SAUNIER DUVAL 5404400 DIAPHRAGM ONLY

  • Our Part No: 1415168
  • MPN: 5404400

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 5404400 DIAPHRAGM ONLY.

Product Information: This part is based around the diverter valve section. The diverter valve is an instrument that only appears in combi boilers. It allows the hot water to be sent to the heating system (radiators, etc.) or to the hot water system (taps, etc.). This feature is what makes a combi boiler so popular due to the fact the boiler can provide hot water and heating without the need for a cylinder.

We only have this part as fitting one appliance, The Saunier Duval SD 2.10 A NP . If this isn't the model you have, please contact us before ordering so we can confirm this part is compatible. In the next tab there is an appliance grid with a link to the Saunier Duval SD 2.10 A NP , Please follow this link to view all parts available for that model and to download any available manuals.

We recommend that all parts are fitted by a fully qualified gas safe certified engineer. If you require any help locating a part, please feel free to contact us. 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 5404400 DIAPHRAGM ONLY 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.

Recently Viewed Products...

BUDE 7115160 COVER FOR HOLDERS NE 2.0

Part No: 2241484 / MPN: 7115160

Sorry, this part is now obsolete

View Part Details