How to fix Ariston Clas One 501 5P1 5P2 error

[@1bdorowd]

Thanks for posting. The ball and seat was full of crap.

[@cipriangabor45]

Thanks, it worked. The pipe inside was black 😂

[@JustBotond]

obviously😂. I'm glad it helped.

[@andrijabolarin747]

Saved me a lot of money!
Thanks

[@JustBotond]

Great to hear!