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Dunkirk DWB Series User Manual

Page 7

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Item

Number

Description

5

Sealed Chamber

7

Gas Inlet

8

Domestic Hot Water (DHW) Outlet

9

Domestic Cold Water (DHW) Inlet

10

Supply System

11

System Return

16

Modulating Fan

19

Combustion Chamber

20

Burner Assembly

22

Burner

26

Combustion Chamber Insulation

27

Copper Heat Exchanger

28

Exhaust Manifold

29

Exhaust Outlet Manifold

32

Heating circulating pump

36

Automatic Air Vent

39

DHW Flow Regulator

42

DHW Temperature Sensor

44

Gas Valve

81

Ignition and Detection Electrode

95

3 Way Diverter Valve

114

Water Pressure Switch

136

Flow Meter

194

DHW Flate Plate Heat Exchanger

278

Double Sensor - High Limit NTC

297

Air Pressure Switch

364

Condensate Union

Unit Weight - 74 LBS (33.5 kg)

Shipping Weight - ~ 78 LBS (35.5 kg)

7

3 - GENERAL VIEW AND MAIN COMPONENTS