Viessmann Vitocrossal 300 Series Technical Data Manual page 6

For operating with natural gas and liquid propane gas
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Dimensional Information
Models 300 CU3A 26 to 199
Legend
A Overall boiler height (boiler control open)
B Overall boiler height (boiler control closed)
C Safety header connection
D Boiler supply
E Gas connection
F Boiler return
G Boiler drain
H Vent connection
I Condensate drain connection
J Combustion air connection
Model 26, 35, 94, 125
a
in. (mm)
b
in. (mm)
c
in. (mm)
d
in. (mm)
Note: All height dimensions of the boiler have a tolerance of +.6 in. (+15 mm) due to the factory installed adjustable feet.
6 6
6
Model 45, 57, 160, 199
27 (684)
a
17 (430)
b
23b (595)
c
¾
4
(120)
d
Vitocrossal 300 CU3A 26 to 199 Technical Data
in. (mm)
in. (mm)
21b (545)
in. (mm)
in. (mm)
31b (801)
28 (712)
5b (140)

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