Worcester ZWB 7-25 HE combi Specifications download pdf (Page 5)

7 181 465 346 GB (03.02)

Layout of Appliance

5

1.2 system

Fig. 2

4

Heatronic control

6

Heat exchanger safety temperature limiter

7

Testing point for gas supply pressure

8.1

Pressure gauge

9

Flue gas temperature limiter

15

Relief valve

18

Pump

18.1

Pump speed selector switch

20

Expansion vessel

27

Automatic air vent

29

Air gas Mixer unit

32.1

Electrode assembly

36

Temperature sensor in CH flow

43

CH flow

63

Adjustable gas flow restrictor

64

Adjusting screw for min. gas flow volume

102

Inspection window

120

Fixing points

221.1

Flue duct

221.2

Combustion air intake

226

Fan assembly

295

Appliance type sticker

234

Testing point for combustion products

234.1

Testing point for combustion air

271

Flue duct

349

Cover plate for twin flue duct connection

358

Condensate trap

415

Cover plate for cleaning access

416

Condensate collector

417

Clip for fixing outer case

418

Data plate

423

Siphon

8.1

29

102

226

234.1

271

416

221.1

221.2

20

43

9

63

358

64

7

417

15

4

18

415

6

36

32.1

234

349

120

418

295

6 720 610 596-01.2O

18.1

423

27

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