CleaverBrooks FLX Operation, Service And Parts Manual page 52

Chapter 2
Model FLX Minimum Required Gas Pressure
Model No.
FLX-150
FLX-200
FLX-250
FLX-300
FLX-350
FLX-400
FLX-450
FLX-500
FLX-550
FLX-600
FLX-700
FLX-800
FLX-900
FLX-1000
FLX-1100
FLX-1200
Notes:
1. Table is based on 1,000 Btu/cu. ft. natural gas and elevation of 1,000 feet.
2. Minimum gas pressure also applies to 200 fuel series.
3. As an option, the standard gas train can be replaced with an oversized design to reduce inlet gas pressure requirements.
4. Use this column for all U.S. installations.
5. Use this column for all Canadian installations.
2-40
Std. Gas Train Size Min. Gas Pressure
(In.) Note 3
1
1
1.5
1.5
1.5
1.5
2
2
2
2
2
2.5
2.5
2.5
2.5
2.5
Min. Gas Pressure
(in WC) Note 4 (in WC) Note 5
11.2
19.4
12.4
15.9
15.5
18.7
16.0
17.6
22.9
20.0
25.2
19.9
24.7
31.6
37.3
38.2
Profire V Burner
Burner Model
12.5 PFVG-15
21.7 PFVG-20
15.7 PFVG-25
20.7 PFVG-30
22.0 PFVG-35
27.2 PFVG-40
26.7 PFVG-45
21.0 PFVG-50
27.1 PFVG-55
24.9 PFVG-60
31.9 PFVG-70
22.2 PFVG-80
27.7 PFVG-90
31.6 PFVG-100
37.3 PFVG-110
38.2 PFVG-120
750-177