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HI Thanks from the reply from ollski and Weargas just the answer i needed to know,as i previously mentioned it is just a question i thought to ask as to why it cannot be tested at 20mbar nothing more,i didn't state i was on gas installation job. Kevplumb just thought i let you know this was my...

It is a just a question of some explanation why the second method cannot be used. thanks

Hi Guys When testing for a gas leak on pipe work on a gas meter using a manometer,ive read that you need to allow 2-4mbar through the Manometer using the main gas cock than shut,if slow rise in pressure,indicates main gas cock is letting through.If o.k than open valve and allow pressure to 20...

Do you tear off the tape at the end of the fitting each time and start again or do you continue to go backwards clockwise for the amount of turns needed. Thanks.

Hello again, still a bit confused kevplumb says at the start of fitting from right to left,and namsag says from left to right of fitting or is it irrelevant. Thanks again guys

Hello, what is the correct way to to wrap ptfe around a threaded male fitting, in some plumbing books it says clockwise and others it says anti-clockwise.Also how many wraps of ptfe are needed around the fitting that goes into the bottom of the radiator ,the tool used for the fitting is called...