as well rather than from the floor.
 

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