Per Bestway Lay-Z-Spa a senso unico senza perdite tubo soffiatore valvola intelligente un post dello stesso giorno

It's quite dificult to replace the mushroom valve itself as it's located deep inside the A pipe. IMPORTANT: Original rubber valve inside the Pipe A must be removed if still preset. Spa needs to be full and up to temperature - this will soften the rubber and water back pressure will seal it in place properly.

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