Touchless Faucets
Updated February 20, 2026
Hands-free activation improves hygiene and convenience. Ideal for kitchens and high-traffic bathrooms.
Overview
Touchless faucets activate with a motion sensor -- wave your hand near the sensor and water flows. Pull your hand away and it stops. Originally commercial/restaurant technology, now mainstream in home kitchens and bathrooms. Ideal for cooking (messy hands), hygiene (no touching the handle), and water conservation (auto-shutoff). Powered by batteries (AA or C-cell, 1-2 year life) or AC adapter. The sensor is usually in the spout or base.
Key Features
- Infrared motion sensor activates water flow without touching the faucet
- Auto-shutoff after a set time (usually 2-3 minutes) prevents accidental waste
- Battery powered (1-2 year life) or AC adapter for continuous power
- Manual override handle for when sensors are impractical (filling large pots)
- Available in pull-down kitchen, bathroom, and commercial styles
Sizing & Selection
Same sizing considerations as standard single-handle faucets. Single-hole mount is standard. Additional consideration: the sensor control box mounts under the sink and needs space. Battery compartment also mounts under the sink. Verify cabinet space before buying.
Installation
Similar to standard faucet installation plus: mount the sensor control box under the sink, connect the sensor wire, install batteries or plug in the AC adapter. Some models have the sensor and electronics built into the faucet body with no external box. Installation takes 60-90 minutes. Follow manufacturer instructions for sensor calibration -- sensitivity adjustment prevents false activations.
Maintenance
- Replace batteries when the sensor LED blinks or responsiveness drops. Typically every 1-2 years.
- Clean the sensor window with a soft cloth monthly. Soap and mineral buildup block the infrared beam.
- The solenoid valve (electronic water valve) can fail after 5-10 years. Replacement parts are available from the manufacturer.
- Keep the manual override handle functional -- you need it if electronics fail.
Buying Tips
- Moen MotionSense, Delta Touch2O, and Kohler Touchless are the three major residential brands. All offer lifetime mechanical and 5-year electronic warranties.
- Battery-powered models are easier to install (no outlet needed). AC adapter models never need battery changes.
- Test the sensor range in-store if possible. Some sensors are too sensitive (activating when you reach past), others not sensitive enough.
- Budget 20-40% more than an equivalent manual faucet. The convenience premium is worth it for heavy kitchen use.
- Avoid cheap off-brand touchless faucets. The sensor and solenoid quality directly impacts reliability and lifespan.