Back to Pool Equipment Guides
treatment

pH/ORP Controller (automated chemical monitoring)

Automatic pH and ORP adjustment; 2-3 channel monitoring capability; requires electrode sensors; DIY sensor cleaning only; professional calibration recommended quarterly

Installed price$400–$1,800LA-area, parts and labor
Typical lifespan~6 yrswith regular care
Cost per year of life$67–$300price ÷ lifespan
Who usually installs it10% DIY · 90% pro

Most installs involve plumbing or electrical work. When wiring or gas lines are involved, call a licensed pro.

Common brandsPentair ScreenLogicHayward OmniLogicIPSRola-Chem

Repair or replace?

A common rule: if a repair costs more than half the price of new, or the unit is in its last year or two of a ~6-year life, replacing is often the better value. Try the repair-or-replace calculator with your own quote. Ranges are LA-area estimates; see How We Estimate.

Related repairs

Maintenance that protects it

Costs and calculators