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SECTION 14: GENERAL
SPECIFICATIONS
14.1 Material Specifications
14.1.1 Reflectors
0.024 Aluminum
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 using materials with a minimum working
load of 75 lb (33 kg). See “FIGURE 11: Critical Hanger
Placement” on page 13.
14.4 Controls Specifications
Time switches, thermostats, etc. can be wired into
the electrical supply. External controls supplied as an
optional extra.
GAS PRESSURE AT MANIFOLD:
Natural Gas: 3.5” wc
LP Gas: 10.5” wc
PIPE CONNECTION:
1/2” NPT
DIMENSIONS:
Vent Connection Size: 4” (10 cm)
Outside Air Connection Size: 4” (10 cm)
Refer to figure above for dimensional information.
ELECTRICAL RATING (ALL MODELS):
120 V, 60 Hz, 1 A (run)
GAS INLET PRESSURE:
Natural Gas:
IRH 80, 125, and 150: 4.6” wc Minimum
IRH 200: 5.0” wc Minimum
14.0” wc Maximum
LP Gas:
11.0” wc Minimum
14.0” wc Maximum
Model
Heat Input Rate
Minimum Length (A)
Recommended
Minimum Mounting Height*
Space
Spot
IRH 80
80,000 BTU/h
20 ft (6 m)
12–15 ft (3.6–4.5 m)
11 ft (3.3 m)
IRH 125
125,000 BTU/h
30 ft (9 m)
15–20 ft (4.5–6 m)
15 ft (4.6 m)
IRH 150
150,000 BTU/h
40 ft (12 m)
20–25 ft (6–7.6 m)
20 ft (6.1 m)
IRH 200
200,000 BTU/h
50 ft (15 m)
25 ft (7.6 m)
25 ft (7.6 m)
* See “SECTION 3: CLEARANCES TO COMBUSTIBLES” on page 4.
12.5 in.
(32 cm)
12.5 in.
(32 cm)
End View
Side View
Reflector
Burner Tube
11 in.
(28 cm)
Minimum Length A
Turbulator
Summary of Contents for IRH
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