SAUNIER DUVAL S403000003 DHW MICROSWITCH

  • Our Part No: 1416257
  • MPN: S403000003
SAUNIER DUVAL S403000003 DHW MICROSWITCH

We're sorry but this product has now been discontinued by Saunier Duval and can no longer be purchased.

No known replacement is available.

Why Choose DHS?

SAUNIER DUVAL S403000003 DHW MICROSWITCH.

Product Information: The microswitch gives the appliance the ability to perform specific actions dependent on certain stimuli. The microswitch in a hydraulic diverter valve, for example, is activated when a tap that is connected to the system is is switched on. The microswitch then sends a communication to the electronic control, letting it know that more hot water is needed and that the procedure for heating water should be activated. There are various models of microswitch dependent on the location and what mechanism they are attached to.

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

We recommend that all parts are fitted by a fully qualified gas safe certified technician. Please feel free to contact us if you require our help finding a part. Collectively we have over 200 years of boiler spares knowledge and distribution experience and our friendly call centre staff will be happy to help you with any query you may have


The SAUNIER DUVAL S403000003 DHW MICROSWITCH is a genuine, brand new Saunier Duval product, covered by a Saunier Duval manufacturer's guarantee.

Not what you're looking for? Try our unique Spares Finder tool or you can view all Saunier Duval 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.

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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