Hayward Gold-Tip ORP Probe – 2 ft (24 in) | W3PRO25-AU-2
No. ORP measures oxidation-reduction potential and is influenced by water chemistry. Use a suitable water test for sanitizer concentration. Follow the installed controller’s setup, calibration and commissioning procedure. A replacement sensor should not be assumed ready for operation without checking the system. Use the manual for the installed controller and the exact probe specification. If the controller or original probe number is unclear, confirm it before ordering or commissioning. Hayward lists 1-year parts coverage for W3PRO25-AU-2. Labor coverage is not listed. Eligibility and exclusions are subject to the applicable Hayward warranty terms. This listing is for Hayward W3PRO25-AU-2. Match the complete model number before ordering; a similar model name does not establish identical fit, features or warranty.Product FAQs
Is an ORP reading the same as chlorine ppm?
Do I need to calibrate or configure it?
Where can I find sensor-care instructions?
What warranty applies to this W3 model?
Which exact model is this?
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Hayward Gold-Tip ORP Probe – 2 ft (24 in) | W3PRO25-AU-2
Description
Description
Match the sensor to your controller
Hayward W3PRO25-AU-2 is a gold-tip ORP replacement probe for a compatible water-chemistry control installation. Choose the exact probe and cable configuration required by the controller and flow cell, then calibrate or commission the sensor using the applicable instructions.
Why choose this model?
Measure the correct parameter
An ORP probe measures oxidation-reduction potential; it is not a direct free-chlorine concentration sensor.
Match the installed equipment
Verify the probe type, connection and mounting requirements against the controller’s documentation.
Sensor care matters
Use the controller’s approved cleaning, calibration and storage guidance to protect sensor performance.
Before you order
Match the installed probe model and cable reach before ordering. Do not substitute a pH probe for an ORP probe or assume every Hayward controller accepts the same sensor.
See Specifications for technical details and Product FAQs for buying and ownership answers.
Specifications
Specifications
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SKU
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UPC or GTIN
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Product Type
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Size/Connection
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Materials
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Warranty
Product Warranty
Product Warranty
We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:
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Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.
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