Boiler in loft - gas pressure.

[HawkWhiteFinger]

Hello, I plan to have my new boiler fitted in the loft, but I've been told that some people who have done have not had the pressure required in a higher location for the boiler to light. What is the likelyhood of this posing a problem to me? Is this something that is a common issue?

 

[mountainman]

How high is your loft?

 

[HawkWhiteFinger]

How high is your loft?

Average hight I'd say, without being specific.

 

[warrington]

Gas pipe needs to right sizing.

 

[HawkWhiteFinger]

I have 22mm running through the house so there was talk with the gas fitter that he could use some of the 22mm I have in stock and run that to the loft. The gas fitter hasn't mention pressure, it was actually my dad who told me that his neighbour had a boiler fitted upstairs (not as far as the loft) and had to have the gas main upgraded to give enough pressure for the boiler to light.

 

[aujm98]

in my experiance i have found that depending on the amount of other gs appliances in the property the gas pipe has to be upgraded and this can only be checked by the gas pipe sizeing calculation that should be carried out as a standard practice in order to get the correct gas pressure for the boiler

 

[HawkWhiteFinger]

in my experiance i have found that depending on the amount of other gs appliances in the property the gas pipe has to be upgraded and this can only be checked by the gas pipe sizeing calculation that should be carried out as a standard practice in order to get the correct gas pressure for the boiler

Is that the gas pipe from the meter into the house or the gas pipe to the meter?

 

[Nostrum]

Never heard of height effecting gas pressure before! The gas supply is sealed so gravity will have no effect and gas is lighter than air anyway

I think the issue is the distance rather than the height, which will require pipe sizing to take into account frictional loss through the pipe itself.

 

[mountainman]

Gas is lighter than air anyway
.

Could be LPG!

 

[Nostrum]

37mbar then so even less likely to have problems :rofl: