Water Timers

If you experience any issues, simply contact our support team.
Support Email: service@dewenwils.com

We’ll work with you to find a quick and fair solution.

Q: How long does shipping take?
A: Orders are typically processed within 1-2 business days.
Delivery times vary by location, but most orders arrive wvithin 3-7 business days.

Q: How much does shipping cost?
A: We offer free shipping on all orders.
No minimum purchase required.

Q: How can I contact customer support?

A: You can reach us anytime via the contact form on this page. Our support team typically responds within 24 hours on business days.
Support Email: service@dewenwils.com

Q: What if there’s an issue with my order or product?

A: If you experience any issues, simply contact our support team. We’ll work with you to find a quick and fair solution.

Q: Are your products covered by a warranty or guarantee?

A: Yes. All our products are backed by a 365-day warranty. If you experience any quality-related issues within this period, our support team will be happy to assist you.

1. What Is A Sprinkler Timer And How Does It Work?
A sprinkler timer is a device that automatically controls your sprinkler system, turning it on and off according to a set schedule. You set a schedule for when and how long to water, and the timer automatically manages the rest. It helps save time and water, while ensuring your plants get the right amount of watering regularly without manual operation.

2. What Is The Difference Between A Sprinkler Timer And An Automatic Irrigation Controller?
A sprinkler timer operates on a fixed, user-programmed schedule (e.g., Mon/Wed/Fri at 6 a.m.). You set the watering times and durations, and the timer automatically follows that schedule, making it ideal for simple, routine watering tasks.

An automatic irrigation controller, on the other hand, dynamically adjusts watering schedules based on real-time data, such as local weather, soil moisture, and plant needs. It provides smarter, more efficient watering by responding to environmental changes.

3. What Is The Water Pressure Range For A Sprinkler Timer?
Most DEWENWILS sprinkler timers work efficiently within a water pressure range of 8-116 psi. This wide range ensures stable performance with household taps, garden hoses, and most outdoor irrigation systems.

4. What Are The Inlet And Outlet Sizes Of A Sprinkler Timer?
The standard inlet and outlet sizes for DEWENWILS sprinkler timers are 3/4". This size is widely compatible with most garden hoses and standard outdoor irrigation systems, ensuring easy installation and seamless integration with typical water connections.

5. What Is The Operating Temperature Range Of A Sprinkler Timer?
DEWENWILS sprinkler timers operate effectively within a temperature range of 1°C to 50°C (34°F to 122°F).

6. What Materials Are Sprinkler Timers Made Of?
DEWENWILS sprinkler timers are made of high-quality ABS plastic for the main body, which resists sunlight and is waterproof. They also feature a pure zinc integrated tap connector, effectively preventing water leakage during use.

7. What Type Of Batteries Does A Sprinkler Timer Use, How Long Do They Last, And Are They Replaceable?
DEWENWILS sprinkler timers are powered by 2 AA batteries (not included). Under normal usage, the batteries typically last between 6 to 12 months, and they are fully replaceable by the user for easy maintenance.

8. Does A Sprinkler Timer Keep Time During A Power Outage?
Yes, DEWENWILS sprinkler timers retain all programmed time and watering settings during a power outage or battery replacement. No reprogramming is needed after power is restored.

9. How Do I Set The Start Time, Watering Duration, And Frequency On A Sprinkler Timer?
Follow these simple steps to program your sprinkler timer:
- Set the current time: Use the arrow keys to select DATE/TIME, then adjust the day and time.
- Set the start time: Enter the start time mode, select the desired start time for watering, and set multiple independent start times if needed.
- Set the watering duration: Adjust the watering duration (usually between 1 minute and several hours) to suit your plants' needs.
- Set the watering frequency: Select specific days of the week or set regular intervals.
- Save the settings: After making adjustments, save the settings. The timer will automatically follow the programmed schedule.
For detailed operation, refer to the on-screen prompts on your timer.

10. How Does The Rain Delay Function Work And Does It Affect My Watering Schedule?
The rain delay function temporarily pauses your watering schedule to avoid overwatering during rainy weather. Once the delay period ends, the timer automatically resumes your original program with no changes to your saved settings.

11. How Do I Switch Between 12-Hour And 24-Hour Time Format On A Sprinkler Timer?
With the timer in OFF mode, press and hold the button for 10 seconds to switch between 12-hour (AM/PM) and 24-hour format. The 12-hour mode displays AM/PM, while the 24-hour mode does not.

12. Why Won’t My Sprinkler Timer Turn On?
1. Ensure the water pressure is within the 30–120 psi range.
2. Use alkaline batteries and make sure the battery level is above 40%.
If the issue persists, switch to Manual mode and set the watering duration for each zone to check if the zones activate correctly.

13. Why Won’t My Sprinkler Timer Turn Off?
1. Ensure the water pressure is within the 30–120 psi range.
2. If the faucet pressure is too high during initial use, trapped air inside the unit may not discharge completely.
- Switch to Manual mode to open all the outlets.
- Lower the faucet pressure slightly, then gradually increase it after a short period.
3. Ensure the alkaline battery level is above 40%.
If the issue persists, switch to OFF mode and check if the zones stop running.

14. How Should I Maintain And Protect My Sprinkler Timer During Winter Or Extreme Weather?
Before winter or freezing weather arrives, disconnect the timer from the faucet, and drain any remaining water inside to prevent freezing damage. If the timer will not be used for an extended period, remove the batteries and store the unit in a dry place.

15. Precautions for Using a Sprinkler Timer
- Do not use for industrial purposes or in conjunction with chemicals, foodstuffs and explosive materials.
- Only use clear fresh water.
- Do not pull the hose connected to the water timer.
- Children are not allowed to use the water timer without supervision.
- When expecting freezing temperatures, remove the timer from the hose faucet and store it indoors to avoid potential freeze damage.
- Do not disassemble or repair the product by yourself; only authorized service personnel may do so.