Not a Vaillant certified part as stated in the brand type but it works fine
Verified purchase: Yes | Condition: New
A good quality part at a reasonable price. Highly recomend
Verified purchase: Yes | Condition: New
Heating pressure kept falling the relief valve had gone faulty the cured the problem
Verified purchase: Yes | Condition: New
Item was delivered on time and was exactly the right component.
Verified purchase: Yes | Condition: New
Actually fitted this on a boiler i installed 18 years ago....easy to fit & looks excellent quality
Verified purchase: Yes | Condition: New
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