Viessmann Combustion Insulation Block 7827843 – Brand New

Description

The Viessmann Combustion Insulation Block 7827843 is a genuine brand-new replacement component for selected Viessmann Vitodens 100-W boilers. Supplied under manufacturer part number 7827843, this combustion insulation block comes with a 12-month warranty. Always check your boiler model, output, serial number and part number before ordering.

The combustion insulation block helps provide thermal insulation around the boiler’s combustion area. It helps protect surrounding components from excessive heat and supports safe boiler operation. A damaged or deteriorated insulation block should be replaced promptly by a suitably qualified Gas Safe registered engineer.

Product Details

Brand: Viessmann
Part Type: Combustion Insulation Block
MPN: 7827843
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

Viessmann Vitodens 100-W WB1B

Fits Appliance GC No.
100-W WB1B 26kW Combi (Serial No. 7373061) 47-819-12
100-W WB1B 26kW System (Serial No. 7373060) 41-819-18
100-W WB1B 30kW Combi (Serial No. 7373063) 47-819-13
100-W WB1B 30kW System (Serial No. 7373062) 41-819-19
100-W WB1B 35kW Combi (Serial No. 7373065) 47-819-14
100-W WB1B 35kW System (Serial No. 7373064) 41-819-20

Before ordering, please check your boiler model, GC number, serial number and Viessmann manufacturer part number 7827843 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 combustion insulation block 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 7827843 insulation block compatible with my boiler?

It fits the listed Viessmann Vitodens 100-W WB1A and WB1B boilers. Always check the exact model, output and serial number before ordering.

What does the combustion insulation block do?

The insulation block provides thermal insulation around the combustion area, helping protect nearby boiler components from excessive heat.

What happens if the combustion insulation is damaged?

Damaged or deteriorated insulation can reduce thermal protection around the combustion area. It should be inspected and replaced by a suitably qualified engineer where necessary.

How do I confirm that 7827843 is the correct replacement?

Check your boiler model, GC number and serial number against the compatibility list. Also confirm that Viessmann part number 7827843 matches the required component.

Does this Viessmann insulation block come with a warranty?

Yes. This genuine brand-new Viessmann Combustion Insulation Block 7827843 comes with a 12-month warranty.