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STA-RITE P2R5E-125L P2RA5E-124L - User Manual

STA-RITE P2R5E-125L P2RA5E-124L
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DURA
*
GLAS
TM
CENTRIFUGAL PUMPS
WITH INTEGRAL TRAP
O W N E R’ S M A N U A L
INSTALLATION, OPERATION & PARTS
P2R AND P2RA Series MODELS
H.P. P2R Series P2RA Series
1/2 P2R5C-120L P2RA5C-119L
3/4 P2R5D-124L P2RA5D-120L
1 P2R5E-125L P2RA5E-124L P2RAXE-124L
1-1/2 P2R5F-126L P2RA5F-125L P2RA6F-125L
1-1/2 – – P2RAXF-125ULS P2RAXF-125LS
2 – P2RA5G-126L P2RA6G-126L P2RAXG-126LS
Sta-Rite Pool/Spa Group
293 Wright Street, Delavan, WI 53115
North America: 800-752-0183, FAX 800-582-2217
International: 414-728-5551, FAX: 414-728-4461, TELEX: ITT 4970245
Oxnard, CA • Union City, TN • Delavan, WI • Mississauga, Ont.
Printed in U.S.A. © 1997, Sta-Rite Industries, Inc. S53 (Rev. 11/5/97)
This manual should be furnished to
the end user of this pump; its use
will reduce service calls and chance
of injury and will lengthen pump life.

Table of Contents

Questions and Answers

  • E
    Erin AdamsAug 10, 2025
    What to do if STA-RITE P2R5E-125L P2RA5E-124L loses prime?
    • Z
      Zachary MclaughlinAug 10, 2025
      If your STA-RITE Water Pump loses prime, it could be due to suction leaks. First, ensure the pump volute and trap are full. Check for any leaks in the suction piping. Make sure the suction pipe inlet is well below the water level to prevent the pump from sucking in air. If the suction trap gasket is defective, replace it. If the suction lift is too high (15 to 25 feet can reduce performance, and over 25 feet can prevent pumping), move the pump closer to the water source and ensure the suction pipe is large enough.
  • M
    Michelle MeyerAug 21, 2025
    How to fix a clogged STA-RITE P2R5E-125L P2RA5E-124L Water Pump?
    • A
      Antonio DavisAug 21, 2025
      To fix a clogged STA-RITE Water Pump, start by checking the suction trap. If it's clogged, clean the trap and strainer. Also, the impeller might be clogged. If the pump is trying to push too high a column of water, a 'higher head' pump might be needed.
  • J
    Jeremy JonesAug 28, 2025
    Why is my STA-RITE P2R5E-125L P2RA5E-124L vibrating excessively?
    • C
      christopherjohnsonAug 28, 2025
      Excessive vibration in your STA-RITE Water Pump can be due to inadequately supported suction and discharge piping. Also, avoid mounting the pump on a wooden platform; instead, securely mount it on a concrete platform for quieter performance.
  • D
    Debbie MillsSep 2, 2025
    What causes electrical issues in STA-RITE Water Pump?
    • I
      ibarracharlesSep 2, 2025
      Electrical issues in your STA-RITE Water Pump can stem from several causes. The pump might be running too slowly due to low voltage. Check the voltage at the motor terminals and at the meter while the pump is running and look for loose connections. Also, the pump may be overheating. Check the line voltage; if it's less than 90% or more than 110% of the rated voltage, consult a licensed electrician. Ensure there is adequate ventilation, reduce the ambient temperature, and tighten any loose connections.
  • A
    Anna WilliamsNov 15, 2025
    Why is my STA-RITE P2R5E-125L P2RA5E-124L not pumping water effectively?
    • B
      Bryan PerezNov 15, 2025
      Your STA-RITE Water Pump might not be pumping water effectively due to several reasons. Here's what to check: * **Suction Leaks/Lost Prime:** The pump may need priming. Ensure the pump volute and trap are full. Look for leaks in the suction piping and make sure the suction pipe inlet is well below the water level to prevent air from being sucked in. Replace the suction trap gasket if it's defective. A suction lift of 15 to 25 feet can reduce performance, and more than 25 feet can prevent pumping. Move the pump closer to the water source and ensure the suction pipe is large enough. * **Clogged Pipe/Trap/Impeller or Worn Impeller:** Check if the suction trap is clogged and clean it if necessary. Also, the impeller might be clogged or worn. Replacement parts can be ordered if the impelle...

Summary

IMPORTANT SAFETY INSTRUCTIONS

Safety Symbols and Signal Words

General Safety Precautions

Basic safety rules for pump installation and operation.

Pressure Testing Safety Checks

Procedures and limits for pressure testing the pump system.

Motor Safety

INSTALLATION

Pump Mount Requirements

ELECTRICAL

Grounding and Bonding

Requirements for grounding the motor and bonding to the pool structure.

Wiring Instructions

Guidance on wire sizing, circuit breakers, GFCI, and connections.

Motor Terminal Connections

OPERATION

General Operation Warnings

Suction Safety

Priming Pump

Step-by-step guide for priming the pump, including O-ring care.

PUMP SERVICE AND MAINTENANCE

General Service Precautions

Shaft Seal Replacement

Detailed steps for disassembling the pump to replace the shaft seal.

PUMP REASSEMBLY AND SEAL INSTALLATION

Pump Reassembly

Procedures for reassembling the pump after seal replacement.

Installing Heat Sink Insert

TROUBLESHOOTING GUIDE

Failure to Pump; Reduced Capacity

Identifies issues like suction leaks, priming loss, and clogs.

Electrical Troubleshooting

Addresses slow motor speed, overheating, and voltage issues.

Mechanical Troubles and Noise

Solutions for piping strain and pump mounting noise.

STA-RITE P2R5E-125L P2RA5E-124L Specifications

General IconGeneral
ModelP2R5E-125L P2RA5E-124L
CategoryWater Pump
Voltage115/230V
Phase1
Port Size2" NPT
Discharge Size2" NPT
Inlet Size2" NPT

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