170255 Vaillant: Magneto
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OEM Replacement Part & Compatibility Table
| Part number (MPN) | 170255 |
|---|---|
| Brand | Vaillant |
| Category | Boilers and heating |
| Compatible appliances | MAG 275/9 W (1992-1994 ), MAG 275/9 XW (1994-1997 ), MAG 350/9 W (1992-1994 ), MAG 350/9 XW (1994-1997 ), MAG 440/9 W (1992-1994 ), MAG 440/9 XW (1994-1997 ), MAG-SINE 250/7 W (1977-1992 ), MAG-SINE 325/7 W (1977-1993 ), Vaillant MAG 125/7.1 (1990-1999), Vaillant MAG 125/7 (1990-1999), Vaillant MAG 125/7 A (1990-1999), Vaillant MAG 125/7 An (1990-1999), Vaillant MAG 125/7 N (1990-1999), Vaillant MAG 125/7 So17 (1977-1996), Vaillant MAG 125/7 So25 (1977-1996), Vaillant MAG 250/7 W (1977-1992), Vaillant MAG 325/7 W (1977-1992), Vaillant MAG 400/7 W (1977-1992) |
| Equivalent / superseded codes | Not listed in the sources |
| Fault codes | Not listed in the sources |
| Guide price (£) | Not available: check the current price with the seller |
Fitting notes
Frequently asked questions
Which appliances does 170255 fit?
The sources we checked list 170255 (Magneto, Vaillant) for: MAG 275/9 W (1992-1994 ), MAG 275/9 XW (1994-1997 ), MAG 350/9 W (1992-1994 ), MAG 350/9 XW (1994-1997 ), MAG 440/9 W (1992-1994 ), MAG 440/9 XW (1994-1997 ), MAG-SINE 250/7 W (1977-1992 ), MAG-SINE 325/7 W (1977-1993 ), Vaillant MAG 125/7.1 (1990-1999), Vaillant MAG 125/7 (1990-1999), Vaillant MAG 125/7 A (1990-1999), Vaillant MAG 125/7 An (1990-1999), Vaillant MAG 125/7 N (1990-1999), Vaillant MAG 125/7 So17 (1977-1996), Vaillant MAG 125/7 So25 (1977-1996), Vaillant MAG 250/7 W (1977-1992), Vaillant MAG 325/7 W (1977-1992), Vaillant MAG 400/7 W (1977-1992). Always check the model and serial number on the data plate before ordering.
Does 170255 have equivalent or superseded part numbers?
The sources we checked list no equivalents for 170255. Ask a Vaillant stockist to confirm.
What should I check before fitting 170255?
Work on gas appliances must be carried out by a Gas Safe registered engineer. Check the model and serial number on the boiler data plate. Source: a parts retailer's list, not the manufacturer's: confirm the part number on the data plate or with the manufacturer before ordering.
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Source checked on 2026-11-06: retailer parts list. Some lists are dated and the part may have been superseded. Information only, compatibility not guaranteed.