Connecting two gas meters on the same line ?
#1
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Hi Yall
thanks for having me.
heres the deal
I need a furnace in my porch to heat up about 800 square feet.
but I only have two gas meters in the home-one meter for basement, one meter for 1st floor and both have a furnace/boiler/stove.
If I connect the furnace to either floor-i bet the furnace will starve.
Im thinking of connecting the lines from the porch and 1st floor to the furnace in the porch.
Im wondering if thats safe to have two fuel pressures meeting like that.
Im thinking of doing it soon as it's pretty simple as I already have lines in the porch that extend from the meters in the front of the house as in the porch walls (inside the kitchen) is where the stoves are at.
Talk to me guys.
Thanks
and I hope I expained myself
thanks for having me.
heres the deal
I need a furnace in my porch to heat up about 800 square feet.
but I only have two gas meters in the home-one meter for basement, one meter for 1st floor and both have a furnace/boiler/stove.
If I connect the furnace to either floor-i bet the furnace will starve.
Im thinking of connecting the lines from the porch and 1st floor to the furnace in the porch.
Im wondering if thats safe to have two fuel pressures meeting like that.
Im thinking of doing it soon as it's pretty simple as I already have lines in the porch that extend from the meters in the front of the house as in the porch walls (inside the kitchen) is where the stoves are at.
Talk to me guys.
Thanks
and I hope I expained myself

#2
Not a gas pro but here is my take:
The only time you would need two (or more) gas meters is if you have more then one gas service. This would be if you have a duplex or multi-family dwelling where there would be separate bills. It is the size of your gas line to the appliances, and the BTUs of the appliances, that will determine how many appliances you can have per line. There is also some instances where you run a 2 psi line and then regulate it down.
The only time you would need two (or more) gas meters is if you have more then one gas service. This would be if you have a duplex or multi-family dwelling where there would be separate bills. It is the size of your gas line to the appliances, and the BTUs of the appliances, that will determine how many appliances you can have per line. There is also some instances where you run a 2 psi line and then regulate it down.
#3
Sort of an open ended question.
Why do you have two gas meters ? Two tenants.... owner and tenant ?
You cannot combine the output of two gas meters together.
You need to look at the ID tags on all the gas appliances and figure out what CFM of gas each appliance needs.
Off the top of my head a typical gas meter is rated to supply 250k BTU.
A stove uses around 45k BTU.
A water heater 35k BTU.
Typical furnace.... 80k-110k BTU.
Why do you have two gas meters ? Two tenants.... owner and tenant ?
You cannot combine the output of two gas meters together.
You need to look at the ID tags on all the gas appliances and figure out what CFM of gas each appliance needs.
Off the top of my head a typical gas meter is rated to supply 250k BTU.
A stove uses around 45k BTU.
A water heater 35k BTU.
Typical furnace.... 80k-110k BTU.
#6
Not a pro but IMO you should combines the lines not the meters. Then remove the unused meter. If needed you may have to ask the gas company to increase the size of the meter. Just simpler and avoids double base charges for gas.
Last edited by ray2047; 09-28-16 at 10:38 AM. Reason: Clarify
#7
Two supply lines (electric or gas) may never be combined or recombined with or without meters in between.
At best it would be terribly confusing to the next homeowner or handyman who shut off "the meter" and wondered why the gas is still flowing.
It's probably illegal, and intuitively illegal, although I have not done the homework to verify that.
At best it would be terribly confusing to the next homeowner or handyman who shut off "the meter" and wondered why the gas is still flowing.
It's probably illegal, and intuitively illegal, although I have not done the homework to verify that.
Last edited by AllanJ; 09-28-16 at 09:34 AM.
#8
Alan, perhaps you misunderstand me. I meant remove one meter and connect that line to the remaining meter.
If one meter is supplying all lines, which is what I am suggesting, then all gas would be off when that meter is off.
At best it would be terribly confusing to the next homeowner or handyman who shut off "the meter" and wondered why the gas is still flowing.