1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your FOREBEN UST1102 1HP Single Speed Swimming Pool Pump Motor. This motor is designed to meet or exceed original equipment (OE) specifications for various pool pump models. Please read this manual thoroughly before installation and use.
The UST1102 motor features a single speed, 1.0 HP rating, and operates on 115/230 Volts. It includes a 303 stainless steel threaded shaft, 56J Frame, and operates at 3450 RPM with a 60 HZ frequency. The motor's exterior is constructed from stainless steel, and its interior utilizes copper wiring, providing strong waterproof performance with an IP55 rating.
2. Safety Information
WARNING: Electrical shock hazard. Always disconnect power at the circuit breaker before attempting any installation, service, or maintenance. Failure to do so can result in serious injury or death.
- Installation must be performed by a qualified professional in accordance with all local and national electrical and plumbing codes.
- Ensure the motor is properly grounded to prevent electrical shock.
- Do not operate the pump if the motor is wet or if there is standing water around the equipment.
- Keep children and unauthorized persons away from the pool equipment area.
- This pool pump motor type is NOT ALLOWED for sale or installation for all residential and commercial pool pump applications in the State of California.
- Always wear appropriate personal protective equipment (PPE) during installation and maintenance.
3. Package Contents
Verify that all components are present and undamaged upon unpacking.
- 1 x FOREBEN UST1102 1.0 HP Pool Pump Motor
- 1 x PS-201 Seal Kit

Image: The FOREBEN UST1102 1HP Swimming Pool Pump Motor shown with the included PS-201 Seal Kit, which typically contains various seals and gaskets for installation.
4. Specifications
| Feature | Specification |
|---|---|
| Brand | FOREBEN |
| Model Number | UST1102 |
| Horsepower (HP) | 1 HP |
| Voltage | 115/230 Volts |
| Phase | 1 |
| Output KW | 0.75 kW |
| Speed | 3450 RPM |
| Service Factor | 1.1 |
| Frame | 56J |
| Enclosure | Open Drip Proof |
| Thermal Protection | Automatic |
| Efficiency | 70.6 % |
| Ambient Temperature | 50 °C |
| Frequency | 60 Hz |
| Material | Stainless Steel |
| Waterproof Grade | IP55 |
| Product Dimensions (L x W x H) | 14.4" x 6.7" x 6.7" |

Image: Detailed technical specifications of the FOREBEN UST1102 motor, including horsepower, voltage, and frame type.

Image: Diagram showing the key dimensions of the UST1102 pool pump motor, including length, width, and height measurements.
5. Compatibility
The FOREBEN UST1102 Swimming Pool Pump Motor is compatible with various pool pump models. Please verify your existing pump model and part numbers before ordering to ensure proper fit and function.
Compatible Pump Models:
- Hayward Max Flow pump
- Hayward Super Pump
- Hayward Super II pump
- Hayward Northstar pump
- Jacuzzi Magnum pump
Replaces Part Numbers:
- SP1607Z1M, SP1607Z1MBK, SP1607Z1MH
- C48K2N117A9, C48K2N143, C48K2N143A3, C48K2N143A4, C48K2N143A5, C48K2N143A6, C48K2N143A9
- UST1102, 168098, 177019, B228, B228SE, C1318, EB228, 54023
- 8-168098-21, 8-177019-24, 8-168098-20, 8-177019-22, 8-177019-20
- 5KC39PN2822X, C48AA35A01, C48K2N143B3, C48K2N143B1, HST110, AST125
Note: This list is for reference only. Always cross-reference with your existing motor's specifications and part numbers.

Image: A visual guide indicating compatible pump models and a list of replacement part numbers for the UST1102 motor.
6. Installation Instructions
Professional installation is highly recommended for this product. Ensure all safety precautions are followed.
Step 1: Cut off the Power Supply
Before starting any installation or maintenance, turn off the power supply to the pool pump motor and all related power sources at the circuit breaker. Confirm power is off using a voltage tester.
Step 2: Remove the Old Motor
After ensuring all relevant power sources are off, carefully remove the original motor. This typically involves disconnecting the wiring, unbolting the motor from the pump housing, and separating the impeller from the motor shaft. Use appropriate tools to gently remove any connecting screws on the wire connector and mounting bolts.
Step 3: Install a New Motor
Fix the new swimming pool motor onto the water pump bracket. Ensure the motor is securely mounted to maintain stability during operation. Connect the impeller to the new motor shaft, ensuring proper alignment. Apply the PS-201 Seal Kit components as per the pump manufacturer's instructions to ensure a watertight seal between the motor and pump housing. Connect the electrical wiring according to the wiring diagram provided and local electrical codes. Use fixing screws to check if the bearing cover and rotor rotate in the correct direction, and if the terminal connections are tightened correctly.
Wiring Diagram (Example for 115V/230V)

Image: A diagram illustrating the electrical connections for 115V and 230V power supplies, showing how to connect red, white, black, and brown wires to the motor terminals.
Step 4: Start a New Motor
Once installation is complete and all connections are secure, turn on the power supply at the circuit breaker. Attempt to start the motor to ensure its normal operation. Monitor for any unusual noises, vibrations, or leaks. If any issues arise, immediately shut off power and refer to the troubleshooting section or consult a professional.

Image: A visual summary of the installation and replacement steps for the pool pump motor, from cutting power to starting the new motor.
7. Operating Instructions
After successful installation, operate the pool pump motor according to your pool system's requirements.
- Ensure the pump is primed with water before starting the motor to prevent dry running, which can cause damage.
- Monitor the pump and motor for smooth operation, checking for excessive noise or vibration.
- Regularly check the pressure gauge on your filter to ensure proper flow and identify when backwashing or cleaning is needed.
- Operate the pump for sufficient periods daily to ensure adequate water circulation and filtration for your pool size.
8. Maintenance
Proper maintenance extends the life of your pool pump motor and ensures efficient operation.
- Regular Inspection: Periodically inspect the motor for any signs of wear, corrosion, or damage. Check for loose connections or debris accumulation.
- Seal Inspection: Regularly check the pump seals for leaks. The included PS-201 Seal Kit is crucial for preventing water ingress into the motor. Replace seals if any leaks are detected.
- Cleanliness: Keep the motor's exterior clean and free from dirt, dust, and debris to ensure proper ventilation and prevent overheating.
- Lubrication: As recommended by some users, lubricating all seals and bolts during installation and any subsequent servicing can help ensure ease of future maintenance and proper sealing.
- Winterization: In colder climates, follow proper winterization procedures for your entire pool system, including draining the pump and motor to prevent freeze damage.
9. Troubleshooting
If you encounter issues with your FOREBEN UST1102 motor, refer to the following common troubleshooting steps.
| Problem | Possible Cause | Solution |
|---|---|---|
| Motor does not start | No power, tripped breaker, faulty wiring, seized motor | Check power supply and circuit breaker. Verify wiring connections. Consult a professional if motor is seized. |
| Motor runs but pump does not move water | Pump not primed, clogged skimmer/strainer basket, air leak in suction line, damaged impeller | Ensure pump is primed. Clean baskets. Check for air leaks. Inspect impeller for damage. |
| Motor is excessively noisy | Worn bearings, cavitation (lack of water), loose mounting | Check water flow to pump. Ensure motor is securely mounted. If bearings are worn, professional service may be required. |
| Water leaking from pump/motor area | Damaged shaft seal, loose fittings, cracked housing | Inspect and replace shaft seal (PS-201 kit). Tighten all fittings. Inspect pump housing for cracks. |
| Motor overheats and shuts off | Insufficient ventilation, low voltage, excessive load, clogged impeller | Ensure adequate airflow around motor. Verify correct voltage. Check for obstructions in pump. |
If troubleshooting steps do not resolve the issue, or if you are unsure about any repair, contact a qualified pool technician or FOREBEN customer support.
10. Warranty and Support
FOREBEN provides a 3-year manufacturer's warranty for the UST1102 Swimming Pool Pump Motor. This warranty covers defects in materials and workmanship under normal use and service.
For any quality or installation issues, or to inquire about warranty service, please contact FOREBEN customer service. We are committed to providing 100% after-sales service and 24-hour support to assist you.
Contact Information: Refer to your purchase documentation or the FOREBEN official website for the most current customer support contact details.