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we brought a house, it had been empty for a few years it was a new build. It runs of LPG comunity gas tank and we could smell gas, there was a gas leak our plumber replaced pipes and caped old pipes did a drop test and it was fine. Our gas supplier also came out and changed our gas regulator and drop tested the gas and thats fine. He said the old heavy gas will ley around for some time and will smell but will go eventurally, is this correct? It has now been 4 weeks and the smell is as strong as ever any ideas?
Already Tried: had flogas round and my own plumber
In-depth knowledge of Electrical and Mechanical engineering services.
Hi there,
Interesting question!
You have had two competent persons carry out a tightness test on pipelines in use, so I would rule out that the live pipelines are leaking.
Where was the original gas escape from, pipeline underground or above?
If you're isolated from the Mains Gas Network, it's possible you're isolated from the Sewer Network also - you're not connected to a septic tank for your drains also are you? This is a common cause of false alarms, as the odours generated can be similar to LPG and naturally persistent.
The pipeline was above ground dont know what you mean about isolated from the mains gas network, the plumber isolated from the flogas system put new pipes in and re tested system three times and is satisfied that no leak from system, the flogas engineer tested the supply to the house and did his test and said that was fine, he even changed the regulator, I dont understand how the sewer network has anything to do with the gas network and how this can effect the smell, I can understand sewer smells and yes we are connected to a ring main digester but the houses next door dont have a sewer smell problem so why should we, we have checked the sewer drain outside and its very clean and does not smell at all so how can it smell so strong inside? I have just texed my plumber and he seems to be talking on the same sheet as you are but could you explain it a little more so that I understand why this should happen,
Experience: Registered Gas Installer
You're on LPG, therefore "isolated" (as in remote, distant) from the Mains Gas Network, this is the basis for my assumption that you could also be using a septic tank. The information you have just added has probably ruled out the possibility of the odour occurring due to that or anything similar anyway.If the tightness test is satisfactory, along with a calibrated gas-sniffer check, then your plumber has discharged his responsibility properly and to the practical limit. I mention the gas-sniffer because it may not be your gas that you're detecting, so only this combined with a tightness test should ensure your pipeline is off the hook.You suggest you can smell gas within the house... Check nothing has died under the floors, such as mice etc.I've dealt with enough situations like this myself.