Hi,

I live in a bungalow which is approx 50 years old. The boiler is over 10 years old. The problem we are having is that whether the boiler is in use or not there is a dirty gas (like rotten eggs) smell outside where the wall vent is connected to the boiler. For fear of a leak (which my mother in law constantly tells me there is!) I have called Transco out twice! But they can find no leak. It does get stronger when the heating is actually on but you can almost always smell it outside. Do i need a new boiler? What boiler should i get if i do and how much do you think it is likely to cost me??

I would appreciate any help you could offer me, the smell wafts right past the back door and is nasty!

thanks

Claire

hvac1000

Get professional ON SITE help with this issue.You probably do not need a new boiler but it could be out of tune.

Mr_am

Could be dirty ducts/tubes ?

therinnaiguy

On the gas piping going to the boiler you should find a shut-off valve. Assuming you do not use your boiler for hot water, turn off this valve. Over time (an hour or two) if the smell goes away, you do have an internal issue with the boiler and will need some help. If the smell continues with the valve still off, contact your gas utility fore there may be an issue in the ground or in your piping. If you do use your boiler for hot water, you can still perform the above test but will need to relight your pilot afterward.