Product Overview

The Pentair 520659 EasyTouch 4 Universal Motherboard is a genuine OEM replacement control board designed for compatible Pentair EasyTouch Pool & Spa combination automation systems. This board provides four auxiliary control circuits and serves as the primary motherboard for the EasyTouch 4 Pool/Spa configuration.

The 520659 is an ideal replacement when the original EasyTouch motherboard has failed or become damaged, allowing the existing compatible load center, relays, transformer, sensors, and other automation components to remain in service.

Key Features

Genuine Pentair OEM Replacement
Factory replacement motherboard manufactured specifically for compatible Pentair EasyTouch automation systems.

4 Auxiliary Circuits
Designed for EasyTouch 4 configurations with four auxiliary equipment-control circuits.

Pool & Spa Combination System
Specifically designed for shared Pool/Spa EasyTouch automation applications.

Primary Automation Control Board
Provides the main control and communication functions for compatible pumps, heaters, lighting, valves, relays, sensors, and other connected equipment.

Direct Replacement Design
Installs into compatible existing EasyTouch control systems without requiring replacement of the entire automation enclosure.

Benefits

• Genuine Pentair OEM automation component
• Restores EasyTouch system operation
• Supports four auxiliary circuits
• Designed specifically for Pool & Spa combination systems
• Retains compatible existing relays and equipment wiring
• Cost-effective alternative to replacing the complete automation system
• Suitable for professional EasyTouch system repair
• Direct replacement for compatible failed or damaged motherboards

Specifications

Installation Information

Disconnect all electrical power to the EasyTouch automation system before removing or installing the motherboard.

Before disconnecting the original board, identify and document all wiring, relay, sensor, valve, and communication connections. Inspect wiring harnesses, terminals, connectors, relays, and the transformer for corrosion, overheating, or other damage before installing the replacement.

Installation by a qualified pool automation professional is recommended.

Confirm Before Ordering

Pentair 520659 is specifically designed for:

• EasyTouch automation systems
• 4 auxiliary circuits
• Pool & Spa combination systems
• Compatible EasyTouch outdoor control systems

Do not confuse the 520659 with 520712, which is the 4-auxiliary motherboard for single-body EasyTouch systems.

For an 8-auxiliary Pool & Spa combination EasyTouch system, Pentair specifies motherboard 520657.

Warranty Information

The Pentair 520659 carries a 1-year general warranty. Warranty eligibility and coverage may depend on installation, purchase channel, proof of purchase, and current Pentair warranty requirements.

Customer Q&A

Q: Is the Pentair 520659 a genuine OEM motherboard?
Yes. It is a genuine Pentair replacement motherboard for compatible EasyTouch automation systems.

Q: How many auxiliary circuits does it support?
The 520659 is designed for four auxiliary circuits.

Q: Is this for a Pool & Spa combination system?
Yes. This motherboard is specifically designed for EasyTouch Pool & Spa combination systems.

Q: Will this replace a 520712 motherboard?
No. The 520712 is designed for four-auxiliary single-body systems, while the 520659 is for Pool & Spa combination systems.

Q: Is this the complete EasyTouch automation system?
No. This listing is for the replacement motherboard only. The enclosure, load center, relays, transformer, sensors, and other automation components are not included unless specifically stated.