1
2
3
4
5
6
7
8
9
10
■
1
Flue gas connection
■
2
Combustion air connection
■
3
Gas connection
■
4
Terminal box with isolation switch
■
5
Fan
■
6
Casing
■
7
Gas control valve
■
8
Burner unit consisting of stainless steel
gas blower and premix burner
■
9
Heat exchanger of stainless steel
■
10
Air-Injector
Fig. B1: TopVent
®
DGV structure
■
1
Heating section
■
2
Air-Injector
Fig. B2: TopVent
®
DGV components
B
7
TopVent
®
DGV
Construction and operation
Use
