Mechanical watering timer Kärcher WT 4.000 Black Yellow

The Kärcher WT 4.000 mechanical watering timer provides precise watering on demand for small to large garden areas. The unit features a removable display, large control knobs and a clearly arranged control panel for straightforward programming. It supports automatic start and stop at preset times, manual watering and individual setting of watering frequency and duration up to 120 minutes. Tap adaptor and prefilter are included; 9 V battery is not included. The product is compatible with common click-on systems and is designed to reduce unnecessary water flow for environmental and cost benefits.

Advantages

The removable display and large control knobs make programming easy and ergonomic. Automatic start/stop ensures watering occurs exactly at the chosen times while manual override is available when needed. Included tap adapter and prefilter simplify installation and protect the device. An indicator light shows programming status and battery condition. The timer offers flexible start times and watering durations up to 120 minutes for precise irrigation control.

Suitable for

• Watering small to large garden areas
• Watering under trees and bushes
• Irrigating ornamental plants, individual and potted plants
• Watering food and useful plants in small beds and pots

Key specifications

• Model: Kärcher WT 4.000 (Mechanical watering timer)
• Power: 9 V battery (not included)
• Maximum watering duration: up to 120 minutes
• Features: removable display, manual watering option, indicator light for programming and battery status
• Accessories included: tap adaptor and pre-filter
• Compatibility: compatible with common click-on systems
• Dimensions (manufacturer data): width 120 mm, depth 115 mm, height 125 mm

How to use

Attach the tap adaptor to a compatible outdoor faucet and connect the watering timer. Insert a 9 V battery (not included) and mount the removable display if desired. Use the large control knobs and the clear panel to set the desired watering frequency, start time and duration (up to 120 minutes). Start and stop occur automatically at the preset times; manual watering can be initiated via the control panel when immediate irrigation is needed.

Recommendations

For reliable operation replace the 9 V battery promptly when the indicator light shows low battery. Clean the prefilter periodically to prevent clogging and ensure consistent flow. Choose watering durations and frequencies based on plant type, soil conditions and weather to avoid overwatering.