Viessmann Vitodens 100-W WB1A Heat Exchanger 7878907

Description

The Viessmann Vitodens 100-W WB1A Heat Exchanger 7878907 is a genuine brand-new replacement heat exchanger designed for selected Viessmann Vitodens 100-W WB1A boilers. Supplied under manufacturer part number 7878907, this heat exchanger comes with a 12-month warranty. Always confirm your boiler model, output, serial number and part number before ordering.

The heat exchanger transfers heat from the burner to the system water, helping provide efficient heating and hot water. A faulty or blocked heat exchanger may cause poor heating performance, overheating, reduced hot water flow or boiler lockouts. Installation should be completed by a suitably qualified Gas Safe registered engineer.

Product Details

Brand: Viessmann
Part Type: Heat Exchanger
MPN: 7878907
Warranty: 12 Months
Condition: Genuine Brand New

Boiler Compatibility

Viessmann Vitodens 100-W WB1A

Fits Appliance GC No.

100 WB1A 24kW Combi (Serial No. 7179917) 47-819-04
100 WB1A 24kW System (Serial No. 7179918) 41-819-09
100-W WB1A 30kW Combi (Serial No. 7179916) 47-819-05

Before ordering, please check your boiler model, GC number, serial number and Viessmann manufacturer part number 7878907 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 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 7878907 heat exchanger compatible with my boiler?

The 7878907 heat exchanger fits the listed Viessmann Vitodens 100-W WB1A 24kW and 30kW boilers. Always check the exact model and serial number before ordering.

What does the Viessmann 7878907 heat exchanger do?

The heat exchanger transfers heat from the burner to the system water, helping the boiler provide heating and hot water efficiently.

What are the symptoms of a faulty heat exchanger?

Common symptoms can include poor heating performance, reduced hot water temperature, overheating, unusual boiler noises, restricted water flow or repeated boiler lockouts.

How can I confirm that 7878907 is the correct replacement?

Check your boiler model, output and serial number against the compatibility list. Also confirm that Viessmann part number 7878907 matches the required replacement.

Does the Viessmann 7878907 heat exchanger come with a warranty?

Yes. This genuine brand-new Viessmann heat exchanger comes with a 12-month warranty.