gas supply adequate for adding another appliance?

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Old 06-01-13, 10:16 AM
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Question gas supply adequate for adding another appliance?

How do I determine if my existing gas supply is adequate for adding another appliance?

I have a 1" (inside) feed line
the meter is approximately 150 ft to the house
Existing hot water heat 35,500 BTU's
Furnace 210,000 BTU's

We want to add a 3/4 inch feed within the house for a Kenmore 30: slide in Gas range 02236933000

the BTU's require
burner 1. 5,000 BTU's
burner 2. 9,500 BTU's
burner 3. 12,200 BTU's
burner 4 14,200 BTU's
oven 18,000 BTU's

Gas Appliances Topic Moderators Note:
Titled slightly edited so it would fit the within title character space limits.
Post moved to plumbing & piping since the question does not pertain specifically to any appliance services nor repair question.
 

Last edited by Sharp Advice; 06-02-13 at 06:16 AM.
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Old 06-04-13, 07:38 AM
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Sorry late on reply...

the meter is approximately 150 ft to the house
Could you explain where the meter is?

What is the farthest appliance from the meter now, and how many feet?

You only have the furnace and HWH now?
 
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Old 06-11-13, 05:24 PM
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I am adding an addition and my gas run is going to be 82' from the meter once addition is done. I know the chart does not have an 82' column so I went to 90' column. Total is 288 Cfh. which means if I follow the chart correctly I have to change all my gas pipe to 1 1/4" to the furthest point and then branch off accordingly to the appliance size.


-------------
1/2" | 1/2"
50gal | 80k Btu
50k Btu | hot water N.G boiler
New H/W htr 14' | New boiler for addition
25' 25' | 1 1/4" G.P
-------------------------------new---------------------
5' | 3/4" g.p | 1/2" G.P 1 1/4"G.P
| 3' |
|--- 1/2" 83k Btu stove/oven
| 1' 1/2" 75k Btu furnace Existing
9' | existing needed to
m---- Heat existing structure
4'
This is going to be the actual layout of the gas line. Length may be off by a factor of 5' so the 90' column works. sorry does not look like the design i worked hard to make
 
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Old 06-11-13, 06:31 PM
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"...if I follow the chart correctly I have to change all my gas pipe to 1 1/4" to the furthest point..."
After you make the drawing with the gas flows required of all the appliances you work backwards from the last appliance to calculate the required pipe size. The last appliance will have the smallest mainline piping and the first appliance will have the largest mainline pipe.
 
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