Choosing the right pool automation panel with relays in 2027 depends on your system compatibility, control preferences, and installation setup. Among the top contenders are the Hayward OmniHub Smart Relay Kit HLH485RELAY, known for its reliable RS485 communication and durability, making it ideal for tech-savvy users seeking seamless integration. The Jandy 6581 AquaLink RS 3 HP Pool & Spa Control System Relay shines for those with Jandy systems needing robust pump control up to 3 HP, though it’s limited to Jandy compatibility. Meanwhile, the Pentair RLYLX 20-Amp Relay offers a straightforward replacement option for Pentair systems but isn’t suitable outside that ecosystem. Each choice involves tradeoffs between system compatibility, ease of installation, and feature set, which I’ll explore in detail below.
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Key Takeaways
- Compatibility with existing pool automation systems is crucial—choose relays designed for your specific brand.
- Relays supporting higher amperages are better suited for larger pumps and heavy-duty equipment.
- Ease of installation varies; some relays include harnesses or detailed instructions, while others require professional wiring.
- Single-relay kits may need multiple units for comprehensive control, increasing complexity and cost.
- Durability and communication protocols significantly impact long-term performance and reliability.
| Jandy 6581 AquaLink RS 3 HP Pool & Spa Control System Relay With Harness | ![]() | Best Overall for Jandy System Integration | Dimensions: 4.29 x 3.62 x 2.13 inches | Weight: 4.2 ounces | Maximum Pump Power: 3 HP | VIEW LATEST PRICE | See Our Full Breakdown |
| Pentair RLYLX 20-Amp Additional Power Relay Replacement Kit | ![]() | Best for Pentair System Compatibility | Brand: Pentair | Model: RLYLX | Operation mode: Automatic | VIEW LATEST PRICE | See Our Full Breakdown |
| Pentair IntelliFlo3 VSF Pool Pump I/O Relay Control Board Kit, 356365Z | ![]() | Best for Pump Control Customization | Brand: Pentair | Part number: 356365Z | Compatibility: IntelliFlo3 and IntelliPro3 pumps | VIEW LATEST PRICE | See Our Full Breakdown |
| R0468501 AquaLink RS8 Power Center Board with CPU | ![]() | Best for Advanced System Replacement | Compatible models: AquaLink R0468501 and R0466801 | System compatibility: RS, PDA, and upgrade assemblies | Outputs: Multiple pumps, heaters, lighting | VIEW LATEST PRICE | See Our Full Breakdown |
| Hayward OmniHub Smart Relay Kit HLH485RELAY | ![]() | Best for Reliable Automation Integration | Brand: Hayward | Model: HLH485RELAY | Connector Type: Screw | VIEW LATEST PRICE | See Our Full Breakdown |
| pool automation panel with relay | Brand | Operation mode |
|---|---|---|
| Jandy 6581 AquaLink RS 3 HP Po | — | — |
| Pentair RLYLX 20-Amp Additiona | Pentair | Automatic |
| Pentair IntelliFlo3 VSF Pool P | Pentair | Automatic |
| R0468501 AquaLink RS8 Power Ce | — | — |
| Hayward OmniHub Smart Relay Ki | Hayward | Automatic |
More Details on Our Top Picks
Jandy 6581 AquaLink RS 3 HP Pool & Spa Control System Relay With Harness
The Jandy 6581 AquaLink RS relay stands out for its robust support of pool pumps up to 3 HP and equipment drawing up to 25 A. It includes a built-in harness, simplifying installation, especially for those already using Jandy AquaLink systems. However, its compatibility is limited exclusively to Jandy systems, which means it’s less versatile for owners with different setups. Compared with other relays, this model offers excellent power handling and a compact form factor, making it ideal for tight spaces but requiring professional wiring for proper setup. It’s best suited for those who prioritize reliable pump control within a Jandy ecosystem.
Pros:- Supports pumps up to 3 HP
- Handles equipment drawing up to 25 A
- Includes a harness for straightforward installation
- Compact size fits in tight spaces
Cons:- Only compatible with Jandy AquaLink systems
- May require professional wiring for installation
Best for: Jandy system owners seeking reliable pump control
Not ideal for: Users with non-Jandy pools or DIY installers without wiring experience
- Dimensions:4.29 x 3.62 x 2.13 inches
- Weight:4.2 ounces
- Maximum Pump Power:3 HP
- Maximum Current:25 Amps
Our verdict“This relay offers excellent power capacity and easy installation for Jandy users, but its limited compatibility restricts broader use.”
Pentair RLYLX 20-Amp Additional Power Relay Replacement Kit
The Pentair RLYLX relay excels for users with Pentair automation systems, including the Compool and LX80 series. Its straightforward design supports current up to 20 A, making it suitable for typical pool pumps and auxiliary equipment. Compared to other relays, it offers reliable compatibility within the Pentair ecosystem but lacks versatility outside of it. Installation is relatively simple for those familiar with Pentair systems, yet non-Pentair owners should avoid this relay, as it won’t integrate seamlessly with other brands. It’s an excellent choice if you’re committed to Pentair but less flexible for mixed systems.
Pros:- Compatible with Pentair Compool and LX80 systems
- Supports 20 A current
- Simple replacement design
Cons:- Limited to Pentair systems
- Not suitable for other automation brands
Best for: Pentair system users needing a dedicated replacement relay
Not ideal for: Owners of non-Pentair systems or DIYers unfamiliar with system wiring
- Brand:Pentair
- Model:RLYLX
- Operation mode:Automatic
- Compatible systems:Pentair Compool and LX80
- Item weight:6.4 ounces
Our verdict“An ideal relay for Pentair users looking for a direct replacement, but it’s incompatible with other systems.”
Pentair IntelliFlo3 VSF Pool Pump I/O Relay Control Board Kit, 356365Z
This genuine Pentair relay control board offers advanced remote control capabilities for IntelliFlo3 and IntelliPro3 pumps. Its digital inputs allow for customizable speed and flow programs, making it perfect for owners who want fine-tuned control over their pool’s operation. Compared to simple relays, this board enables integration with automation systems to activate specific pump settings remotely. Its compatibility is limited to certain Pentair pumps, so it’s less suitable for owners with different equipment. For those who want deep control over pump performance and automation integration, this component provides significant flexibility but at a higher complexity level.
Pros:- Enables remote digital control of pumps
- Supports customizable speed and flow programs
- Integrates with automation systems
Cons:- Limited to IntelliFlo3 and IntelliPro3 pumps
- Requires technical knowledge for installation
Best for: Owners of compatible Pentair pumps seeking advanced control
Not ideal for: Users with incompatible pumps or seeking plug-and-play solutions
- Brand:Pentair
- Part number:356365Z
- Compatibility:IntelliFlo3 and IntelliPro3 pumps
- Connector type:Screw
- Operation mode:Automatic
Our verdict“A powerful choice for advanced pump control within compatible Pentair systems, though its complexity limits casual use.”
R0468501 AquaLink RS8 Power Center Board with CPU
The R0468501 AquaLink RS8 Power Center Board provides a comprehensive replacement for Jandy’s RS8 and R0466801 power centers. It controls multiple pumps, heaters, lighting, and actuators, supporting complex pool setups. Its ability to retain settings during power outages makes it suitable for high-end or large-scale systems. However, installation requires a qualified technician, and its indoor design limits placement options. Compared to simpler relays, this board offers extensive control but involves more complex wiring and setup. It’s best for experienced installers managing elaborate pool automation systems.
Pros:- Retains programs through outages
- Supports multiple pumps, heaters, and lighting
- Includes installation worksheet and labels
Cons:- Requires professional installation
- Designed for indoor enclosures only
Best for: Professional installers or advanced pool owners with complex setups
Not ideal for: DIYers or owners with basic systems looking for simple relays
- Compatible models:AquaLink R0468501 and R0466801
- System compatibility:RS, PDA, and upgrade assemblies
- Outputs:Multiple pumps, heaters, lighting
- Voltage:24V
- Dimensions:1 x 1 x 1 inches
Our verdict“A comprehensive, high-capacity control board for complex systems, best suited for skilled installers.”
Hayward OmniHub Smart Relay Kit HLH485RELAY
The Hayward OmniHub HLH485RELAY is designed for seamless and reliable automation with its RS485 communication protocol. Its durable copper contacts and panel-mount design make it a solid choice for those seeking long-lasting performance. This relay excels in scenarios where reliable data transfer and consistent operation are required, especially in complex automation setups. The main limitation is that it is sold as a single relay, meaning multiple units are needed for comprehensive control, which can increase costs and complexity. Overall, it’s a dependable relay for those prioritizing robust communication and durability in their automation system.
Pros:- RS485 communication ensures reliable system integration
- Copper contacts enhance longevity
- Easy panel-mount installation
Cons:- Only a single relay included; multiple units needed for full control
- Designed for experienced users familiar with RS485 systems
Best for: Owners needing reliable, long-term relay performance in automation setups
Not ideal for: Users requiring multiple relays from a single purchase or simple setups
- Brand:Hayward
- Model:HLH485RELAY
- Connector Type:Screw
- Contact Material:Copper
- Operation Mode:Automatic
Our verdict“A dependable relay for complex automation that demands durable communication, but it requires additional units for full coverage.”

How We Picked
Our selection process focused on relays that provide reliable control, broad compatibility, and ease of installation for pool automation systems. We prioritized products with clear specifications on amperage and system compatibility, favoring those with proven durability and straightforward wiring. Each product was compared based on its ability to handle common pool equipment loads, the clarity of installation instructions, and the integration features such as communication protocols. Our goal was to identify options suitable for different user needs—from DIY enthusiasts to professional installers—while highlighting key tradeoffs like system restrictions and upgrade potential.
| pool automation panel with relay | Brand |
|---|---|
| Jandy 6581 AquaLink RS 3 HP Po | — |
| Pentair RLYLX 20-Amp Additiona | Pentair |
| Pentair IntelliFlo3 VSF Pool P | Pentair |
| R0468501 AquaLink RS8 Power Ce | — |
| Hayward OmniHub Smart Relay Ki | Hayward |
Factors to Consider When Choosing Best Pool Automation Panel With Relays
Selecting the best pool automation panel with relays hinges on your system compatibility, control sophistication, and installation preferences. Whether you’re upgrading an existing setup or installing anew, understanding relay power ratings, communication protocols, and ease of wiring will guide your choice. For DIY enthusiasts, relays with harnesses and straightforward wiring are crucial, while professionals may prioritize system compatibility and expandability. The right relay will balance control features with your pool’s specific equipment and your long-term maintenance plans.
Compatibility and System Support
The most important factor is whether the relay supports your existing pool automation system. Some relays are brand-specific, like the Jandy AquaLink or Pentair systems, and won’t work outside their ecosystems. For multi-brand setups or future upgrades, choosing relays with flexible communication protocols such as RS485 can simplify integration. Always verify the relay’s maximum current and power ratings to match your pool equipment’s load capacity.
Control Capabilities and Features
Consider whether you need simple on/off control or more advanced features like remote digital inputs, customizable programs, or real-time monitoring. Relays supporting digital control inputs or integration with automation hubs will allow deeper customization and automation. For high-end setups, relays with support for multiple channels and programmable logic provide greater flexibility but often involve more complex wiring and configuration.
Ease of Installation and Maintenance
Ease of installation varies widely. Some relays come with harnesses or plug-and-play wiring, while others require professional wiring and configuration. Durability and material quality, such as copper contacts, also influence long-term performance. If you prefer a straightforward upgrade, look for relays with comprehensive wiring instructions and compatibility with existing control panels. For complex or large systems, investing in professional installation may be necessary to ensure safety and proper function.
Frequently Asked Questions
How do I know if a relay is compatible with my pool system?
Compatibility depends on the brand and model of your pool automation system. Check the relay’s specifications for supported brands, system types, and load ratings. For example, if you have a Pentair system, selecting a relay designed specifically for Pentair ensures seamless operation. Always verify the maximum current and voltage ratings align with your equipment’s requirements to avoid damage or malfunction.
Can I install a relay myself, or should I hire a professional?
The ease of installation varies by relay. Some units include harnesses and clear wiring instructions suitable for DIY installation. However, relays that require wiring into complex control panels or high-voltage connections should be handled by a qualified technician. Proper installation is vital for safety, reliability, and maintaining warranty coverage, so when in doubt, consulting a professional is advisable.
What is the difference between relay types like panel-mount and plug-in?
Panel-mount relays are designed to be installed directly into control panels using screw terminals, offering a secure and durable connection suitable for permanent setups. Plug-in relays or those with harnesses are easier to install and often favored for quick upgrades or DIY projects. The choice depends on your system’s design, your technical comfort level, and whether you plan to expand or modify your setup in the future.
How many relays do I need for a typical pool automation system?
The number depends on how many devices you want to control—pumps, heaters, lighting, etc. A simple system might need just one relay, but larger systems with multiple equipment pieces can require several relays. Some relays are sold individually, so consider your total load and plan for additional units if necessary to ensure comprehensive automation control.
What should I consider regarding relay durability and maintenance?
Durability hinges on material quality—relays with copper contacts and robust enclosures tend to last longer. Regular inspections and testing ensure they operate correctly over time. For outdoor or harsh environments, choose relays rated for weather resistance. Proper wiring and avoiding overloads also help extend relay lifespan and reduce maintenance needs.
Conclusion
For owners with existing Jandy setups, the Jandy 6581 AquaLink RS relay offers a reliable, compact solution, though only within that ecosystem. Pentair users will find the Pentair RLYLX 20-Amp Relay to be a straightforward replacement, while those seeking advanced pump control should consider the Pentair IntelliFlo3 I/O relay board. DIY enthusiasts or owners needing highly reliable communication should prefer the Hayward OmniHub Smart Relay Kit for its durable RS485 protocol. For large or complex systems, the Jandy Power Center Board provides comprehensive control but requires professional installation. Ultimately, your choice hinges on your system compatibility, control needs, and willingness to handle installation complexity.








