GLOWWORM 0020038508 MICROSWITCH 3WV

  • Our Part No: 1338315
  • MPN: 0020038508

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

No known replacement is available.

Why Choose DHS?

GLOWWORM 0020038508 MICROSWITCH 3WV.

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

This part is listed against 2 boilers on our website, The Glowworm BETACOM 24 , BETACOM 30 . 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 engineer. If you require any help 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 GLOWWORM 0020038508 MICROSWITCH 3WV is a genuine, brand new Glowworm Boiler Spares product, covered by a Glowworm Boiler Spares manufacturer's guarantee.

Not what you're looking for? Try our unique Spares Finder tool or you can view all Glowworm 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 2 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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