Product Overview

The Pentair Compool ESO2 Shut-Off Switch with Alarm is a genuine replacement emergency shut-off switch designed for compatible Pentair Compool pool and spa control systems. This double-gang plate switch provides a dedicated shut-off function and includes an integrated alarm for audible notification when activated.

This replacement part is commonly used on Compool automation systems where an emergency shut-off switch is required, damaged, worn, or no longer operating properly. It is intended for professional installation as part of an electrical pool and spa control system.

Ideal For

Pentair Compool automation systems
Pool and spa emergency shut-off applications
Replacing damaged shut-off switches
Restoring alarm-equipped shut-off function
Pool and spa control system repairs
Commercial pool safety upgrades
Automation service technicians
Qualified electricians and pool professionals

Key Features

Genuine Pentair replacement part
Emergency shut-off switch with alarm
Double-gang plate design
Designed for compatible Pentair Compool pool and spa control systems
Includes integrated audible alarm
Helps provide quick equipment shut-off in emergency situations
Replacement for worn, failed, or damaged shut-off switch assemblies
Designed for pool and spa automation/control applications
Professional electrical installation required

Benefits

The Pentair ESO2 helps restore an important safety function on compatible Compool control systems. The double-gang plate design provides a clear, accessible shut-off switch location, while the built-in alarm gives an audible alert when the switch is activated.

Using a genuine Pentair replacement part helps maintain proper fitment and compatibility with approved Compool control equipment. This is especially important for pool and spa automation systems where safety controls, electrical connections, and code compliance matter.

Specifications

Customer-Facing Q&A

What does the Pentair ESO2 do?
The ESO2 is an emergency shut-off switch with an integrated alarm for compatible Pentair Compool pool and spa control systems.

Is this for Pentair Compool systems?
Yes. This switch is designed for use with Pentair Compool pool and spa control systems.

Does this include the alarm?
Yes. The ESO2 includes an integrated audible alarm.

What does double-gang plate mean?
A double-gang plate means the switch assembly is designed for a wider two-gang electrical box/plate layout, not a single standard switch plate.

Is this a complete automation system?
No. This is only the shut-off switch with alarm. It does not include the full Compool control system, power center, circuit board, relays, actuators, sensors, or wiring.

What parts does this replace?
This part is commonly listed as replacing 84178 and 9237-041.

Can homeowners install this?
No. This is an electrical control component and should be installed only by a licensed electrician or qualified pool automation technician familiar with pool and spa control systems.

Confirm Before Ordering

Confirm your automation system model and wiring requirements before ordering. This switch is designed for compatible Pentair Compool pool and spa control systems and should not be used as a generic electrical switch replacement.

Electrical pool control components must be installed according to local code by a qualified professional. Power must be shut off at the breaker before servicing any automation or control wiring.