Description
Riello 3005721 Electrodes
Riello 3005721 Electrodes replacement part with manufacturer part number Z3005721. This exact item is a genuine, brand-new Riello Burner Spares product. It is intended for the compatible appliances shown below, where listed. Match the boiler model and MPN before ordering.
Product Details
Brand: Riello Burner Spares
Manufacturer part number (MPN): Z3005721
Condition: Genuine brand new
Boiler Compatibility
Check the exact appliance model and manufacturer part number before ordering. See the GC Number tab for the verified GC references.
This part fits the following 22 appliances:
Listed compatible appliances
- Riello Burner Spares 40 – 419T55
- Riello Burner Spares 40 – 422T56
- Riello Burner Spares 40 – 424T55
- Riello Burner Spares 40 – 436T56
- Riello Burner Spares 40 – 437T55
- Riello Burner Spares 40 – G2 426T50
- Riello Burner Spares 40 – G2 426T50 3742650
- Riello Burner Spares 40 – G2S 424T50
- Riello Burner Spares 40 – G2S 424T50 3742450
- Riello Burner Spares 40 – G2S 424T50 3742451
- Riello Burner Spares 40 – G2SX 424T55
- Riello Burner Spares 40 – G3 437T50 3743750
- Riello Burner Spares 40 – G3B 437T50
- Riello Burner Spares FIREBIRD 40 G3B SYSTEM OIL
- Riello Burner Spares G2Q 422T55 3742256
- Riello Burner Spares G2SX 419T55 3741955
- Riello Burner Spares G2SX 424T55 3742455
- Riello Burner Spares G2X 422T51 3742251
- Riello Burner Spares G3Q 436T55 3743656
- Riello Burner Spares G3X 436T51 3743651
- Riello Burner Spares MECTRON 2M GB 179T12
- Riello Burner Spares MECTRON 3BM GB 169T12
Ordering and support
Before you order
Use the manufacturer part number as your main check. Do not rely on a similar-looking part. Compare the appliance model and the GC Number tab before ordering.
Technical FAQs
How do I check that this is the correct replacement part?
Use manufacturer part number Z3005721 as the main check. Match it to the old part or appliance documentation, not only to a similar-looking product.
Will this part fit my boiler?
This exact part is listed for 22 appliance model(s). Check your appliance model, MPN and the GC Number tab before ordering.
Can a similar-looking part be used instead?
Do not rely on shape or appearance alone. Check the manufacturer part number and the exact appliance model before ordering a replacement.
Does the part number identify the cause of a boiler fault?
No. A part number helps identify a replacement item but does not diagnose a fault. Ask a suitably qualified professional to identify the cause where required.
Who should fit and test this part?
Installation and testing should be completed by a suitably qualified professional where required. This exact item is a genuine, brand-new Riello Burner Spares product.
Related Riello Burner Spares parts
Browse related Riello Burner Spares Boiler Accessories.
Help and returns
For help checking this part, message us on WhatsApp. This item includes a 12-month warranty. Returns are subject to the 30-day returns policy.
Product check
Clear identification matters. Check the manufacturer part number before you order.
Installation and testing should be completed by a suitably qualified professional where required.










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