Open the battery compartment (usually on the back or bottom).
This guide was last updated in 2026. Links and model numbers are subject to change, but the methods described here are timeless.
: Finally, turn the dial to AUTO or RUN . With a satisfying click , the timer seals its pact, ready to water the earth even while you sleep.
This article provides a comprehensive guide to setting up your Gardenline timer, along with a direct link to the instruction manual. Aldi Gardenline Water Timer Go to product viewer dialog for this item. Instructions Link (PDF) If you need the official, printable PDF manual for the Aldi Gardenline Water Timer Go to product viewer dialog for this item. , you can usually find it directly on the Aldi UK website. Search for " Gardenline Water Timer Go to product viewer dialog for this item. " on the Aldi website.
: Turn to HOW LONG (or RUN TIME ). You can command the water to flow for a mere minute or a marathon of 240 minutes.