Rachio 3 Smart Sprinkler Controller (8-Zone) Review (2026)
By The DIYPicks Team · Updated July 2026
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4.7$2308-zone model; roughly $180-230 street (4/12/16-zone versions also sold)Check Price on Amazon →
- Existing sprinkler system
- Automation
- Tech savvy
- Water savings
The Rachio 3 is the enthusiast pick for automating an existing in-ground system: subscription-free app, strong weather-based scheduling, and WaterSense rebate eligibility. Best when you have wired valves and want set-and-forget watering.
Pros
- No subscription - all app features (weather skips, scheduling, remote control) are free
- EPA WaterSense labeled, so it qualifies for water-district rebates in many areas
- Hyperlocal weather skips plus optional wireless flow meter for leak detection and true smart watering
Cons
- Costs more than budget controllers like the Orbit B-hyve XR
- Standard enclosure is indoor-rated; an exposed outdoor install needs a separately purchased weatherproof box
- Only useful if you already have a wired in-ground sprinkler system and reliable Wi-Fi at the panel
Specifications
| Type | Wi-Fi in-ground sprinkler controller |
|---|---|
| Zones | 8 (also 4, 12, 16) |
| Connectivity | Dual-band Wi-Fi + app (no monthly fees) |
| Scheduling | Weather Intelligence Plus - rain/wind/freeze skips, Seasonal Shift |
| Best for | Automating an existing in-ground irrigation system |