25
INSTALLATION CONSIDERATIONS
3. Pressure drop in lines between regulators, and between
second stage regulator and the appliance. Pipe size will
depend on length of pipe run and total load of all appli-
ances.
Complete information regarding tank sizing for vaporization,
recommended regulator settings, and pipe sizing is avail-
able from most regulator manufacturers and propane gas
suppliers.
Refer to the following illustration for typical propane gas in-
stallations and piping.
200 PSIG
Maximum
5 to 15 PSIG
(20 PSIG Max.)
Continuous
11" W.C.
Second Stage
Regulator
First Stage
Regulator
Typical Propane Gas Installation
WARNING
I
F THE GAS FURNACE IS INSTALLED IN A BASEMENT, AN EXCAVATED
AREA OR A CONFINED SPACE, IT IS STRONGLY RECOMMENDED TO
CONTACT A PROPANE SUPPLIER TO INSTALL A GAS DETECTING
WARNING DEVICE IN CASE OF A GAS LEAK.
•
S
INCE PROPANE GAS IS HEAVIER THAN AIR, ANY LEAKING GAS CAN
SETTLE IN ANY LOW AREAS OR CONFINED SPACES.
•
P
ROPANE GAS ODORANT MAY FADE, MAKING THE GAS UNDETECTABLE
EXCEPT WITH A WARNING DEVICE.
WARNING
A
N UNDETECTED GAS LEAK WILL CREATE A DANGER OF EXPLOSION
OR FIRE.
I
F THE PRESENCE OF GAS IS SUSPECTED, FOLLOW THE
INSTRUCTIONS ON THE COVER OF THIS MANUAL.
F
AILURE TO DO SO
COULD RESULT IN
SERIOUS
PERSONAL
INJURY
OR
DEATH
.
WARNING
I
F THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED EXACTLY, A
FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL
INJURY OR LOSS OF LIFE.
–
D
O NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND
LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE.
–
WHAT
TO
DO
IF
YOU
SMELL
GAS
:
•
D
O NOT TRY TO LIGHT ANY APPLIANCE.
•
D
O NOT TOUCH ANY ELECTRICAL SWITCH; DO NOT USE ANY
PHONE IN YOUR BUILDING.
•
I
MMEDIATELY CALL YOUR GAS SUPPLIER FROM A NEIGHBOR’S
PHONE.
F
OLLOW THE GAS SUPPLIER’S INSTRUCTIONS.
•
I
F YOU CANNOT REACH YOUR GAS SUPPLIER, CALL THE FIRE
DEPARTMENT.
–
I
NSTALLATION AND SERVICE MUST BE PERFORMED BY A QUALIFIED INSTALLER,
SERVICE AGENCY OR THE GAS SUPPLIER.
3/8"
1/2"
5/8"
3/4"
7/8"
1/2"
3/4"
10
730
1,700
3,200
5,300
8,300
3,200
7,500
20
500
1,100
220
3,700
5,800
2,200
4,200
30
400
920
2,000
2,900
4,700
1,800
4,000
40
370
850
1,700
2,700
4,100
1,600
3,700
50
330
770
1,500
2,400
3,700
1,500
3,400
60
300
700
1,300
2,200
3,300
1,300
3,100
80
260
610
1,200
1,900
2,900
1,200
2,600
100
220
540
1,000
1,700
2,600
1,000
2,300
125
200
490
900
1,400
2,300
900
2,100
150
190
430
830
1,300
2,100
830
1,900
175
170
400
780
1,200
1,900
770
1,700
200
160
380
730
1,100
1,800
720
1,500
Pipe o r
T ub ing
L eng th
Feet
T ub ing Size, O.D. Typ e L
No min al
Pip e Size
Sch edule 40
Si zing Between First and Second Stage Regulator*
Ma ximum Prop ane C apa cities li ste d are ba sed on 2 p sig pre ssure dro p at 10 psig settin g.
C apacities in 1,00 0 BTU/hour .
T o convert to capacities at 15 psig settings - multiply by 1.130
T o convert to capacities at 5 psig settings - multiply by 0.879
3/8"
1/2"
5/8"
3/4"
7/8"
1/2"
3/4"
1"
1-1/4" 1-1/2"
10
39
92
199
329
50 1
2 75
567
1 ,071 2, 205 3,30 7
20
26
62
131
216
34 6
1 89
393
732
1, 496 2,29 9
30
21
50
107
181
27 7
1 52
315
590
1, 212 1,85 8
40
19
41
90
145
23 3
1 29
267
504
1, 039 1,55 9
50
18
37
79
131
19 8
1 14
237
448
9 13
1,41 7
60
16
35
72
1,211
18 7
1 03
217
409
8 34
1,27 5
80
13
29
62
104
15 5
89
185
346
7 24
1,06 6
100
11
26
55
90
13 8
78
162
307
6 30
97 6
125
10
24
48
81
12 2
69
146
275
5 67
86 6
150
9
21
43
72
10 9
63
132
252
5 11
78 7
200
8
19
39
66
10 0
54
112
209
4 39
66 5
250
8
17
36
60
93
48
100
185
3 90
59 0
Tu bin g Size, O.D . Type L
No min al Pipe Size
Sch edule 40
Pi pe or
Tu bin g
Len gth
F eet
*Data in accor dance with N FPA pamphlet No. 54
Sizing Between Second or Second Stage Regulator & Appli ance*
Ma ximum Prop ane C apa cities li ste d are ba sed on 1 /2 " W.C. pressu re drop a t 11 " W.C . setting.
C apa cities in 1,00 0 BTU/hour .
Propane Gas Piping Charts
