Gardena 1891-20 Irrigation System Part

The GARDENA Water Control (MPN 01891-20) is a battery-operated irrigation controller designed for sprinkler systems and direct connection to an outdoor tap. It supports up to three independent watering schedules, allowing flexible automatic irrigation planning. The device features a clear LC display, simple rotary-and-push control, a weatherproof removable operating unit and is compatible with the GARDENA Soil Moisture Sensor.

Advantages

The controller allows creation of three separate watering programmes for different zones or needs, is battery powered so no mains connection is required, and connects directly to the tap for straightforward installation. The large LC display and intuitive rotary/push operation make programming and confirmation of settings simple. The weatherproof and removable operating unit provides protection from the elements while enabling easy access for battery replacement or adjustments.

Suitable for

• Home garden sprinkler systems
• Small lawns and flower beds
• Seasonal or variable watering schedules

Key specifications

• Brand: GARDENA
• Manufacturer part number (MPN): 01891-20
• EAN: 4078500045698
• Designed for: sprinkler systems
• Supply: battery-operated (batteries not specified)
• Maximum water pressure: up to 12 bar
• Units per pack: 1 piece
• Weatherproof removable operating unit
• Compatibility: works with GARDENA Soil Moisture Sensor

How to use

Attach the Water Control directly to the outdoor tap according to the included connection adapter. Insert the required batteries and mount the weatherproof operating unit; use the rotary-and-push switch to select and confirm settings displayed on the LC screen. Program up to three independent watering schedules for required start times and durations. If used, connect the GARDENA Soil Moisture Sensor to adjust watering based on soil moisture readings.

Recommendations

Install the controller in a sheltered tap position if possible, replace batteries before the start of the irrigation season, and test each schedule after programming. Use the Soil Moisture Sensor to avoid unnecessary watering and to optimise water use.