HALSTEAD 300721 3/8" MINI DCVA & ISOLATION VALVE

  • Our Part No: 1291234
  • MPN: 300721

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

No known replacement is available.

Why Choose DHS?

HALSTEAD 300721 3/8" MINI DCVA & ISOLATION VALVE.

Product Information: The isolation valve is located underneath your appliance and enables the user to change the flow of water and gas in to the central heating system. These also allow you to stop the flow completely in case of a leak or emergency.

This part is present in 5 different boilers in the Halstead range including the Halstead FINEST PLATINUM , FINEST PLATINUM , EDEN CBX , EDEN CBX , EDEN SBX . 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. If none of these models match the appliance you have, please contact us before ordering so we can confirm this part is compatible.

We recommend that all parts are fitted by a fully qualified gas safe certified plumber. 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 HALSTEAD 300721 3/8" MINI DCVA & ISOLATION VALVE is a genuine, brand new Halstead Heating Boiler Parts product, covered by a Halstead Heating Boiler Parts manufacturer's guarantee.

Not what you're looking for? Try our unique Spares Finder tool or you can view all Halstead Heating Boiler Parts 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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