18
EN
Supply pipe
(G 3/4“)
Connections
Bleeding valve
Immersion pocket
for differential regu-
lator sensor
Immersion pocket
for TAS sensor
Return
pipe (G 3/4“)
TAS outlet
(G 3/4“)
Flue tube opening
D150 mm
Secondary air
regulator
TAS Inlet
(G 3/4“)
Connection for
external combustion
air supply
D100 mm