SIZE AND CAPACITY OF PROPANE
CYLINDERS REQUIRED
The charts below show the approximate size of the cylinder
required for these heaters. To use the chart:
1. Select the lowest air temperature expected (at the bottom of the
chart).
2. Move straight up to time of operation desired (left side of chart).
3. Read the cylinder size required.
All heaters should have:
full cylinders
good air circulation
no frost on cylinders
60,000 BTU/HR (16.1 kW)
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0
AIR TEMPERATURE -
85,000 BTU/HR (33.4 kW)
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0
AIR TEMPERATURE -
Mr. Heater, Inc.| Forced Air Propane Construction Heater
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7
PROPANE/LP VAPORATION RATE
(Per 100 lb. Propane Cylinder)
100 lb.
Propane Heater Cylinder Selection Chart
Pounds of
Maximum continuous BTU Output
Propane in
per Hour at Various Temperature
Cylinder
0°
100
113,000
90
104,000
80
94,00
70
83,000
60
75,00
50
64,00
40
55,000
30
45,000
20
36,000
10
28,000
125,000 BTU/HR (49.1 kW)
40
3 Cylinders
38
33
34
32
30
28
2 Cylinders
23
24
22
20
18
13
14
12
1 Cylinders
10
8
6
4
2
0
AIR TEMPERATURE -
Operating Instructions and OwnerÊs Manual
40 lb.
20 lb.
20°
40°
167,000
214,000
152,000
200,000
137,000
180,000
122,000
160,000
109,000
140,000
94,000
125,000
79,000
105,000
66,000
85,000
51,000
69,000
38,000
49,000
100# (45.4kg)
100# (45.4kg)
100# (45.4kg)
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