Description
The Viessmann 100-W WB1C Insulating Ring 7834987 is a genuine brand-new replacement component for selected Viessmann Vitodens 100-W, 111-W and WBP boiler models. This insulating ring is identified by manufacturer part number 7834987 and comes with a 12-month warranty. Always confirm your boiler model, GC number, serial number and part number before ordering.
The insulating ring helps provide thermal separation and supports the correct assembly of the relevant boiler components. Using the correct replacement ring helps maintain the appliance’s designed construction and operation. Installation should be completed by a suitably qualified heating engineer.
Product Details
Brand: Viessmann
Part Type: Insulating Ring
MPN: 7834987
Warranty: 12 Months
Condition: Genuine Brand New
Boiler Compatibility
Viessmann Vitodens 100-W WB1C
Fits Appliance GC No.
100 WB1C 19kW System (Serial No. 7499423) 41-819-26
100 WB1C 26kW Combi (Serial No. 7499425) 47-819-20
100 WB1C 26kW System (Serial No. 7499424) 41-819-27
100 WB1C 30kW Combi (Serial No. 7499427) 47-819-21
100 WB1C 30kW System (Serial No. 7499426) 41-819-28
100 WB1C 35kW Combi (Serial No. 7499429) 47-819-22
100 WB1C 35kW System (Serial No. 7499428) 41-819-29
100-W WB1C 30kW Combi (Serial No. 7441745)
Viessmann Vitodens 100-W WB1HA
Fits Appliance GC No.
100 WB1HA 19kW System Erp (Serial No. 7543420) 41-819-36
100 WB1HA 26kW System Erp (Serial No. 7543421) 41-819-37
100 WB1HA 30kW System Erp (Serial No. 7543423) 41-819-38
100 WB1HA 35kW System Erp (Serial No. 7543425) 41-819-39
Viessmann Vitodens 100-W WB1HC
Fits Appliance GC No.
100 WB1HC 19kW System (Serial No. 7570671) 41-819-40
100 WB1HC 26kW System (Serial No. 7570672) 41-819-41
100 WB1HC 30kW System (Serial No. 7570674) 41-819-42
100 WB1HC 35kW System (Serial No. 7570676) 41-819-43
Viessmann Vitodens 100-W WB1KC
Fits Appliance GC No.
100 WB1KC 26kW Combi (Serial No. 7570673) 47-819-40
100 WB1KC 30kW Combi (Serial No. 7570675) 47-819-41
100 WB1KC 35kW Combi (Serial No. 7570677) 47-819-42
Viessmann Vitodens 100 WBP JA
Fits Appliance GC No.
100 WBP JA 25kW Combi (Serial No. 7501297) 47-819-26
100 WBP JA 29kW Combi (Serial No. 7501298) 47-819-27
Viessmann Vitodens 111-W WB1LD
Fits Appliance GC No.
111 WB1LD 26kW (Serial No. 7570732) 47-819-43
111 WB1LD 35kW (Serial No. 7570733) 47-819-44
Viessmann Vitodens 111-W B1LB
Fits Appliance GC No.
111-W B1LB 26kW (Serial No. 7543448)
111-W B1LB 35kW (Serial No. 7543449)
Before ordering, please check your boiler model, GC number, serial number and Viessmann manufacturer part number 7834987 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 7834987 insulating ring compatible with my boiler?
The 7834987 insulating ring fits the selected Viessmann 100-W WB1C, WB1HA, WB1HC, WB1KC, WBP JA, 111-W WB1LD and B1LB models listed above. Check your exact boiler model and serial number before ordering.
What does the Viessmann 7834987 insulating ring do?
The insulating ring helps provide thermal separation between relevant boiler components and supports the correct assembly of the appliance.
How do I confirm that 7834987 is the correct replacement?
Check your boiler model, GC number and serial number, then confirm that Viessmann manufacturer part number 7834987 matches your existing component or the relevant appliance parts information.
What could happen if the wrong insulating ring is fitted?
Using an incorrect component may affect the intended assembly or thermal separation of the boiler. Always use the correct part specified for your appliance.
Does this product come with a warranty?
Yes. This genuine brand-new Viessmann insulating ring 7834987 comes with a 12-month warranty.
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