Viessmann Flapper Air/Fuel 7823838 – Genuine Brand New

Description

The Viessmann Flapper Air/Fuel 7823838 is a genuine brand-new replacement component for selected Viessmann Vitodens 100-W WB1A boilers. Supplied under manufacturer part number 7823838, this component comes with a 12-month warranty. Always check your boiler model, output, serial number and part number before ordering.

The flapper forms part of the boiler’s air and fuel control system and helps regulate the correct operating conditions for combustion. A faulty component may contribute to poor burner operation, ignition problems or boiler lockouts. Installation and testing should be completed by a suitably qualified Gas Safe registered engineer.

Product Details

Brand: Viessmann
Part Type: Flapper (Air/Fuel)
MPN: 7823838
Warranty: 12 Months
Condition: Genuine Brand New

Boiler Compatibility

Viessmann Vitodens 100-W WB1A

Fits Appliance GC No.
100 WB1A 18kW Heat Only (Serial No. 7179920) 41-819-12
100 WB1A 24kW Combi (Serial No. 7179917) 47-819-04
100 WB1A 24kW Heat Only (Serial No. 7179919) 41-819-10
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 7823838 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 Flapper Air/Fuel 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 7823838 Flapper Air/Fuel compatible with my boiler?

It fits the listed Viessmann Vitodens 100-W WB1A boilers, including the specified 18kW, 24kW and 30kW models. Always check the serial number before ordering.

What does the Viessmann 7823838 flapper do?

The flapper forms part of the boiler’s air and fuel control system and helps maintain the correct conditions for burner operation.

What symptoms may indicate a faulty flapper?

Possible symptoms include poor burner operation, ignition problems, inconsistent boiler performance or repeated lockouts. Other components can cause similar symptoms, so professional diagnosis is recommended.

How do I confirm that 7823838 is the correct replacement?

Check your boiler model, output and serial number against the compatibility list. Also confirm Viessmann part number 7823838 before ordering.

Does this Viessmann flapper come with a warranty?

Yes. This genuine brand-new Viessmann Flapper Air/Fuel 7823838 comes with a 12-month warranty.