5
TEMP-HEAT
®
Rating Information
For indoor or outdoor installation
Unit Specifications THP-400A THP-500A THP-550
CFM 2,500 3,000 3,000
BTU/Hour minimum
maximum
200,000
400,000
44,500
500,000
40,500
550,000
Inlet Pressure
Natural Gas
minimum psig
maximum psig
1/2
4*
1/4
4*
1/2
4*
Inlet Pressure
Propane Gas
maximum psig 10 10 10
Electrical Requirements voltage/hertz/phase/amps 115/60/1/20 115/60/1/20 115/60/1/20
Dimensions l x w x h, in 50 x 26 x 48 58 x 28 x 53 56 x 29 x 40
Weight lbs 450 565 500
Minimum distance from
combustible materials
floor, in
top, in
sides, in
discharge, ft
0
6
6
10
0
6
6
10
0
6
6
10
Ambient Conditions minimum
o
F
maximum
o
F
-40
120
-40
120
-40
120
*For inlet pressure over 4-psi natural gas, contact TEMP-AIR.