ALPHA 1.018837 DHW EXPANSION VESSEL (CB50)

  • Our Part No: 1250249
  • MPN: 1.018837
ALPHA 1.018837 DHW EXPANSION VESSEL (CB50)
Free UK Delivery

£183.60inc VAT

£153.00 ex VAT

1 in stock with next day delivery available

  • Free UK Delivery

    This product is eligible for free UK delivery.

  • Same Day Despatch

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Other Available Options...

Unbranded Part
Ucp 1.018837 Dhw Expansion Vessel 4L

Ucp 1.018837 Dhw Expansion Vessel 4L

£165.60 inc VAT

  • Browse more products in the
    Gas Boiler Spares category

  • Browse more products from
    Alpha

  • Secure Express Checkout
    with a selection of payment options

  • 12 Month Warranty
    On all parts

ALPHA 1.018837 DHW EXPANSION VESSEL (CB50).

Product Information: The expansion vessel is a small chamber that is utilised to protect heating systems from pressure surges. The pressure vessel is filled with air that acts as a cushion against surges in pressure within the system.

This part is listed against 2 boilers on our website, The Alpha CB 50 , CD 50 . 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 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 ALPHA 1.018837 DHW EXPANSION VESSEL (CB50) is a genuine, brand new Alpha product, covered by a Alpha manufacturer's guarantee.

Available for same day despatch if ordered before 7pm (Monday – Friday), otherwise despatching will be on the next working day. For the delivery options available for this product, please add it to your Shopping Basket or see our delivery options page.

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

  • Brand: Alpha
  • Name: ALPHA 1.018837 DHW EXPANSION VESSEL (CB50)
  • MPN: 1.018837
  • Our Part No: 1250249
  • Categories:
  • Availability: In stock - Next day delivery available
  • Despatch: Same day despatch (before 7pm Monday – Friday)
  • Condition: Brand new
  • Guarantee: Yes
  • Returns: 30 days

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 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.

Why buy from Direct Heating Spares?

There are many great reasons to choose us over our competitors!

  • Trading since 2006, we are the UK's top supplier of boiler and heating spares.
  • Official stockists for over 100 leading UK and European brands.
  • Over 20,000 parts stocked in our UK warehouse located in Chorley, Lancashire.
  • Competitive pricing with a secure checkout and a choice of payment methods.
  • Late order cut-off time of 7pm (Monday – Friday) for same day despatch.
  • We offer multiple options for delivery and collection.
  • Our team are available every day (excluding bank holidays) should you need support.
  • Generous returns policy of 30 days as standard.
  • We are passionate about giving back to charity.

This product is eligible for free UK delivery.

We offer several delivery options, leveraging our long-standing relationships with trusted and reputable UK couriers.

We also partner with UPS to allow you to collect your order from over 3,000 Access Points across the country at your convenience, including local shops and newsagents.

The full selection of these will be shown at the Basket stage. Simply add your desired product(s) to your Basket and the most appropriate delivery options will be dynamically calculated for you.

We despatch orders up to 7pm (Monday – Friday). Due to our large stockholding, your product(s) will likely be suitable for next day delivery in the vast majority of cases.

Please see our Delivery Options page for more information.

We are proud to offer a generous returns policy of 30 days as standard to all online customers.

Please see our Returns Policy here for more information and exclusions.

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