4
Sentry Tube Heaters
Specifications
Available Tube Lengths (ft.)
Maximum Input per Hour BTU/H
Minimum Input per Hour (Two Stage)
Fuel Consumption per Hour (Max.)
Gas supply pressure acceptacle for the
purpose of input adjustment (in W.C.)
Burner manifold pressure (in W.C.)
Single and two stage high heat
Burner manifold pressure (in W.C.)
Two stage low heat
Ventilation air required to support combustion
Motor characteristics
Electrical supply (Volts/Hz/Phase)
Amp draw
Minimum safe distances of heater from
nearest combustible materials (ft.) See
Fig. 1.
Temperature sensor location
Safe Clearance from Combustibles
FIG. 1
0° angle
SIDE
BELOW RADIANT TUBE
Owner's Manual • Sentry
LPG (lbs.)
NG (cu. ft.)
LPG
MAX./
MIN.
LPG
LPG
Starting
Continuous Operation
Top
0° angle
Sides
Front 45°
Back 45°
Discharge End
Below radiant tubes
TOP
SIDE
BACKSIDE
ST60
ST80
30
60,000
80,000
-
2.8
60
NG
NG
4.5
-
NG
-
1/30 H.P., 3020 RPM, CW Rotation
2.5
See Page 16 of owner's manual
45° angle
TOP
FRONTSIDE
BELOW RADIANT TUBE
ST100
40
30
100,000
-
65,000
3.7
4.63
80
100
13.5 / 11.0
13.5 / 7.0
10.0
4.0
4.0
1.6
140 CFM
120 / 60 / 1
1.16
1.02
0.6
4
6
2.5
3
6
DISCHARGE END
ST125
40
125,000
75,000
5.79
125