Prr
RivieraPool
Pressure Switch or Flow Switch Error
Display shows Prr or PR and spa may not heat or may behave erratically.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Failed pressure switch, Incorrect pressure switch adjustment, Loose wiring to pressure switch, Blocked plumbing causing abnormal pressure
How to Fix / Troubleshooting
Safety: Turn off power before working on pressure or flow switches.
- Locate the switch: Find the RivieraPool pressure/flow switch mounted on the heater manifold or plumbing line.
- Inspect wiring: Check for loose spade connectors, corrosion, or damaged wires. Clean and tighten as needed.
- Check for leaks: Ensure there are no leaks around the switch threads or body that could affect operation.
- Flow verification: Run the pump and confirm strong flow through jets. If flow is weak, address filter and pump issues first.
- Replace switch: If Prr persists with good flow and wiring, replace the RivieraPool pressure/flow switch with a compatible part, using thread sealant as recommended.
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Repair Difficulty
Medium
3/5
Required Part
RivieraPool pressure/flow switch
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