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> 500 Reviews*
*as of January 2026
  1. Home
  2. Spare parts
  3. Firing - replacement parts
  4. FIRING - replacement parts by manufacturer
  5. Vaillant gas
  6. Diaphragms
  1. Home
  2. Home
  3. Spare parts
  4. Firing - replacement parts
  5. FIRING - replacement parts by manufacturer
  6. Vaillant gas
  7. Diaphragms

  • Diaphragms

Vaillant gas

  • Expansion tanks
  • Adapter plug
  • Safety valve
  • Overflow valves
  • Pumps and accessories
  • Heat exchanger
  • Hydraulic and water switches
  • Diaphragms
  • Water flow control
  • Temperature selectors/valves/accessories
  • air vent
  • Pressure and flow monitors
  • Pressure gauge and thermometer
  • Gas fittings
  • Diaphragm pump/gas valve
  • Burners and ignition burners
  • Ignition electrodes and accessories
  • Monitoring electrodes
  • Thermocouples
  • Piezo igniters
  • Fan
  • Air/flue gas evacuation and seals
  • Burner seals and insulation plates
  • Temperature sensor
  • Temperature limiter
  • Double thermostat, temperature controller
  • Circuit boards
  • Automatic gas firing systems
  • Ignition transformers
  • Room temperature controllers and timer switches
  • Fuses
  • Seals
  • Service parts
  • Panelling parts and accessories
  • Anodes and flange seals
  • Vaillant oil replacement parts
  • Maintenance set

Diaphragms

5 / 5
Hauptbild
45 100 64
Membrane complete for water switch 01-0359 1 off
Immediately available
  • Suitable for Vaillant: VC/VCW 180, 182, 184, 185, 240, 242, 280, 282
  • For water switch
  • Ref. no.: 01-0359
Hauptbild
45 100 67
Membrane comp. for priority switch valve 01-0337 1 off
Immediately available
  • Suitable for Vaillant: VC/VCW 180, 182, 184, 185, 240, 242, 280, 282
  • For priority switching valve
  • Ref. no.: 01-0337
Hauptbild
45 101 11
Membrane 01-0375 5 supplied
Currently not in stock
  • Suitable for Vaillant:
    VC/VCW T3 MAG…/7-8
  • Ref. no.: 01-0375
  • PU = 5 units
Hauptbild
45 101 12
Membrane 01-0318 1 off
Only a few items left in stock
  • Suitable for Vaillant:
    VC/VCW T3 W
  • Ref. no.: 01-0318
Hauptbild
45 101 31
Membrane complete 01-0347 1 off
Currently not in stock
  • Suitable for Vaillant:
    MAG.../9-10
    (Water switch top part)
  • Ref. no.: 01-0347

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About us

Contact

Career

Pick-up counter

Bathroom exhibition

Advertising media

FAQ

WS App

Online bathroom advice

Toilet seat configurator

All Service topics

Catalogues

Label Generator

Order forms

Datanorm

Planning forms

Returns & Complaints

All download options

Terms & Conditions

Legal Notice

Data Protection

Disclaimer

Delivery & shipping conditions

Orders

Quick order

Favourite lists

Roles & rights

Manage company users

Instagram

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+497433 9892 12

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