9
Operating Instructions and Owner’s Manual
Enerco | Heatstar ER2STG Tube Series Heater
FIGURE 3: Heatstar ER2STG Dimensions & Suggested Mounting Heights
Turbulator
Heat Exchanger Tubing
Turbulator
Heat Exchanger Tubing
Minimum Total Length (see chart below)
Burner Side View
Burner Ratings and Heat Exchanger Lengths: (NG and LP)
Suggested Mounting Heights
Model #
Rate (BTU/Hr.)
Low-High
Heat Exchanger
Length
Turbulator
Minimum
Total Length
Suggested
Min. Space
Typical
Mounting
Height
ER2STG
60-100
60 - 100,000
30 ft.
5 ft.
31' - 4'
12’ - 15’
12’ - 15’
60 - 100,000
40 ft.
None
41' - 4'
15’ - 18’
12" - 15'
ER2STG
80 - 125
80 -125,000
40 ft.
None
41' - 4'
15’ - 20’
14’ - 19'
80 - 125,000
50 ft.
None
51' - 4'
15’ - 18’
14’ - 19'
ER2STG
125-175
125 - 175,000
50 ft.
None
51' - 4'
20’ - 23’
15’ - 25'
125 - 175,000
60 ft.
None
61' - 4'
20’ - 25’
15’ - 25'
Burner Rear View
9.25"
(23.49cm)
9.25"(23.49cm)
17.75"(45.08)
( IF NECESSARY
