Not with gas⦠no.Yeh, there is and I believe this guy was. Just that there may be an issue as to whether he had liability insurance, or correct/enough insurance.
We had a van come in end of last week where the stove burners were only giving a tiny flame ans the gas heater was playing up. When I weighed the gas bottles 1 was overfilled by a kilo (these are 4kg bottles). So that was replaced. I tested stove and heater - all OK, so the van went out. I got a call on Sunday from 1 of the other guys to say this van was back in the yard because the flame was tiny again.
Talking to him it was concluded (not difficult really) that the regulator was faulty. We had a new 1 in the parts room but I recommended that he should not fit it, that it should be done by a register gas fitter. So I suggested that we give the guy the regulator to carry in the van and that on Monday we would organise for a gas fitter to fit it where ever he is. We also gave him a portable gas cooker to be getting on with.
Anyway, this guy was off grid and next we know he's back in the yard Tuesday morning. Another 1 of our guys took the van (the type that knows a little bit and think he knows everything) and says the regulator just needs adjustment. I know little about these things but suggest to him that the safest thing we can do is get the regulator replaced as this can't fail on the customer again and has been intermittently working so we don't really know if it is properly fixed. He pooh poohs me, adjusts the regulator and hands the van back with a working flame.
The customer hadn't even left the yard and it had failed again!
So "know it all" then decides to change the regulator. I tell him that we should get a registered guy to fit it, but he knows best and changes it. It "should" be OK, but that's not really what you want is it!
Best left well alone to a certified person (as much as I love DIY, at least I can see water leaking from a pipe)