VAILLANT 143942 KNOB

  • Our Part No: 1376140
  • MPN: 143942

We're sorry but this product has now been discontinued by Vaillant Boiler Spares and can no longer be purchased.

No known replacement is available.

Why Choose DHS?

VAILLANT 143942 KNOB.

The control knob allows you to manually control certain aspects of the appliances functionality. The control knob is usually located on one of the spindles on the front of the control panel. Dependent on the appliance the control knob gives you the ability to change temperature or even its functionality between hot water and central heating .

We dont have this part listed against any specific appliance present on our website, if you have been told that this is the part you require please contact us.


The VAILLANT 143942 KNOB is a genuine, brand new Vaillant Boiler Spares product, covered by a Vaillant Boiler Spares manufacturer's guarantee.

Not what you're looking for? Try our unique Spares Finder tool or you can view all Vaillant Boiler Spares products.

For advice on this or any product, please call us on 0330 123 3707, email us at web@dhsspares.co.uk, or see additional ways to contact us here.

This part fits the following 4 appliances (sorted alphabetically):

May fit others. If you are unsure of your product model, or would like more information, please contact us.

At DHS we offer a range of product options to suit different budgets and requirements, while maintaining quality and reliability across all categories.

Below is an explanation of each product type available on our website. Please note that not all products will have all options available.

Unbranded Part

BEST VALUE

Unbranded Component Product. Genuine manufacturer component, but no branded packaging.

  • Sourced Directly from the Manufacturer
  • Supplied in Unbranded Packaging
  • Same Quality & Function as OEM Version
  • Cost Effective Alternative
  • 12 Month Warranty

Branded Part

ORIGINAL PART

Original Equipment Manufacturer Component with branded packaging.

  • Genuine Original Part
  • Sourced Directly from the Manufacturer
  • Manufacturers Official Packaging
  • Trusted Manufacturer Quality
  • 12 Month Warranty

Alternative Part

Compatible replacement parts sourced from a third party Manufacturer.

  • Lower Cost Replacement Option
  • Fully Functional Alternative
  • Appearance, design or materials may differ from the original part
  • 12 Month Warranty

Refurbished Part

Original OEM components that have been professionally refurbished.

  • Genuine OEM Component Professionally Refurbished and Tested
  • Environmentally Conscious Choice
  • Excellent Value for Money
  • 12 Month Warranty

Need Help Choosing?

If you are unsure of which product category is right for your repair or installation, our team is happy to help.

Contact us for expert advice on compatibility, pricing and availability.

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