Viessmann VITOCROSSAL 300 Technical Data Manual page 6

For operation with natural gas and liquid propane gas floor mounted, gas-fired condensing boiler heating input 19 to 199 mbh 5.6 to 58 kw

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Table of Contents

Dimensional Information

Models 300 CU3A 26 to 57

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 to 35

in. (mm)

Note: All height dimensions of the boiler have a tolerance of +.6 in. (+15 mm) due to the factory installed adjustable feet.

Model 45 and 57

27 (684)

17 (430)

23b (595)

(120)

Vitocrossal 300 CU3A 26 to 57 Technical Data

31b (801)

in. (mm)

21b (545)

in. (mm)

28 (712)

in. (mm)

5b (140)

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