RSG Heater Series Submittal

4
Flue
Restrictor Plate
Minimum
Orice Size
Mounting Height*
Heat Total @
Model Btu/hr Exchanger Heater Part Natural Gas Propane Gas @ 45°
No. Input Length Length I.D. Number Horizontal Angle
RSG 25 25,000 7/8" #42741120 #42 (0.094) 1.45mm (0.057) 8' 8'
RSG 35 35,000 16' 9'-3" 1" #42741041 #35 (0.110) 1.75mm (0.069) 8' 8'
RSG 45 45,000 1-1/8" #42741031 1/8" (0.125) 5/64” (0.078) 8' 8'
3
)
SPECIFICATIONS
* MOUNT HEATERS AS HIGH AS POSSIBLE. Minimums are shown as a guideline for human comfort and
uniform energy distribution for complete building heating applications. Consult your Sterling representative
for the particulars of your installation requirements.
Type Gas-Pipe Tube Flue Fresh Air Electrical Current
Gas Connection Diameter: Connection Connection Supply Rating
Natural or 1/2" MPT
3" 4" Round 4" Round
120 Volt,
2.6 Amp
Propane (Male) 60Hz, 1 Phase
Firing Rating Ignition System (Direct Spark)
Spark Module: 2 Amp 250V (for 24V Circuit) 30 second pre-purge period
STERLING “RSG” SERIES
INFRARED RADIANT TUBE HEATER