Concentric vertical - two pipe to boiler
Boilers VGH 299 and 399 only.
See page 50 for more details
Figure 9-8
44
Concentric vertical - concentric to boiler
Boiler VGH 299 and 399 only.
See page 50 for more details.
Figure 9-9
E93.1601EN032.C VGH installation manual