Worcester Greenstar CDI System Expansion Vessel 8716122434

Description

The Worcester Greenstar 30 CDI System Expansion Vessel 8716122434 is a genuine brand-new replacement expansion vessel designed for selected Worcester Greenstar and compatible boiler models. Supplied under manufacturer part number 8716122434, this expansion vessel is listed for the boiler models and GC numbers shown below. Before ordering, always check your boiler model, GC number and existing part number to ensure compatibility.

The expansion vessel forms part of the sealed heating system and accommodates changes in water volume as the heating system temperature changes. A faulty or failed expansion vessel can contribute to pressure problems and other heating system issues. Installation should be carried out by a suitably qualified Gas Safe registered engineer.

Product Details

Brand: Worcester
Part Type: Expansion Vessel
MPN: 8716122434
Warranty: 12 Months
Condition: Genuine Brand New

Boiler Compatibility

The Worcester Greenstar 30 CDI System Expansion Vessel 8716122434 is compatible with the following appliances:

Worcester Greenstar CDI

Fits Appliance(s) GC No.

Greenstar 30 CDI System 41-311-93
Greenstar Combi 25 CDI 47-311-92
Greenstar Combi 27 CDI HE 47-406-12
Greenstar Combi 27 CDI HE LPG 47-406-13
Greenstar Combi 30 CDI 47-311-93
Greenstar Combi 30 CDI HE 47-406-14
Greenstar Combi 30 CDI HE LPG 47-406-15
Greenstar Combi 35 CDI 47-311-94
Greenstar Combi 37 CDI HE 47-406-08
Greenstar Combi 37 CDI HE LPG 47-406-09
Greenstar Combi 40 CDI 47-311-95

Worcester Greenstar Classic

Fits Appliance(s) GC No.

Greenstar 29 CDI Classic 47-406-34 (7738100216)
Greenstar 29 CDI Classic LPG 47-406-35
Greenstar 34 CDI Classic 47-406-36
Greenstar 34 CDI Classic LPG 47-406-37
Greenstar 38 CDI Classic 47-406-38
Greenstar 38 CDI Classic LPG 47-406-39
Greenstar Combi 42 CDI HE (Classic) 47-406-10
Greenstar Combi 42 CDI HE (Classic) LPG 47-406-11
Greenstar 29 CDI Classic ERP 47-406-65 (7738100248)
Greenstar 29 CDI Classic ERP LPG 47-406-66
Greenstar 30 CDI Classic System ErP 41-406-37 (7738100244)
Greenstar 30 CDI Classic System ErP LPG 41-406-38 (7738100233)
Greenstar 34 CDI Classic ERP 47-406-67 (7738100250)
Greenstar 34 CDI Classic ERP LPG 47-406-68
Greenstar 35 CDI Classic System ErP 41-406-39 (7738100236)
Greenstar 35 CDI Classic System ErP LPG 41-406-40 (7738100237)
Greenstar 38 CDI Classic ERP 47-406-69 (7738100252)
Greenstar 38 CDI Classic ERP LPG 47-406-70
Greenstar 42 CDI Classic ERP 47-406-71 (7738100246)
Greenstar 42 CDI Classic ERP LPG 47-406-72

Worcester Camray

Fits Appliance(s) GC No.

Camray 12/18 System (Aug 2007 Onwards) 7716100121
Camray 12/18 Utility System (Feb 2007 Onwards) 7716100111
Camray 18/25 System (Aug 2007 Onwards) 7716100122
Camray 18/25 Utility System 7716100112
Camray 25/32 System (Aug 2007 Onwards) 7716100123
Camray 25/32 Utility System (Feb 2007 Onwards) 7716100113

Worcester Danesmoor

Fits Appliance(s) GC No.

Danesmoor System 12/18 7716100135
Danesmoor System 12/18 ERP + 7731600160
Danesmoor System 18/25 7716100136
Danesmoor System 18/25 ERP + 7731600162
Danesmoor System 25/32 7716100137
Danesmoor System 25/32 ERP + 7731600164
Danesmoor System External 12/18 ERP + 7731600150
Danesmoor System External 18/25 ERP + 7731600154
Danesmoor System External 25/32 ERP + 7731600158
Danesmoor System Utility 12/18 7716100147
Danesmoor System Utility 12/18 ERP + 7731600148
Danesmoor System Utility 18/25 7716100148
Danesmoor System Utility 18/25 ERP + 7731600152
Danesmoor System Utility 25/32 7716100149
Danesmoor System Utility 25/32 ERP + 7731600156

Before ordering, please check your boiler model, GC number, serial or appliance details where applicable, and confirm manufacturer part number 8716122434 to ensure this is the correct replacement component.

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 Worcester boiler expansion vessel 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 Worcester 8716122434 expansion vessel compatible with my boiler?

The 8716122434 expansion vessel is listed for the selected Worcester Greenstar CDI, Greenstar Classic, Camray and Danesmoor appliances shown in the compatibility section. Always check your boiler details and part number before ordering.

What does the Worcester 8716122434 expansion vessel do?

The expansion vessel accommodates changes in the volume of heating water as the system temperature changes, helping the sealed heating system manage pressure changes during operation.

What are the symptoms of a faulty expansion vessel?

A faulty expansion vessel can contribute to abnormal heating-system pressure changes and repeated pressure loss. Other boiler components can cause similar symptoms, so professional diagnosis is recommended.

How do I confirm that 8716122434 is the correct replacement part?

Check your boiler model, GC number and appliance details, where available, and confirm that Worcester manufacturer part number 8716122434 matches the required replacement component.

Does this product come with a warranty?

Yes. This genuine brand-new Worcester expansion vessel 8716122434 comes with a 12-month warranty.