REV. C Page 4
MT Burning Spur Fire Pits
SPECIFICATIONS
Table 1
Fire Pit Dimensions
A
B
C
.875 TYP. (usable flat lip)
*
*
D
Ground Level (Earth)
Fig. 1
Fire Pit Dimensions; refer to Table 1.
(Dimensions applicable to round or square pans)
Model:
N= Natural Gas
NG
Orifice
LP
Orifice
Btu’s
Natural
FPB-19RBSMT-N
#29
#41
75,000 (21.98kW)
FPB-25RBS22MT-N
#14
#31
125,000 (36.63kW)
FPB-29RBS22MT-N
#14
#31
125,000 (36.63kW)
FPB-33RBS31MT-N
#01
#26
175,000 (51.28kW)
FPB-20SBSMT-N
#29
#41
75,000 (21.98kW)
FPB-26SBS22MT-N
#14
#31
125,000 (36.63kW)
FPB-32SBS31MT-N
#01
#26
175,000 (51.28kW)
FPB-38SBS36MT-N
#25/64
#12
250,000 (73.26kW)
Table 2
Btu Specifications
Pressure
NG
LP
Min. Inlet
3.5” WC (0.87 kPa)
8.0” WC (1.99kPa)
Max. Inlet
10.5” WC (2.61kPa)
13.0” WC (3.23 kPa)
Normal Inlet 7.0” WC (1.74 kPa)
11.0” WC (2.73 kPa)
Table 3
Gas Pressures
Model:
N = Natural Gas
A
Pan
Depth
B
Min./Max.
Install Opening
C
Inside
Pa
n
D
Ground
Level
E
Side
Wall
F
Combustible
Ceiling
G
Combustible
Floor
Burner
Size
FPB-19RBSMT-N
2½”
19¼” - 20½”
19”
8”
36”
96”
18”
16”
FPB-25RBS22MT-N
2½”
25¼” - 27½”
25”
8”
36”
96”
18”
22”
FPB-29RBS22MT-N
2½”
29¼” - 30⅜”
29”
8”
36”
96”
18”
22”
FPB-33RBS31MT-N
2½”
33¼”- 35¼”
33”
8”
36”
120”
18”
31”
FPB-20SBSMT-N
2¾”
20¼ - 21¾”
20”
8”
36”
96”
18”
16”
FPB-26SBS22MT-N
2¾”
26¼” - 27¾”
26”
8”
36”
96”
18”
22”
FPB-32SBS31MT-N
2¾”
32¼” - 33¾”
32”
8”
36”
120”
18”
31”
FPB-38SBS36MT-N
2¾”
38¼” - 39¾”
38”
8”
36”
120”
18”
36”
Disclaimer:
Btu listings are based on 7.0”WC for Natural Gas and
11.0”WC for Liquid Propane (LP) at the burner orifice. Flex line
size and proper gas pipe sizing will also affect Btu’s. As a result
your Btu’s may vary slightly from Table 2 specifications.
Fig. 2
Clearance to Combustibles (Not
to be used in an enclosed space)
F
E
G