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PRODUCT SPECIFICATIONS
Natural Gas
Propane Gas
Millivolt
Intermittent Pilot
(IP)
Millivolt
Intermittent Pilot
(IP)
Regulator pressure setting
3.5" w.c.
3.5" w.c.
10.0" w.c.
10.0" w.c.
Gas inlet pressure
Max.
10.5" w.c.
10.5" w.c.
13.0" w.c.
13.0" w.c.
Min.
4.5" w.c.
7.0" w.c.
11.0" w.c.
11.0" w.c.
Model
Gas
Type
Valve Type
Orifice
Recommended
Manifold Pressure
(w.c.)
BTUH
Max. Rate
BTUH
Min. Rate
VFLL38FP30L25
LP
Millivolt
1.45mm
10"
25,000
19,500
VFLL38FP30L25
NAT
Millivolt
#42
3.5"
25,000
17,500
VFLL38FP30L
LP
Millivolt
1.65
10"
32,000
25,000
VFLL38FP30L
NAT
Millivolt
#36
3.5"
32,000
21,000
VFLL48FP30L
LP
Millivolt
#49
10"
40,000
31,000
VFLL48FP30L
NAT
Millivolt
3.00 mm
3.5"
40,000
28,000
VFLL38FP90L25
LP
IP
1.45 mm
10"
25,000
19,500
VFLL38FP90L25
NAT
IP
#42
3.5"
25,000
17,500
VFLL38FP90L
LP
IP
1.65 mm
10"
32,000
25,000
VFLL38FP90L
NAT
IP
#36
3.5"
32,000
21,000
VFLL48FP90L
LP
IP
#49
10"
40,000
31,000
VFLL48FP90L
NAT
IP
3.00 mm
3.5"
40,000
28,000
Table 1 - Air Shutter Opening - Natural Gas Models
Model
Air Shutter Opening
VFLL38FP30L25
1/16”
VFLL38FP30L
1/8”
VFLL48FP30L
1/8”
VFLL38FP90L25
1/16”
VFLL38FP90L
1/8”
VFLL48FP90L
1/8”
Table 2 - Air Shutter Opening - LP Gas Models
Model
Air Shutter Opening
VFLL38FP30L25
1/4”
VFLL38FP30L
FULLY OPEN
VFLL48FP30L
FULLY OPEN
VFLL38FP90L25
1/4”
VFLL38FP90L
FULLY OPEN
VFLL48FP90L
FULLY OPEN