JOHNSON AND STARLEY S00990 3 PORT MID-POSITION VALVE DANFOSS 22MM

Johnson & Starley Boiler Spares logo
  • Our Part No: 1691363
  • MPN: S00990

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

No replacement available.

Why Choose DHS?

JOHNSON AND STARLEY S00990 3 PORT MID-POSITION VALVE DANFOSS 22MM.

Product Information: The diverter valve is a device that only appears in combi boilers. It allows the hot water to be redirected to the central heating (radiators, etc.) or to the DHW system (taps, etc.). This feature is what seperates a normal boiler from a combi boiler due to the diverter valve allowing use of hot water and heating without the need for a cylinder

This part is listed against 2 boilers on our website, The Johnson And Starley HEATBANK , HIFLOW . If neither of these models match the appliance 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 links to all boilers that contain this part, Please use this if you would like to view all other spares that fit that model and download the user manual for that appliance.

We recommend that all parts are fitted by a fully qualified gas safe certified plumber. If you require any assistance finding 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 JOHNSON AND STARLEY S00990 3 PORT MID-POSITION VALVE DANFOSS 22MM is a genuine, brand new Johnson & Starley Boiler Spares product, covered by a Johnson & Starley Boiler Spares manufacturer's guarantee.

Not what you're looking for? Try our unique Spares Finder tool or you can view all Johnson & Starley 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 3 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 variants available.

UCP

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

OEM

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

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

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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