Product Overview

The Hayward OmniLogic Main Control Board | HLX-PCB-MAIN is a genuine OEM replacement main board for compatible Hayward OmniLogic pool and spa automation systems.

Also referred to as the Main Panel Processor (MPP), this board is a central electronic component within the OmniLogic control panel. It interfaces with sensors, flow switches, valve actuators, relays, chlorination components, the local display, and other compatible OmniLogic accessories.

The HLX-PCB-MAIN is intended to replace a failed or damaged original OmniLogic main control board while allowing the existing enclosure and compatible system components to remain in service.

Key Features

Genuine Hayward OEM Replacement

Factory replacement main control board specifically designed for Hayward OmniLogic automation systems.

OmniLogic Main Panel Processor

Functions as the Main Panel Processor within the OmniLogic automation platform.

Multiple Equipment Connections

The board provides connections for compatible:

• Pool and spa sensors
• Flow switches
• Valve actuators
• Low-voltage outputs
• High-voltage relay bank
• TurboCell chlorination components
• Local display
• I/O expansion board
• Hayward communication bus devices
• Heater control connections

Designed for Existing OmniLogic Systems

Allows the main PCB to be replaced without automatically replacing the entire OmniLogic automation enclosure.

Supports Multiple OmniLogic Generations

Hayward's replacement-board installation instructions provide installation procedures for both pre-2023 and 2023-and-newer OmniLogic systems.

Benefits

• Genuine Hayward OEM component
• Replacement main board for OmniLogic
• Restores central automation control
• Compatible with existing OmniLogic system architecture
• Supports pool and spa equipment control
• Interfaces with compatible pumps, heaters, valves, lighting, sensors, and chlorination equipment
• Designed as a replacement for the original OmniLogic MPP
• Allows reuse of compatible existing OmniLogic components
• Factory-designed wiring connection locations

Specifications

Replacement Board Only

This listing is for the HLX-PCB-MAIN replacement main control board.

Existing compatible components are reused during installation, including applicable:

• OmniLogic enclosure
• Local display / control pad
• TurboCell extension board
• I/O expansion board
• Relay components
• Power supply
• Wiring harnesses
• Sensors
• Valve actuators

Unless specifically stated otherwise, these additional components are not included.

Installation Information

Replacement requires opening the OmniLogic electrical panel and removing the dead-front panel.

Installation should be performed by a qualified pool automation professional or electrician.

Hayward specifically requires that electrical power to the OmniLogic control panel be completely disconnected before the dead front is removed.

Hayward's replacement procedure includes:

1. Completely disconnecting power.
2. Removing the dead-front panel.
3. Documenting existing wire locations.
4. Disconnecting the original main board.
5. Transferring compatible existing components to the replacement board.
6. Reconnecting wiring.
7. Reassembling the control panel.
8. Restoring power.
9. Running the OmniLogic configuration process.

After board replacement, the OmniLogic system may need to be reconfigured through the Configuration Wizard.

Confirm Before Ordering

Confirm all of the following before purchase:

• Hayward part number HLX-PCB-MAIN
• Existing automation system is Hayward OmniLogic
• Existing board has been properly diagnosed
• Existing display and system components are compatible
• Correct OmniLogic generation and wiring configuration

Do not confuse HLX-PCB-MAIN with other Hayward automation boards.

Commonly confused parts include:

• HLX-PCB-MAIN — OmniLogic Main Control Board
• HLXPLPCBMAIN — OmniPL Replacement Main PCBA
• GLX-PCB-PRO — ProLogic / AquaPlus Main PCB
• GLX-PCB-RITE — AquaRite Main PCB
• HLX-PCB-TCELL — OmniLogic TurboCell PCB

These boards are not automatically interchangeable.

⚠️ Important Purchase Notice

This product is intended to be purchased and installed by pool professionals. Please verify the exact automation system and required part number before ordering.

Returns are not accepted on this or any electronic equipment once installed, connected, energized, or used. Shipping damage will be covered and must be reported promptly.

Warranty Information

This is a genuine Hayward OEM replacement electronic component. Warranty coverage is subject to Hayward's current replacement-parts warranty terms and exclusions.

Pool360 currently lists a 6-month general warranty for HLX-PCB-MAIN.

Improper installation, electrical damage, incorrect wiring, water intrusion, lightning or surge damage, or use in an incompatible system may not qualify for warranty coverage.

Customer Q&A

Q: What system does HLX-PCB-MAIN fit?

It is the replacement main control board for compatible Hayward OmniLogic pool and spa automation systems.

Q: Is this the main OmniLogic motherboard?

Yes. HLX-PCB-MAIN is the OmniLogic replacement Main Board, also referred to as the Main Panel Processor or MPP.

Q: Does this fit OmniPL?

Do not assume so. Hayward lists HLXPLPCBMAIN as the replacement OmniPL PCBA. If your system is OmniPL rather than OmniLogic, confirm the required part before ordering.

Q: Does the local display come with the board?

No. The existing compatible local display or control pad is reused unless otherwise specified.

Q: Does this include the entire OmniLogic control panel?

No. This is the replacement main control board only, not a complete automation enclosure.

Q: Does the system need to be programmed after replacing the board?

Yes. Hayward instructs technicians to power the OmniLogic back on and use the Configuration Wizard to reconfigure the system after main-board replacement.

Q: Will this work with older OmniLogic systems?

Hayward's replacement instructions include procedures for both pre-2023 and 2023-and-newer OmniLogic systems. Exact system compatibility should still be verified before purchase.

Q: Is this a genuine Hayward replacement part?

Yes. HLX-PCB-MAIN is a genuine Hayward OEM replacement board.