FIGURE 12: Common Roof Venting
VERTICAL COMMON VENTING
SIDE VIEW
Vent Adapter Stk. #19021
Burner Box
Burner Box
TOP VIEW
HORIZONTAL COMMON VENTING
Burner Box
H
Vent Adapter Stk. #19021
Vent Adapter Stk. #19021
Burner Box
Burner Box
4" Aluminized steel Heat Exchange Tube
H
Wall Thimble
(If Applicable)
Wall Thimble
(If Applicable)
H
Enerco | Heatstar ERXL Series Heater
Approved Vent Cap
Flashing
Type "B" Vent required outdoors.
Secure all joints with 3 (minimum) #8 x 3/8"
sheet metal screws and seal all joints.
D
D
At least 1/4" per foot rise or pitch
must be maintained on horizontal
runs from heater to vent.
Vent Cap
Type "B" Vent required outdoors.
Vent Cap
Type "B" Vent required outdoors.
Secure all joints with 3 (minimum) #8 x 3/8"
sheet metal screws and seal all joints.
D
D
4" Aluminized steel Heat Exchange Tube
15
Operating Instructions and Owner's Manual
Roof
Burner Box
Burner Box
Burner Box
Outside Wall
Outside Wall
Burner Box
Burner Box