Description
The Viessmann 200 WB2B Plate Heat Exchanger 7827950 is a genuine brand-new replacement component for selected Viessmann Vitodens 200-W combi boilers. Supplied under manufacturer part number 7827950, this plate heat exchanger comes with a 12-month warranty. Always confirm your boiler model, output, serial number and part number before ordering.
The plate heat exchanger transfers heat between the boiler’s primary heating circuit and domestic hot water supply. A faulty or scaled heat exchanger may cause poor hot water performance, reduced flow or temperature fluctuations. Installation should be completed by a suitably qualified Gas Safe registered engineer.
Boiler Compatibility
Viessmann Vitodens 200 WB2B
Fits Appliance GC No.
200 WB2B 30kW Combi (Serial No. 7248827) 47-819-10
200 WB2B 35kW Combi (Serial No. 7248829) 47-819-11
200-W WB2B 35kW Combi (Serial No. 7194477)
Viessmann Vitodens 200-W B2KA
Fits Appliance GC No.
200-W B2KA 30kW Combi (Serial No. 7454872)
200-W B2KA 35kW Combi (Serial No. 7454874)
Before ordering, please check your boiler model, GC number, serial number and Viessmann manufacturer part number 7827950 to ensure this is the correct replacement part for your appliance.
Delivery & Collection
Collection is available from our Newcastle showroom at Unit 5, Penn Street, Newcastle upon Tyne, NE4 7BG, subject to stock availability. We also offer fast UK delivery via Royal Mail First Class or DPD Next Day, with most orders arriving within one to two working days. Boiler components should be installed by a suitably qualified Gas Safe registered engineer.
Warranty
This brand-new genuine Viessmann boiler plate heat exchanger is supplied with a 12-month warranty. Warranty claims may be subject to inspection and confirmation that the component was correctly selected and professionally installed.
Returns
We accept returns within 30 days of delivery. The product must be unused, unfitted and returned in its original unopened packaging with all seals intact. We cannot accept returns for components that have been fitted, used, damaged or returned in an unsuitable condition. Please check the boiler model, GC number, edition, serial-number range and part number carefully before ordering.
If you need any help, our team is happy to assist. Please contact us by phone or WhatsApp chat.
Frequently Asked Questions
Is the Viessmann 7827950 plate heat exchanger compatible with my boiler?
It is compatible with the selected Viessmann 200 WB2B and 200-W B2KA combi boilers listed above. Always check the boiler model, output and serial number before ordering.
What does a plate heat exchanger do?
The plate heat exchanger transfers heat from the boiler’s primary circuit to the domestic water supply, helping provide hot water.
What are the symptoms of a faulty plate heat exchanger?
Common symptoms include poor hot water flow, fluctuating water temperature, reduced hot water performance and difficulty reaching the required temperature. Limescale or blockage can also affect performance.
How do I confirm that 7827950 is the correct replacement?
Check your boiler model, output and serial number, then confirm that Viessmann part number 7827950 matches the existing component or official appliance parts information.
Does this plate heat exchanger come with a warranty?
Yes. This genuine brand-new Viessmann plate heat exchanger 7827950 comes with a 12-month warranty.











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