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Replacing old compression fittings

Postby Gordon White » Tue Jul 21, 2009 7:43 pm

I have a 25 year old central heating system, with 10mm microbore pipework and manual valves. I'm changing to Thermostatic Rad Valves and have hit a problem. I'm having difficulty removing the old brass compression rings from the pipe ends. Any tips on how to do this?
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Simply Build It

Postby acsimpson » Wed Jul 22, 2009 12:45 pm

Cut it diagonally with a junior hacksaw. Just be very carefull not to cut into the pipe, you should find you can get it off just before you finish sawing it.
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Postby htg engineer » Wed Jul 22, 2009 3:20 pm

Junior hacksaw, just be careful not to cut the pipe too.

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Postby uk_ducati » Wed Jul 22, 2009 7:40 pm


if you dont want to risk cutting all the way to the pipe another good method is just cut it as close to the pipe as poss and then using a flat blade screwdriver, insert it into saw groove just made and then twist. it snaps the olive off without damaging the pipe.

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