5
Operating Instructions and Owner’s Manual
Mr. Heater | Gas-Fired Low-Intensity Infrared Heater
Leading Particulars
Model No. BTU/hr
Weight
Length
MHT-45
45,000
96 lbs.
10’
Technical Specifications:
- Side View -
- End View -
Reflector
Heat
Exchanger
Suspension Points
1" Max.
11
1/2"
Burner Box
13
1/2
"
9"
HEATER SpECIFICATIONS
Electrical
Rating: 120VAC, 60Hz, single phase, 1 amp
Connection: 3 pin molded plug
Gas Inlet Connection
Connection ½” Male NPT
Gas Inlet pressure
The minimum inlet gas supply pressure for the purpose of input
adjustment.
Natural Gas:
Minimum - Inlet 5.0” w.c.
Maximum - Inlet 10.5” w.c.
Lp Gas (propane):
Minimum - Inlet 11.0” w.c.
Maximum – Inlet 13.0” w.c.
Manifold pressure
Natural Gas: 4.0” w.c.
LP Gas (propane): 10.0” w.c.
VENTING SpECIFICATIONS
Vent/Flue
Length – 25 feet (Maximum)
5 feet (Minimum)
Flue Pipe – 3.0” diameter
Vent Pipe – 3” diameter
Length