wd40

  1. W

    WD40 terror and zone valve

    Hi all, Drayton ZA5 valve seized the other day during this Corona lock down. Took off the actuator head and sprayed the tap itself with silicon lubricant, but no luck, still too hard to move with pliers. Only thing that freed it was WD40. I am now terrified the WD40 is gonna eat the seals...
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