Product Overview

The Hayward AquaRite S3 Omni Salt System | AQRS340OMNI combines salt chlorination with built-in Omni pool and spa automation for compatible in-ground pools up to 40,000 gallons. This system automatically generates chlorine from salt to help maintain clean, comfortable pool water while also giving pool owners advanced control over compatible pool equipment.

The AquaRite S3 Omni includes an LCD color display and supports control through the OmniLogic app, compatible external control options, and supported voice-control devices. It is designed to manage chlorine production and automate compatible pool features such as variable-speed pumps, heaters, relays, lighting, and valve operation when properly configured with the required accessories.

This model is designed for properly equipped in-ground pools and should be installed by a qualified pool professional or licensed electrician.

Ideal For

In-ground residential pools up to 40,000 gallons
Pool owners upgrading to salt chlorination with automation
Customers who want app-based pool control
Pool/spa combination systems needing automation capability
Systems using compatible variable-speed pumps and heaters
Pools with compatible Hayward ColorLogic lighting
Equipment pads that need expandable control options
New pool construction or equipment pad upgrades
Pool professionals installing Hayward AquaRite S3 Omni systems

What’s Included

Hayward AquaRite S3 Omni control system
LCD color display interface
Salt chlorination system components included with manufacturer packaging
Salt cell for compatible pools up to 40,000 gallons
Omni automation control capability
Manufacturer-supplied installation components and documentation

What’s Not Included

Installation labor
Pool salt
Additional plumbing fittings unless included by manufacturer packaging
Electrical wiring materials
Single-speed pump smart relay, if needed
GVA-24 valve actuators
pH and ORP probes
Voice-control devices
Additional smart relays or expansion accessories
Poolside remote or optional control accessories unless specified
Water chemistry balancing chemicals
Professional startup service

Compatibility Guidance

The Hayward AquaRite S3 Omni AQRS340OMNI is designed for compatible in-ground pools up to 40,000 gallons that need both salt chlorination and expandable automation control.

Before ordering, confirm the following:

Your pool is in-ground and does not exceed 40,000 gallons.
Your pool system is compatible with salt chlorination.
Your equipment pad has space for the AquaRite S3 Omni control system and salt cell plumbing.
Your plumbing layout can accept the salt cell in the correct location and orientation.
Your pool has proper bonding and grounding.
Your electrical setup supports professional installation of the control system.
Your pump, heater, lighting, valves, and other equipment are compatible with the desired Omni control features.
Any required accessories, such as smart relays, GVA-24 valve actuators, pH/ORP probes, or additional control modules, are purchased separately if needed.

This system should not be selected by gallon rating alone. Automation compatibility, pool type, equipment setup, plumbing layout, and electrical requirements should all be verified before purchase.

Pool Surface & Material Compatibility

The AquaRite S3 Omni can be used on many properly maintained in-ground pool surfaces, including plaster, pebble, quartz, tile, fiberglass, and vinyl liner pools, when water chemistry is kept within recommended ranges.

Before converting to or installing a salt system, confirm that your pool surface, equipment, and surrounding materials are suitable for saltwater operation.

Important surface and material considerations:

Plaster, pebble, quartz, and tile pools require balanced water chemistry to help reduce scaling, etching, staining, or surface wear.
Fiberglass pools should follow the pool shell manufacturer’s salt and water chemistry recommendations.
Vinyl liner pools should be checked for compatible fittings, ladders, rails, and metal components.
Natural stone, soft stone coping, water features, and decorative materials may require sealing, extra maintenance, or may not be recommended for saltwater exposure.
Metal fixtures, handrails, ladders, light niches, heaters, and bonding systems should be properly maintained to reduce corrosion risk.

Salt systems can work well on many pool types, but poor water balance, improper bonding, or incompatible surrounding materials can contribute to scaling, staining, corrosion, or surface damage.

Confirm Before Ordering

Before purchasing, please verify:

You need part number AQRS340OMNI.
Your pool is an in-ground pool.
Your pool volume is 40,000 gallons or less.
You want both salt chlorination and Omni automation control.
Your equipment is compatible with the control functions you want to use.
You understand optional accessories may be required for certain automation features.
Your pool surface and surrounding materials are suitable for salt chlorination.
Your pool has proper bonding and grounding.
Pool salt and water-balancing chemicals are sold separately.
Installation will be completed by a qualified pool professional or licensed electrician.

Key Features

Genuine Hayward AquaRite S3 Omni salt system
Model AQRS340OMNI
Designed for in-ground pools up to 40,000 gallons
Automatically generates chlorine from salt
LCD color display for local control and monitoring
Omni app control for compatible pool equipment
Supports control of compatible variable-speed pumps and heaters
Can control and schedule up to 3 variable-speed pumps when properly configured
Can control up to 2 heaters when properly configured
Includes support for 2 high-power relays
Valve ports support automatic spa mode switching with compatible actuators
ColorLogic lighting control with OmniDirect Mode
pH and ORP sensing capability with optional probes
Broad salt operating range of 800–8000 ppm
Expandable with compatible smart relays and Hayward accessories
Professional installation recommended

Benefits

The Hayward AquaRite S3 Omni AQRS340OMNI gives pool owners the benefits of salt chlorination plus the convenience of advanced pool automation. It helps maintain chlorine levels automatically while giving users easier control over compatible equipment from the control panel or Omni app.

For compatible pool and spa systems, Omni automation can simplify daily operation by allowing scheduled pump operation, heater control, lighting control, valve automation, and system monitoring from a centralized platform. This makes the AQRS340OMNI a strong option for customers who want more than a basic salt chlorinator.

The system is also expandable, allowing pool owners to add compatible accessories as equipment needs grow.

AquaRite S3 vs. AquaRite S3 Omni

The standard AquaRite S3 focuses on salt chlorination with built-in control for chlorine levels, compatible heaters, and variable-speed pumps.

The AquaRite S3 Omni adds expanded Omni automation capability, including app-based control, broader equipment scheduling, valve automation support, lighting control, and upgrade flexibility with compatible accessories.

Choose AQRS340OMNI if you want both salt chlorination and integrated Omni automation control for compatible pool equipment.

Recommended Use

Use the Hayward AquaRite S3 Omni AQRS340OMNI for in-ground pools up to 40,000 gallons where the owner wants salt chlorination plus advanced automation control.

This model is especially useful for pool/spa systems, variable-speed pump setups, compatible heater control, ColorLogic lighting systems, and equipment pads that may need future expansion.

For above-ground pools, oversized pools, or systems that only need basic salt chlorination without Omni automation, a different model may be a better fit.

Installation Notes

This system should be installed by a qualified pool professional or licensed electrician. Installation may involve plumbing, electrical wiring, bonding, grounding, flow detection, salt cell placement, equipment control wiring, automation setup, app configuration, water chemistry balancing, and startup testing.

Professional installation is recommended to ensure:

Correct salt cell placement
Proper water flow through the cell
Correct electrical wiring
Proper bonding and grounding
Safe control panel mounting
Correct Omni configuration
Proper app setup and equipment pairing
Compatibility with pumps, heaters, valves, lights, and relays
Correct startup and water chemistry balancing

Improper installation or poor water chemistry can cause system errors, low chlorine production, scaling, corrosion, equipment problems, surface damage, or automation issues.

Important Salt Pool Note

Salt systems do not eliminate pool maintenance. The pool still requires regular water testing, brushing, filtration, pH control, stabilizer management, calcium hardness monitoring, and periodic salt cell inspection or cleaning.

Maintaining proper water chemistry is especially important for protecting pool surfaces, heaters, metal fixtures, stonework, and pool equipment.

Technical Specifications

Customer-Facing Q&A

Q: What size pool is the Hayward AQRS340OMNI designed for?
A: This AquaRite S3 Omni model is designed for in-ground pools up to 40,000 gallons.

Q: Is this for in-ground or above-ground pools?
A: This system is intended for in-ground pools.

Q: What is the difference between AQRS340 and AQRS340OMNI?
A: AQRS340 is the AquaRite S3 salt system. AQRS340OMNI adds expanded Omni automation control, including app-based control and additional equipment automation capabilities.

Q: Does this include a salt cell?
A: Yes. This 40,000-gallon AquaRite S3 Omni system package includes the salt cell for compatible installations.

Q: Does this include pool salt?
A: No. Pool salt is sold separately.

Q: Can I control the system from my phone?
A: Yes. The Omni version supports app-based control when properly installed and configured.

Q: Can this control my variable-speed pump?
A: Yes. It can control compatible variable-speed pumps when properly configured.

Q: Can this control a single-speed pump?
A: Single-speed pump control may require a compatible smart relay, sold separately.

Q: Can this control pool and spa valves?
A: Yes. The system includes valve ports for automatic spa mode switching when paired with compatible GVA-24 valve actuators, sold separately.

Q: Can this control pool lights?
A: Yes. It supports compatible Hayward ColorLogic lighting control with OmniDirect Mode.

Q: Does this include pH and ORP probes?
A: No. pH and ORP sensing capability is available, but probes are sold separately.

Q: What pool surfaces can use this salt system?
A: Salt systems can be used on many properly maintained in-ground pool surfaces, including plaster, pebble, quartz, tile, fiberglass, and vinyl liner pools. Water chemistry, bonding, and material compatibility must be maintained.

Q: Can salt water damage stone or metal around the pool?
A: Salt exposure can affect certain natural stone, soft stone, metal fixtures, ladders, rails, and surrounding materials if they are not compatible or maintained properly. Confirm material compatibility before converting to salt chlorination.

Q: What salt level does this system operate in?
A: AquaRite S3 systems operate across a broad salt range of 800–8000 ppm.

Q: Does a salt system mean I no longer need to maintain the pool?
A: No. Salt systems still require regular water testing, pH control, filtration, brushing, stabilizer management, calcium hardness monitoring, and salt cell maintenance.

Q: Should this be professionally installed?
A: Yes. Professional installation is recommended because the system requires plumbing, electrical wiring, bonding, grounding, flow verification, automation setup, and proper startup.