When I run my pump with value position like below, I notice one of the return Jets in Pool and one in spa produce air bubbles
Position 1
Suction Line described from left to right:
1.Spa main drain fully closed
2. Skimmer 1 fully opened
3. Skimmer 2 fully opened
4.Suction from pool main drain fully opened no water coming in from pool cleaner
Position 2 No Air bubbles from return jets
Suction Line described from left to right:
Everything same as Position 1 except #4.
4. Suction from pool main drain fully closed.
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Crack in the PVC Coupling, during adjacent value positioning water escape through hairline crack, is that primary source of air entering into the pump?
Hairline crack
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Position 1
Suction Line described from left to right:
1.Spa main drain fully closed
2. Skimmer 1 fully opened
3. Skimmer 2 fully opened
4.Suction from pool main drain fully opened no water coming in from pool cleaner
Position 2 No Air bubbles from return jets
Suction Line described from left to right:
Everything same as Position 1 except #4.
4. Suction from pool main drain fully closed.
Crack in the PVC Coupling, during adjacent value positioning water escape through hairline crack, is that primary source of air entering into the pump?
Hairline crack