Product Overview

The Hayward CAT 2000 Standard Package | CAT2000 is a commercial-grade automated water chemistry controller designed to continuously monitor and control pH and sanitizer activity (ORP) in swimming pools, fountains, and other commercial aquatic applications.

The CAT 2000 monitors water chemistry in real time and automatically activates connected chemical feed equipment as needed to maintain programmed pH and ORP set points. The system can be used with chlorine, bromine, salt-chlorine generation systems, acid/base chemical feeders, and other compatible chemical feed equipment.

Its microprocessor-based control system provides proportional chemical feed, configurable safety alarms, overfeed protection, and straightforward digital operation. The Standard Package comes preassembled on a PVC backboard with a molded flow cell and float-style flow sensor for easier installation.

Key Features

• Automatically monitors pH and ORP/sanitizer activity
• Microprocessor-based digital controller
• Automatic proportional chemical feed control
• Compatible with chlorine and bromine chemical feeders
• Compatible with salt-chlorine generation systems
• Dry-contact output for chlorine generation systems
• Professional-series pH and ORP sensing
• Molded flow cell included
• Float-style magnetic flow sensor included
• Bright LED digital display
• Weather-resistant membrane-switch control panel
• Adjustable pH and ORP set points
• High and low pH alarms
• High and low ORP alarms
• Chemical overfeed timeout protection
• Flow alarm protection
• pH priority-feed capability
• Supplemental feed modes
• pH interlock capability
• RS232 communication interface
• Remote alarm dry-contact capability
• Factory settings retained in memory
• Designed for commercial pool and aquatic-facility applications

Specifications

What's Included

The CAT2000 Standard Package includes:

• Hayward CAT 2000 automated controller
• Professional-series pH sensor
• Professional-series ORP sensor
• Injection-molded flow cell
• Float-style magnetic flow sensor
• PVC mounting backboard
• Required controller/flow-cell components for standard installation

Water Chemistry Control

The CAT 2000 measures both pH and oxidation-reduction potential (ORP). ORP provides an indication of sanitizer activity in the water rather than simply measuring the amount of chlorine present.

When the measured chemistry moves away from the programmed set point, the controller can activate compatible chemical feed equipment to automatically correct the condition. This helps commercial facilities maintain more consistent water chemistry while reducing the need for constant manual chemical adjustment.

Safety & Control Features

Hayward incorporates multiple programmable safeguards into the CAT 2000, including:

• pH high and low alarms
• ORP high and low alarms
• pH and ORP overfeed timeout
• Flow alarms
• pH priority feed
• pH interlock
• Supplemental chemical feed modes
• Manual 30-minute direct-feed mode
• Automatic, off, set and calibration modes

These features make the CAT 2000 well suited for commercial pools where consistent chemical control and operational safeguards are important.

CAT 2000 Standard vs. Professional Package

The CAT2000 Standard Package uses an injection-molded flow cell with a float-style flow sensor.

The CAT 2000 Professional Package uses the same general CAT 2000 control platform but upgrades the water-sampling assembly to a machined acrylic flow cell and rotary flow sensor.

For many standard commercial installations, the CAT2000 provides the core pH/ORP automation capabilities without requiring the upgraded Professional flow-cell assembly.

Warranty

Hayward's current commercial documentation specifies:

• Controller: 5-Year Limited Warranty
• Sensors: 2-Year Warranty
• Wearable Items: 1-Year Warranty

Warranty eligibility and coverage are subject to Hayward's current commercial warranty terms and installation requirements.

Frequently Asked Questions

Does the CAT2000 automatically add chlorine and acid?

The CAT2000 controls compatible external chemical feed equipment. When pH or ORP moves outside the programmed target, the controller activates the appropriate connected feeder. The chemical pumps, tanks, chlorinators, or other feed equipment may be sold separately depending on the installation.

Does the CAT2000 measure free chlorine?

No. The CAT2000 primarily controls sanitizer based on ORP, or oxidation-reduction potential. ORP represents the sanitizing activity of the water and is measured in millivolts.

Can the CAT2000 work with a salt chlorine generator?

Yes. The controller provides dry-contact outputs that can be used with compatible salt-chlorine generation equipment.

Does this package include the flow cell?

Yes. The CAT2000 Standard Package includes an injection-molded flow cell and float-style flow sensor.

Is the CAT2000 intended for commercial pools?

Yes. The CAT 2000 is part of Hayward's commercial water-chemistry control product line and is designed for commercial pools, fountains, and aquatic facilities.

Is the CAT2000 NSF certified?

The CAT 2000 controller is listed to NSF/ANSI Standard 50 according to Hayward's current commercial product documentation.