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SECTION 14: GENERAL SPECIFICATIONS
57 of 59
SECTION 14: GENERAL SPECIFICATIONS
14.1 Material Specifications
14.1.1 Reflectors
.024 Aluminum
(Optional .024 Stainless Steel Type 304)
14.2 Heater Specifications
14.2.1 Ignition
Fully automatic, three-try, direct spark, electronic
ignition control, 100% safety shut-off.
14.3 Suspension Specifications
Hang heater with materials with a minimum working
load of 75 lbs (33 kg). See Page 15, Figure 14.
14.4 Controls Specifications
Time switches, thermostats, etc. can be wired into
the electrical supply. External controls supplied as an
optional extra.
General Specifications for BH-Series heaters are as follows:
*See Page 5, Section 3 for clearances to combustibles.
GAS PRESSURE AT MANIFOLD:
Natural Gas: 3.5" wc
LP Gas: 10.5" wc
PIPE CONNECTION:
1/2" NPT (for BH-40, 60, 80, 100, 115 & 125)
3/4" NPT (for BH- 140, 150,175 & 200)
DIMENSIONS:
Vent Connection Size: 4" (10 cm)
Outside Air Connection Size: 4" (10 cm)
Refer to figure above for dimensional information.
GAS INLET PRESSURE:
Natural Gas:
for BH-40, 60, 80, 100,
115, 125, 140, 150 4.6" wc Minimum
for BH-175, 200 5.0" wc Minimum
14.0" wc Maximum
LP Gas: 11.0" wc Minimum
14.0" wc Maximum
ELECTRICAL RATING (ALL MODELS):
120 V - 60 Hz, 1 A
Turbulator (select models)
Side View
Reflector
12.5"
(32 cm)
End View
11"
(28 cm)
Minimum Length A
Burner Tube
12.5"
(32 cm)
Heat Input Rate Length “A”
Recommended
Minimum Mounting Height*
Model (Btu/h) x (1000) Minimum Space Spot
BH-40 40 10' (3 m) 8-10' (2.4 - 3 m) 8'(2.4 m)
BH-60 60 20' (6 m) 10-12' (3 - 3.6 m) 9' (2.7 m)
BH-80 80 20' (6 m) 12-15' (3.6 - 4.5 m) 11' (3.3 m)
BH-100 100 30' (9 m) 12-15' (3.6 - 4.5 m) 12' (3.7 m)
BH-115 115 30' (9 m) 15-20' (4.5 - 6 m) 15' (4.6 m)
BH-125 125 40' (12 m) 15-20' (4.5 - 6 m) 15' (4.6 m)
BH-140 140 40' (12 m) 20-25' (6 - 7.6 m) 20' (6.1 m)
BH-150 150 50' (15 m) 20-25' (6 - 7.6 m) 20' (6.1 m)
BH-175 175 50' (15 m) 25' (7.6 m) 23' (7 m)
BH-200 200 60' (18 m) 25' (7.6 m) 25' (7.6 m)