Coast Guy Posted April 23, 2021 Report Share Posted April 23, 2021 Just fired up my 10 year old Coast spa. As soon as the pumps came on the diverted valve cap for the “volcano” jet was blown off and a geyser ensued. Replaced the cap, tried again. This time the filter cover was blown off, another geyser. The spa is winterized every fall with anti-freeze, never had a problem. Help, please! Quote Link to comment Share on other sites More sharing options...
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