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Jan 5, 2018
59
6
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53
Bognor Regis
Member Type
DIY or Homeowner
Hi all,

2 things if that's ok?

Firstly what do most people use to tighten the connectors on a vented cylinder? the insulation is so thick the connector is in a tunnel of approx 1 1/2 - 2 inches deep so impossible to get a spanner in there without removing loads of insulation? I may have to drain the cylinder again as I have a weeping connector, I thought about using a socket on the connector but obviously now there is a pipe connected I can't.

Secondly the joint was leaking to a point that it soaked a hand towel I left underneath it overnight for me to continue this morning but it looks like the leak has stopped? I used Thernox Jointing compound could this have warmed and sealed overnight or am I being too hopeful!
 
Thanks for the reply, I have tried a selection of 5 spanners that will fit and none of them can reach that far into the void, I have much more blue insulation on this cylinder compared to my old one, I guess I will drain down clean and refit with a deep socket if still no luck then I will have to chip away at the insulation!
 
Cut some of the insulation tapering outwards from the fitting.
If it is compression joint and with standard threads, use a compression connector or elbow fitting to compress the olive. Make certain fitting same distance onto pipe as cylinder fitting!
Then just paste the olive and tighten onto cylinder using an open spanner.
You could remove a round piece of insulation from around the fitting and then push it back in later, if you really have to.
 

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