yea purge rig when the installation is done, but what i asked is before i solder in the tee how do i release the gas left in the pipework can any one else help please
To release gas left in pipework get a blowlamp, fire it up and point it into the pipe containing left over gas, this will ignite. blow up meter, half of house and yourself, if after this you can find your arms & hands, nose around in ashes to find piece of pipe, cut it, using a bit of wire wool, clean both ends, flux & solder, perfect!
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