24
fuel consumption
Estimated fuel supply requirements at half and full load for
natural gas and LP vapor fuels are shown here.
LP Vapor (Propane)
20kW
17kW
15kW
full Load
Cu Ft/Hr
135
118
109
Gal/Hr (liquid)
3.75
3.28
3.03
BTU/Hr
337500
295000
272500
3/4 Load
Cu Ft/Hr
109
99
90
Gal/Hr (liquid)
3.03
2.75
2.5
BTU/Hr
272500
247500
225000
1/2 Load
Cu Ft/Hr
83
74
68
Gal/Hr (liquid)
2.31
2.06
1.89
BTU/Hr
207500
185000
170000
1/4 Load
Cu Ft/Hr
56
54
51
Gal/Hr (liquid)
1.56
1.5
1.42
BTU/Hr
140000
135000
127500
exercise
Cu Ft/Hr
40
40
40
Gal/Hr (liquid)
1.11
1.11
1.11
BTU/Hr
100000
100000
100000
recommended energy
content of fuel:
natural Gas
Propane
(LP Vapor)
heating Value:
Btu per gallon liquid
(gross*)
Btu per cubic feet
(vapor)
N/A
1,000
91,547
2,500
natural Gas
20 kW
(18 kW)
17 kW
(14.4 kW)
15kW
(13.5 kW)
full Load
Cu Ft/ Hr
260
248
240
BTU / Hr
260000
248000
240000
3/4 Load
Cu Ft/ Hr
240
218
210
BTU / Hr
240000
218000
210000
1/2 Load
Cu Ft/ Hr
187
170
156
BTU / Hr
187000
170000
156000
1/4 Load
Cu Ft/ Hr
135
128
119
BTU / Hr
135000
128000
119000
exercise
Cu Ft/ Hr
99
99
99
BTU / Hr
99000
99000
99000
NOT
for
REPRODUCTION
Summary of Contents for 20 kW Home
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