Cleaners at bottom of pool dont pop up
Filter could be dirty?, clean or backwash.
or... You could have some debris: sand, grit, pebbles, etc. in your separate rotor valve assembly. There are small gears in there that turn the rotor plate, it allows for water to enter each set of pipes in a certain timed cycle. If those gears don't turn correctly, water won't flow alternately into those pipes that lead to each pop up head.
6/10/2015 5:43:57 AM •
Paramount...
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Answered
on Jun 10, 2015
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