Question about Hayward Pool & Spa
Something is causing the pump to "dead head" which means it is trying to pump water through a closed pipe. Check any valves, the filter, heater etc.. downstream from the pump. Your water flow is being severely restricted. Hope that helps.
Posted on May 11, 2013
To confirm that you may have a "Dead Head" situation, or not: do you see water returning back to the pool? Is water being drawn into the skimmer as usual. If so, then you do not have a dead head situation and that is not the reason for the threaded fitting to keep blowing off. If you do NOT see water returning back to the pool or there is no suction at the skimmer, then you DO have a closed valve on the plumbing after the pump on the way back to the pool. Is filter valve in normal Filtering position, If any valves are installed on return line, ensure they are open: Ball valves will have handles going with pipe to be open, handles across the pipe are closed. Gate valves will have a round handle and turned "Counter Clockwise all the way is open - ensure the gate is turning, so close by turning clockwise, then counter clockwise. Jandy or Compool look like a ball valve but the handle "NEEDS" to be across the pipe to be open! There is a little triangular looking "Flag" opposite the handle and you will see the word "Off or Closed" on it. When that flag is over the pipe/port, it is closed! So, move it so there is no pipe under it.
Another dead head or high resistance is a very "Dirty / Clogged" filter. Try cleaning it.
Posted on Apr 24, 2014
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Posted on Jan 02, 2017
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