Description
Worcester 87186880150 Transformer Ignition. Refurbished & tested boiler spare part
This genuine Worcester ignition transformer is designed for use across a wide range of Worcester Compact and Greenstar boiler models. Refurbished, tested, and ready to fit, this part ensures reliable boiler ignition performance.
Compatible Models & GC Numbers:
Compact Series
Worcester 533 Compact – GC No. 47-406-58
Worcester 535 Compact – GC No. 47-406-59
Greenstar CDI Compact
28 CDI Compact – GC No. 47-406-44
28 CDI Compact LPG – GC No. 47-406-45
32 CDI Compact – GC No. 47-406-46
32 CDI Compact LPG – GC No. 47-406-47
36 CDI Compact – GC No. 47-406-48
36 CDI Compact LPG – GC No. 47-406-49
Greenstar i System Compact
27 i System Compact – GC No. 41-406-13
27 i System Compact LPG – GC No. 41-406-14
30 i System Compact – GC No. 41-406-15
30 i System Compact LPG – GC No. 41-406-16
Greenstar RI Compact
27 RI Compact – GC No. 41-406-17
27 RI Compact LPG – GC No. 41-406-18
30 RI Compact – GC No. 41-406-19
30 RI Compact LPG – GC No. 41-406-20
Greenstar SI Compact
25 SI Compact – GC No. 47-406-50
25 SI Compact LPG – GC No. 47-406-51
30 SI Compact NG – GC No. 47-406-52
30 SI Compact LPG – GC No. 47-406-53
Please note: Before placing your order you must check your part matches the Manufacturer Part Number stated above.
     Please note all prices are inclusive of VAT.
FAQs
1. What boilers does this spark light ignitor transformer fit?
The Worcester Greenstar 30SI Spark Light Ignitor Transformer 87186880150 fits Greenstar 25 SI, 30 SI, 32 CDI, 36 CDI, 28 CDI Compact models, including LPG and NG variants.
2. Is this part new or used?
This part is taken from a fully functioning boiler and has been quality checked. There may be minor cosmetic marks, but it is fully functional and reliable.
3. Does this part come with a warranty?
Yes, the spark light ignitor transformer comes with a 12-month warranty.
4. How do I know if this is the correct replacement part for my boiler?
Before ordering, always check your existing part matches the Manufacturer Part Number 87186880150 to ensure compatibility.
5. Can I install this part myself?
It is recommended that installation is carried out by a Gas Safe registered engineer to ensure safety and compliance.









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