Watering by hand is a chore. Watering on a schedule is a habit your plants will thank you for.
There’s a version of gardening that runs on guesswork: water when you remember, hope it’s enough, worry when you’re away. The plants get too much or too little, water gets wasted, and the garden only thrives when you happen to be home. The Garmerain GWT104S programmable hose timer changes that — it puts your watering on autopilot, so your lawn, flower beds, and vegetable garden get consistent, precisely measured water exactly when they need it, whether you’re at work, on vacation, or just relaxing on the patio.
Meet the GWT104S
The GWT104S is a compact, battery-powered garden hose timer that connects directly between your outdoor faucet and your hose. A clear LCD display shows your current program and the next scheduled watering time at a glance, while a simple dial and four-button control panel let you set everything in seconds — no smartphone, no Wi-Fi, no hub required.
Water on your schedule, not your memory
The heart of the GWT104S is its flexible automatic watering program:
- Watering frequency that fits any garden — choose to water every 1–12 hours for fast-draining soil and hot spells, or every 1–7 days for established lawns and shrubs that need less attention.
- Duration control from 1 to 240 minutes — deliver a quick 10-minute soak or a deep 2-hour watering, all in a single program.
- 7-day flexibility — the scheduling dial covers the full week, so you can tailor your watering plan day by day.
Once the program is set, the GWT104S handles the rest. It opens the water at the programmed time, runs for exactly the duration you chose, then shuts off automatically — day after day, while you’re busy doing anything else.
Features designed around real garden life
- Rain Delay — when the weather beats you to it, press the delay function to postpone the next watering cycle. No need to reprogram; just push watering back until the soil actually needs it.
- Manual mode for on-demand watering — need to fill a watering can, rinse off the patio, or give a thirsty spot a quick drink? Switch to manual and water as long as you like, right from the timer.
- Always-on display — the LCD shows the current mode and the next start time (for example, “Auto, Next 12:30 AM”), so you always know what your garden is doing.
- Simple controls — a mode dial for AUTO / OFF / Manual plus + / − / OK buttons make first-time setup genuinely easy.
Built to live outdoors
A garden timer has to survive the elements, and the GWT104S is ready for them:
- IP55 weatherproof rating — protected against dust and water spray, so it can stay connected at the faucet through rain, sun, and sprinkler overspray.
- Works in real outdoor temperatures — rated for 3°C to 50°C, appropriate for the warm gardening season.
- Battery powered with two AA batteries (1.5 V, not included) — no wiring, no power outlet needed; just install the batteries and mount it on the faucet.
- Handles a serious water flow — maximum flow rate of 35 L/min (5.8 gal/min) and working pressure from 7.25 to 116 PSI (0.5–8 bar) covers standard household and garden water supplies.
Fits your existing setup
The GWT104S is designed to work with standard garden equipment:
- 3/4″ connections throughout — the inlet accepts a standard 3/4″ screw thread (US NH or EU BSP versions available), and the outlet fits a standard 3/4″ tube.
- BSP / NPT thread options — choose the thread standard that matches your local fittings.
Where the GWT104S fits
- Lawns and flower beds — keep the grass green and the borders blooming with consistent early-morning watering.
- Vegetable and herb gardens — crops perform best with steady moisture; a timer removes the “did I water today?” guesswork.
- Hanging baskets and patio planters — perfect for plants that need frequent, small waterings.
- Greenhouses and raised beds — maintain even soil moisture without daily visits.
- Vacation and travel — your garden keeps its routine while you’re away, so you can leave without arranging a watering favor.
Specifications at a glance
| Item | Specification |
|---|---|
| Type | Programmable garden hose timer |
| Water pressure | 7.25–116 PSI (0.5–8 bar) |
| Maximum flow rate | 35 L/min (5.8 gal/min) |
| Waterproof rating | IP55 |
| Operating temperature | 3°C–50°C (37.4°F–122°F) |
| Watering frequency | Every 1–12 hours, or every 1–7 days |
| Watering duration | 1–240 minutes (up to 4 hours) |
| Water inlet | NH (US) 3/4″ screw thread / BSP (EU) 3/4″ |
| Water outlet | 3/4″ standard tube |
| Thread specification | BSP / NPT |
| Battery | 2 × AA (1.5 V) alkaline, not included |
The bottom line
A great garden isn’t built on luck — it’s built on consistent care. The Garmerain GWT104S takes the inconsistency out of watering: set the schedule once, and it waters the right amount at the right time, every time. Whether you’re tending a backyard lawn, a vegetable plot, or a balcony full of pots, it’s the simple, dependable way to give your plants exactly what they need — and take one more chore off your list.
Garmerain — Returning to the source. For pricing, bulk orders, or customized solutions, contact us or request a quote.