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