The following are parts commonly required as replacements, due to damage or expendability. The failure or absence is likely to affect the safety and/or performance of this appliance.

The list is extracted from the British Gas List of Parts which contains all available spare parts.

The full list is held by British Gas, Caradon Plumbing Ltd. distributors and merchants.

When ordering spares please quote:

1Boiler model (see Data Plate)

2Appliance G.C. number (see Data Plate)

3 Description

4 Quantity

5 Product No.

Key

G.C. No

Description

No. Off/

Product No.

No.

 

 

Boiler

 

 

 

 

 

 

1

173---148

Burner (mod. mini HE C24)

1

075427

 

 

 

 

 

 

173---149

Burner (mod. mini HE C28, mini HE C32)

1

075535

 

 

 

 

 

2

H07---337

Main heat exchanger + ’O’ rings (mod. mini HE C24)

1

173991

 

 

 

 

 

 

H07---542

Main heat exchanger + ’O’ rings (mod. mini HE C28)

1

173992

 

 

 

 

 

 

H45---153

Main heat exchanger + ’O’ rings (mod. mini HE C32)

1

174481

 

 

 

 

 

3

H07---112

Recuperator

1

173993

 

 

 

 

 

4

169---069

Injectors for natural gas (mod. mini HE C24)

12

075692

 

 

 

 

 

 

 

Injectors for natural gas (mod. mini HE C28, mini HE C32)

14

 

 

 

 

 

 

 

E01---156

Injectors for LPG (mod. mini HE C24)

12

173982

 

 

 

 

 

 

 

Injectors for LPG (mod. mini HE C28)

14

 

 

 

 

 

 

 

H45---178

Injectors for LPG (mod. mini HE C32)

14

174483

 

 

 

 

 

5

H21---048

Fan (mod. mini HE C24)

1

173983

 

 

 

 

 

 

H21---049

Fan (mod. mini HE C28, mini HE C32)

1

173984

 

 

 

 

 

6

H44---162

Gas valve + gaskets

1

174465

 

 

 

 

 

7

169---127

Air pressure switch (mod. mini HE C24, mini HE C32)

1

173236

 

 

 

 

 

 

H08---605

Air pressure switch (mod. mini HE C28)

1

173136

 

 

 

 

 

8

E83---013

Safety valve

1

172494

 

 

 

 

 

9

H44---169

Electronic regulation p.c.b.

1

174469

 

 

 

 

 

10

E00---684

Primary circuit flow switch

1

075419

 

 

 

 

 

11

E83---082

DHW flow switch

1

174462

 

 

 

 

 

12

E00---688

Main. flow switch membrane

1

075421

 

 

 

 

 

13

E83---101

Overheat thermostat

1

172512

 

 

 

 

 

14

E57---048

DHW heat exchanger + ’O’ rings (mod. mini HE C24)

1

075460

 

 

 

 

 

 

E57---049

DHW heat exchanger + ’O’ rings (mod. mini HE C28, mini HE C32)

1

075540

 

 

 

 

 

15

H20---986

Automatic air purger valve

1

173813

 

 

 

 

 

16

H07---840

Pump + ’O’ rings

1

174004

 

 

 

 

 

17

E83---145

Temperature---pressure gauge

1

172551

 

 

 

 

 

18

H32---598

Flue temperature probe

1

174478

 

 

 

 

 

19

E83---086

Three way diverter valve (electric actuator)

1

172505

 

 

 

 

 

20

H21---060

Sealed chamber gaskets kit

1

173986

 

 

 

 

 

21

H32---550

Magnetic flow switch and filter

1

174461

 

 

 

 

 

22

E83---127

Ignition electrode --- left

1

172533

 

 

 

 

 

23

E83---126

Ignition electrode --- right

1

172532

 

 

 

 

 

24

E83---122

Detection electrode

1

172531

 

 

 

 

 

25

E69---243

Window (glass + rubber frame)

1

170977

 

 

 

 

 

26

169---141

1/2” flat gasket

3

075514

 

 

 

 

 

27

169---033

3/4” flat gasket

4

075415

 

 

 

 

 

28

H44---170

Fuse 3,15 AF

2

174470

 

 

 

 

 

29

164---026

Temperature probe (main or DHW circuit)

1

172496

 

 

 

 

 

30

H21---052

Side case panel

2

173987

 

 

 

 

 

mini HE --- Installation & Servicing

59

Page 59
Image 59
Mamiya C24 manual Burner mod. mini HE C28, mini HE C32, 075535, Fan mod. mini HE C28, mini HE C32, 173984

C28, C24, C32 specifications

The Mamiya C series is celebrated among photography enthusiasts for its unique twin-lens reflex (TLR) design, offering both a classic aesthetic and innovative features that set it apart in the world of medium format cameras. The C32, C24, and C28 models represent a range of technology and design advancements that cater to various shooting needs.

The Mamiya C32, introduced in the early 1970s, is renowned for its precision engineering and versatility. This model features interchangeable lenses, allowing photographers to switch between different focal lengths for creative flexibility. The camera supports 120 and 220 film formats, enabling higher film capacities for extended shooting sessions. An essential feature of the C32 is its built-in light meter, which enhances exposure accuracy by providing real-time readings. The camera's bright waist-level finder offers excellent viewing comfort and composition aid, attracting those who appreciate a more hands-on shooting experience.

Next in line, the Mamiya C24 offers a slightly more compact and lighter design, making it an appealing option for documentary and street photographers. While still featuring the electronic leaf shutter system utilized in the C32, the C24 omits built-in metering, which encourages users to develop their exposure skills. The lens selection remains robust, with options ranging from wide-angle to telephoto, allowing for creative versatility. The C24's rugged build quality and reliable shutter performance make it a trusted companion in various shooting conditions.

Lastly, the Mamiya C28 provides a perfect blend of portability and advanced capabilities. With its ergonomic design and improved lens coatings, the C28 offers enhanced image quality with better contrast and sharpness. Similar to its predecessors, it utilizes an interchangeable lens system but enhances user convenience through quick-to-use shutter speeds and aperture settings. The camera is also compatible with a range of accessories, such as flash units and close-up attachments, further expanding its creative potential.

In summary, the Mamiya C32, C24, and C28 each present unique features and technological advancements that cater to various types of photographers. Whether it's the precision of the C32, the compact convenience of the C24, or the versatile performance of the C28, these cameras maintain a special place in the hearts of medium format enthusiasts, showcasing the blend of craftsmanship and innovation that Mamiya is known for.