Cozy
Gas Floor Furnaces
Typical Venting Illustration
Illustration
Below & Gas Piping Information
Taken From Louisville Tin & Stove Catalog
Gas
Supply & Piping
Gas
Pipe Sizes - Capacity - *Natural Gas
Capacity - BTU Per Hour Input
Gas
Tubing & Pipe Sizes - Capacity - *L.P. Gas Capacity
- BTU Per Hour Input
Length
of Pipe
Feet
Inside
Pipe Diameter
Length
of Pipe/Tubing Feet
**
Copper Tubing
Outside Diameter
**
Steel Pipe
Inside Diameter
1/2"
3/4"
1"
1/2"
3/4"
1/2"
3/4"
10
132,000
278,000
520,000
10
92,000
329,000
275,000
567,000
20
92,000
190,000
350,000
20
62,000
216,000
189,000
393,000
30
73,000
152,000
285,000
30
50,000
181,000
152,000
315,000
40
63,000
130,000
245,000
40
41,000
145,000
129,000
267,000
50
56,000
115,000
215,000
50
37,000
131,000
114,000
237,000
60
50,000
105,000
195,000
60
35,000
121,000
103,000
217,000
**
Based on heating value of 1000 btu per cubic foot (specific
gravity of 0.6) @ 0.5 PSIG and a pressure drop of 0.3
inch water cloumn.
** Steel pipe should be of at least standard weight
(Schedule 40)
**
Undiluted Liguified Petroleum Gas @ 11 inches water column
inlet pressure. Based on a pressure drop of 0.5 inches
water column.
** Copper tubing must comply with limitations of NATIONAL
FUEL GAS CODE reference 2.6.3 metallic tubing.
Support
the piping or tubing at regular intervals with metal pipe
strapping
See Chart Below:
