Description
The Viessmann Insulating Ring 7827846 is a genuine brand-new replacement component for selected Viessmann boilers, including compatible Vitodens 100-W WB1A models. The component is identified by Viessmann manufacturer part number 7827846 and comes with a 12-month warranty. Always check your boiler model, output, serial number and part number before ordering.
The insulating ring helps provide the required separation and sealing around the relevant boiler assembly. A damaged or deteriorated ring may affect the correct positioning or sealing of the component. Installation should be completed by a suitably qualified Gas Safe registered engineer.
Product Details
Brand: Viessmann
Part Type: Insulating Ring
MPN: 7827846
Model/Specification: B2HB 45-57
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 7827846 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 insulating ring 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 7827846 insulating ring compatible with my boiler?
The 7827846 insulating ring is listed for the Viessmann 100-W WB1A models and serial numbers shown in the compatibility section. Always check your exact boiler details before ordering.
What does the Viessmann insulating ring do?
The insulating ring helps provide the required insulation, positioning and sealing around the relevant boiler component.
What symptoms may indicate a damaged insulating ring?
A damaged or deteriorated insulating ring may affect the correct positioning or sealing of the associated component. Professional inspection can confirm whether replacement is required.
How can I confirm that 7827846 is the correct replacement?
Check your boiler model, output and serial number against the compatibility list. You should also confirm that Viessmann part number 7827846 matches the required component.
Does this Viessmann insulating ring come with a warranty?
Yes. This genuine brand-new Viessmann insulating ring comes with a 12-month warranty.











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