The Hayward GLX-PROBE-PH is a genuine OEM replacement pH probe used to measure pool water pH in compatible Hayward chemistry automation systems. It restores accurate pH monitoring when your existing probe is old, drifting, slow to respond, or has failed.
Fits / Compatibility
Hayward Sense & Dispense chemistry systems: AQL-CHEM and AQL-CHEM-UPG
Also commonly listed for compatible Hayward salt chlorine/automation systems: AQR-PRO-SD and HPC-4-ACT-RC (verify your configuration/parts diagram)
Pool Type: In-Ground
What It Fixes
pH readings that drift or no longer match manual testing
Slow response to chemical changes or unstable pH display
Probe that is worn out, damaged, or has a compromised cable/connector
Chem automation that cannot maintain stable pH due to inaccurate sensing
Key Features
OEM Hayward replacement probe for reliable fit and signal compatibility
Designed for continuous pH monitoring in automated chemistry control systems
Direct-replacement style installation for supported Hayward Sense & Dispense setups
Whats Included
1 GLX-PROBE-PH pH probe
Installation Notes
Turn off equipment power before servicing chemistry controllers.
Install the probe in the correct location in the sensing cell/sample stream as directed by your system manual.
After replacement, calibrate the pH probe using proper calibration solution(s) for accurate readings.
Keep the probe wet during handling; avoid letting the sensing tip dry out.
Specs (Quick Reference)
Part Number: GLX-PROBE-PH
Part Type: Sanitization Parts
Channel: Open Line
Warranty: 1-Year (Parts Only)
Approx. Shipping Weight: 1 lb
Related Products
Hayward GLX-PROBE-PH pH Probe (search)
Hayward GLX-PROBE-ORP ORP Probe (search)
Hayward HL-CHEM Sense & Dispense Kit (search)
Hayward AQL-CHEM Parts & Accessories (search)
pH Probe Calibration Solution (search)
Acid Feed Pumps / pH Reduction Pumps (search)
Maintenance Tips
Rinse the probe tip gently with clean water during servicedo not scrub with abrasive materials.
Calibrate on schedule (and anytime readings drift from your reliable manual test kit).
Maintain balanced water chemistry to reduce scale buildup that can coat probes and affect accuracy.
If your readings become unstable, check sample flow through the sensing cell and inspect for air bubbles in the line.
