Page 12
LAARS HEATING SYSTEMS
Figure 8. Top-To-Rear Vent Collar.
Adapter Plate
Top Panel
Vent
Collar/Stack
Blank Plate
(Heater
Jacket)
Blank Plate On
Flue Collector
Blank Plate On
Heater Jacket
Top Panel
1. Removal of Blank Plate and Adapter
Plate From Heater
3. Blank Plate Placement
Over Stack Top Opening
Blank Plate
(Flue
Collector)
Vent
Collar/Stack
2. Removal of Blank Plate From
Rear of Flue Collector
4. Connecting Vent Collar/Stack
to Flue Collector
IMPORTANT: Maximum pipe length allowed is 50 feet (15m), regardless of the number of elbows. Maximum number of elbows allowed is 5.
Vent pipe minimum clearance from combustible surfaces is 6 inches (152mm).
Table 7. Vent Piping Specifications (Combustion Air Exhaust).
Heater
Size
Pipe Diameter
Max Pipe Length
Max No.
of Elbows
Side Wall
Vent Terminal
Part Number
Side Wall
Combustion Air
Terminal Part Number
in.
mm
ft.
m
320M
400M
520M
625M
775M
1000M
6
7
8
8
9
10
152
178
203
203
229
254
50
50
50
50
50
50
15
15
15
15
15
15
5
5
5
5
5
5
D2004500
D2004600
D2004700
D2004700
D2004800
D2006200
20260701
20260702
20260703
20260704
20260705
20526906
Summary of Contents for Mighty Max VW Series
Page 25: ...Mighty Max Volume Water Heater Page 25 Figure 19 Troubleshooting Chart...
Page 27: ...Mighty Max Volume Water Heater Page 27 Front View Right Side View...
Page 28: ...Page 28 LAARS HEATING SYSTEMS Front View Rear View Right Side View Left Side View...