I made my purchase from Spain. Excellent customer service. They keep you informed about the status of your order at all times.
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Ordered an ebus - Opentherm converter board for my glow work boiler. These are not sold in the UK but this wonderful store shipped me one very quickly and it works exactly as expected. Price, deli... See more
It is not just a smart reader, it is a very smart and gratifying experience. Less than 24 hours from the purchase to the first data streams inside a HomeAssistant instance. Trully plug and play, fanta... See more
Ordering was simple and straightforward and got order confirmation straightaway. But they only dispatched the item 5 days later after multiple messages and call prompts from myself. This was not i... See more
Company replied
Company details
Written by the company
goede gebruikte en nieuwe cvonderdelen
Contact info
M.J. van Olmstraat 31, 9672AE, Winschoten, Netherlands
- 0643111692
- info@cvonderdelenhartog.nl
- www.cvonderdelenhartog.nl
4.6
Excellent
223 reviews
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Replied to 100% of negative reviews
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Excellent customer service
I made my purchase from Spain. Excellent customer service. They keep you informed about the status of your order at all times.
9 April 2026
Great shop
Great shop. Supports also company invoices. All arrived fast by courier. Also have variety of parts.
23 February 2026
Highly recommended.
Received part (VR33) in a little over 96 hours from ordering (UK). Fantastic service. Great parcel tracking from postNL too.
16 February 2026
Quick shipping
I received the part I ordered within 2 days, installed it, and have steady hot water now. So I am happy.
12 February 2026
Not working.
13 October 2025
Reply from Cvonderdelenhartog
What doesn't work? Did you order the right product for your boiler?
It is not just a smart reader
It is not just a smart reader, it is a very smart and gratifying experience. Less than 24 hours from the purchase to the first data streams inside a HomeAssistant instance. Trully plug and play, fantastic ! I wish more products would work that way. Welldone Marcel !
10 December 2024
Fast delivery
Ordered a part that is impossible to buy in UK. VR33 allows Vaillant boiler to work with any opentherm boiler rather than Vaillants proprietary ebus controllers.
11 November 2024
Exactly what I wanted at the right…
Exactly what I wanted at the right price and very fast delivery by dhl.
4 March 2024
Delayed delivery
Ordering was simple and straightforward and got order confirmation straightaway.
But they only dispatched the item 5 days later after multiple messages and call prompts from myself. This was not ideal.
10 February 2024
Reply from Cvonderdelenhartog
Thank you for your response,
deliveries to the United Kingdom always take a long time.
Since this is outside the EU and we have to complete customs forms,
shipping may take longer
very good service to the uk
12 December 2023
Ordered online in the UK
Ordered online in the UK. Shipped and delivered with no delays. Great service.
10 October 2023
The right prize and a fine delivery…
The right prize and a fine delivery time, even to dk
23 March 2023
Reply from Cvonderdelenhartog
Thanks for your feedback, if you had sent us an email we could have solved it, Everyone makes mistakes sometimes but you have to give the opportunity to solve it
Great product, exactly as described.
Ordered an ebus - Opentherm converter board for my glow work boiler. These are not sold in the UK but this wonderful store shipped me one very quickly and it works exactly as expected.
Price, delivery and product great value and amazing service.
13 February 2023
Hassle free transaction
23 January 2023
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