Viessmann Vitocrossal 300 Service Instructions Manual page 39

Gas fired condensing boiler with matrix−compact gas burner, for open flue and balanced flue operation

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Table of Contents

Burner

Component summary

(cont.)

A Boiler door

B Ignition electrodes

C Fan

D Ignition unit

E Inlet flange

F Flexible gas pipe

G Ionisation electrode

H Display and programming unit

K Burner control unit

L Gas combination valve

M Air pressure switch

N Thermal insulation ring

O Burner gauze assembly

Table of Contents

Cu3