Intermatic PA122 Water/Solar Temperature Sensor, Black, Replacement with 12 Month Warranty & USA Business

Restore accurate pool, spa, and solar temperature monitoring with the Wholesale Sensors Replacement for Intermatic PA122 Water/Solar Temperature Sensor. Engineered as a perfect OEM-style replacement, this sensor is designed to meet or exceed original functional specifications while providing reliable temperature feedback to compatible Intermatic MultiWave pool and spa control systems.

The Intermatic PA122 is officially specified as a 10K-ohm water/solar temperature sensor for MultiWave systems. Intermatic states that the sensor monitors pool or spa water temperature for controlling conventional gas or electric heating. It can also monitor water temperature for solar heating and cooling applications. Intermatic

Replacement for Intermatic PA122

This Wholesale Sensors component is designed as an aftermarket replacement for:

Intermatic PA122 Water/Solar Temperature Sensor

The PA122 designation is the primary manufacturer part number. Intermatic’s own product catalog identifies PA122 as the water/solar temperature sensor accessory for its MultiWave control equipment. Intermatic

This Wholesale Sensors component is an aftermarket replacement and is not represented as a genuine Intermatic product.

10K-Ohm Pool and Spa Temperature Sensor

The PA122 uses a 10K-ohm temperature sensing configuration. Intermatic specifically identifies the PA122 as a “Water/Solar Temperature Sensor, 10k OHM, For MultiWave systems.” Intermatic

This temperature sensor provides the compatible automation system with the information needed to monitor pool or spa water temperature. Accurate temperature feedback is especially important when the automation system is controlling a gas heater, electric heater, or solar heating system.

The sensor does not directly heat or cool the water. Instead, it provides temperature information that the compatible control system uses when determining heating or cooling operation.

Intermatic MultiWave Compatibility

The PA122 is specifically designed for Intermatic MultiWave systems.

Intermatic confirms that the PE653 MultiWave 5-Circuit Wireless Receiver connects with the PA122 water/solar temperature sensor. The receiver can communicate with pumps, cleaners, heaters, lights, and water temperature sensors. Intermatic

Documented compatible equipment includes:

Intermatic PE653 MultiWave 5-Circuit Wireless Receiver

Intermatic PE653RC MultiWave Control System

Intermatic’s MultiWave documentation lists PA122 as the water/solar temperature sensor accessory for the PE653RC system. Intermatic

Because Intermatic has produced multiple generations of pool and spa control equipment, always verify the original sensor part number and controller before ordering.

Water Temperature Monitoring

When installed for conventional pool or spa heating, the PA122 monitors pool or spa water temperature.

The compatible MultiWave controller can use this information for heater thermostat control. Intermatic specifically lists Heater Thermostat Control as the application for PA122. Intermatic

Reliable temperature feedback helps the automation system determine whether additional heating is required based on the selected temperature settings and system configuration.

A failed or inaccurate sensor can interfere with this feedback, resulting in temperature readings that do not accurately reflect actual water conditions.

Solar Heating and Cooling Applications

The PA122 is not limited to conventional heaters.

Intermatic also specifies the PA122 for monitoring water temperature in solar heating and cooling applications. Intermatic

This makes the sensor suitable for compatible MultiWave installations where the automation system uses temperature information as part of a solar pool heating or cooling strategy.

The correct installation location depends on how the specific MultiWave system is configured. When replacing an existing PA122, install the replacement in the same intended sensing position and follow the applicable controller installation instructions.

Helps Correct Temperature Control Problems

A faulty water temperature sensor may contribute to symptoms such as:

Incorrect pool or spa temperature readings

Displayed temperature differing from actual water temperature

Heater turning on or off at incorrect temperatures

Unstable temperature regulation

Failure to maintain the selected temperature

Incorrect solar heating or cooling response

Intermittent or missing temperature feedback

A properly functioning replacement sensor can restore reliable temperature information when testing confirms that the original PA122 is defective.

These symptoms do not automatically mean the sensor has failed. Similar problems can result from damaged wiring, poor electrical connections, controller problems, low water flow, heater faults, pump problems, configuration errors, or other pool equipment issues.

Rigorously Tested for Reliable Performance

Pool and spa equipment operates in demanding environments that can include moisture, changing outdoor temperatures, sunlight, chemicals, and continuous operation.

The Wholesale Sensors PA122 replacement is designed for dependable temperature monitoring in compatible pool and spa applications.

Each sensor is rigorously tested for temperature response, electrical continuity, wiring integrity, connection quality, and consistent functional performance.

The 10K-ohm sensing configuration is designed to provide the temperature feedback expected by compatible Intermatic MultiWave equipment.

Straightforward Replacement Installation

Before servicing pool or spa electrical equipment, disconnect electrical power and follow the manufacturer’s safety procedures.

Identify the original PA122 sensor and document its mounting position and wiring before removal.

For water-temperature applications, historical Intermatic PA122 installation instructions specify installing the sensor in the pool circulation plumbing and positioning it according to the controller’s installation requirements. manualzz.com

When replacing an existing PA122, use the original sensor position whenever appropriate and route the wiring securely away from sharp edges, excessive heat, moving components, and other potential sources of damage.

After installation, restore system operation and compare the displayed temperature with the actual water temperature.

If inaccurate readings or heater problems continue, inspect the sensor wiring, connections, controller settings, water circulation, heater, and related equipment before replacing additional components.

No Automotive OBD-II Codes

The Intermatic PA122 is a pool and spa water/solar temperature sensor, so automotive OBD-II diagnostic trouble codes do not apply.

Pool automation systems may display system-specific temperature or equipment faults depending on the controller and configuration. A displayed fault should be diagnosed using the service information for the exact Intermatic control system.

The PA122 should be replaced when troubleshooting indicates the original temperature sensor or its circuit is defective.

12-Month Warranty and USA-Based Support

Wholesale Sensors specializes in dependable replacement temperature sensors, thermistors, probes, pressure sensors, switches, connectors, and related components for pool and spa equipment, appliances, HVAC systems, commercial equipment, automotive applications, and industrial systems.

The Wholesale Sensors Replacement for Intermatic PA122 Water/Solar Temperature Sensor provides a reliable solution for compatible MultiWave pool and spa automation systems requiring a 10K-ohm water or solar temperature sensor.

Every replacement includes a strong 12-month warranty and responsive USA-based product support, giving pool owners, spa owners, professional technicians, maintenance departments, property managers, and pool service companies added confidence when replacing an Intermatic PA122 temperature sensor.