Transform your hot water experience with a smart timer that optimizes usage and saves energy effortlessly.
A hot water heater timer is an ideal solution for managing your hot water consumption efficiently. The Intermatic WH40 Electric Water Heater Timer is designed to help you save on energy bills while ensuring hot water is available when you need it. The Smart Water Heater Timer is another versatile option, compatible with Alexa, allowing for easy voice control and seamless integration into your smart home.
These timers are perfect for various applications, from residential hot water management to pool heating. The DEWENWILS Pool Timer is a heavy-duty option that supports multiple devices, including pumps and patio lights, making it a fantastic choice for outdoor enthusiasts.
In this full review, you’ll learn about the features, benefits, and installation tips for each product. Get ready to optimize your hot water usage and enjoy the convenience of smart technology!


Intermatic WH40 Water Heater Timer
The Intermatic WH40 Electric Water Heater Timer sets itself apart with its convenient external override switch, allowing users to manually control the timer without disrupting the programmed settings. This feature enhances usability, especially for those with fluctuating hot water needs. Built with a robust steel case, the unit measures 6.5 x 4.5 x 3 inches, ensuring durability and resilience in various environments.
Key Advantages
- The timer supports a capacity of 10,000 watts, 40 amps, and operates at 250 volts and 60Hz, making it suitable for high-demand applications.
- Trippers can be easily set for morning and evening, allowing for efficient hot water usage during peak times.
- Its weather-resistant design makes it ideal for outdoor installations.
Limitations
- Not compatible with tankless water heaters, limiting its application for some users.
- Installation requires basic electrical knowledge, which may be a barrier for some consumers.
Best for homeowners and outdoor enthusiasts needing an efficient way to manage hot water usage, the Intermatic WH40 Electric Water Heater Timer is a reliable choice for enhancing energy efficiency and convenience.
To buy this product, click here.
Smart Water Heater Timer – Alexa Compatible
The Smart Water Heater Timer sets itself apart with its innovative ability to learn your schedule, ensuring hot water is available when you need it most. This device is compatible with electric water heaters and is designed for easy installation, requiring no plumbing. Its compact dimensions make it suitable for various home setups.
Key Advantages
- 316-grade stainless steel construction ensures durability and resists corrosion, extending the product’s lifespan.
Limitations
- Not compatible with gas water heaters or non-storage style models, limiting its market reach.
Ideal for outdoor enthusiasts and homeowners looking to optimize hot water usage, the Smart Water Heater Timer offers smart technology that allows remote control via your smart device. It features metering for hot water availability and tank temperature reporting, ensuring users can monitor their energy consumption effectively. The device also provides maintenance alerts, including leak detection, which is essential for preventing potential damage to your home.
With its energy-saving capabilities, the Smart Water Heater Timer is a practical investment for those seeking to reduce their utility bills while enjoying the convenience of smart home technology.
To buy this product, click here.
DEWENWILS 40-Amp Smart Pool Timer
The adjustable valve sets the DEWENWILS Pool Timer apart from standard smart switches, allowing users to fine-tune their device operations seamlessly. Constructed from 316-grade stainless steel, this timer boasts a robust metal housing that resists corrosion, ensuring longevity in outdoor environments. Measuring 6.5 x 4.5 x 3 inches, it is designed to accommodate a variety of installations.
Key Advantages
- The IP44 waterproofing guarantees reliable performance in wet conditions, while the flame-retardant PC core enhances safety.
- With a capability of supporting 40A 3HP at 240VAC, it is suitable for high-demand applications like pool pumps and electric water heaters.
- The dual operation modes (manual and Z-Wave remote control) provide flexibility, allowing users to operate devices without stepping outdoors.
Limitations
- Not compatible with devices that do not support the Z-Wave protocol, which may limit integration with some smart home systems.
Best for outdoor enthusiasts needing a reliable and powerful solution for managing high-power devices, the DEWENWILS Pool Timer excels in both functionality and durability, making it a top choice for pool maintenance and garden automation.
To buy this product, click here.
DEWENWILS 24-Hour Mechanical Timer Switch
The adjustable valve sets the DEWENWILS 24-Hour Mechanical Timer Switch apart from competitors in the market. Constructed with a rugged NEMA-3R metal enclosure, this timer switch is designed to endure harsh outdoor conditions, with an operational temperature range of -40℉ to 140℉. The switch supports a maximum load of 40A at 240V, making it suitable for heavy-duty applications such as pool pumps, water heaters, and air conditioners.
Key Advantages
- 316-grade stainless steel components ensure superior corrosion resistance, enhancing the product’s durability in outdoor environments.
- The timer features a mechanical dial that allows for **two programmable on/off cycles** within a 24-hour period, automating operations for convenience.
- Installation is simplified with an improved internal layout that eliminates the need for confusing jumper wires, making it accessible even for first-time users.
- Its IP44 waterproof rating and tamper-resistant lockable cover provide extra protection against the elements and unauthorized access.
Limitations
- Not compatible with systems requiring more than 40A, limiting its use for very high-power applications.
- Does not support digital programming, which may be a drawback for users seeking advanced features.
Best for outdoor enthusiasts needing reliable and robust control over heavy-duty appliances, the DEWENWILS Timer Switch offers both functionality and durability for various applications.
To buy this product, click here.
Intermatic Electric Water Heater Timer 208-277V
The Intermatic WH21 Electric Water Heater Timer sets itself apart with its ability to automatically schedule hot water usage, optimizing energy efficiency. This timer operates on a voltage range of 208-277V and supports a capacity of 6,250 watts, making it suitable for various residential and commercial applications. Its compact design allows for easy installation in tight spaces.
Key Advantages
- The single pole/single throw switch design ensures reliable operation, while the 25 amps capacity provides ample power for most water heaters. The timer’s ability to turn water on during high demand and off during low usage periods significantly reduces energy costs. Additionally, the durable construction ensures longevity and reliability.
Limitations
- Not compatible with tankless water heaters, which may limit its use for some consumers looking for a more versatile solution.
Best for homeowners and property managers needing an efficient way to manage hot water availability, the Intermatic WH21 Electric Water Heater Timer is an excellent choice for those looking to reduce energy consumption while maintaining comfort. Its straightforward functionality and robust specifications make it a reliable addition to any water heating system.
To buy this product, click here.
Faq about hot water heater timer:
1: What is a hot water heater timer?
A hot water heater timer is a device that controls the operation of your water heater, allowing it to heat water only during specific times of the day.
2: How does a hot water heater timer work?
The timer connects to the water heater and can be programmed to turn the heater on or off at designated times, optimizing energy use and reducing costs.
3: What are the benefits of using a hot water heater timer?
Using a timer can lower energy bills, extend the lifespan of the water heater, and provide hot water only when needed, enhancing efficiency.
4: Can I install a hot water heater timer myself?
Yes, many homeowners can install a hot water heater timer with basic electrical knowledge, but professional installation is recommended for safety.
5: Are there different types of hot water heater timers?
Yes, there are mechanical, digital, and smart timers, each offering various features such as programmable settings and remote control capabilities.
6: Will a hot water heater timer affect water temperature?
A timer does not affect water temperature directly; it simply controls when the heater operates, ensuring hot water is available during set times.
Conclusion
The Intermatic WH40 Water Heater Timer exemplifies efficiency, offering users a programmable solution that optimizes energy consumption while ensuring hot water availability. Its robust design and user-friendly interface make it a preferred choice for those seeking reliability and convenience.
Conversely, the Smart Water Heater Timer, with its Alexa compatibility, represents a modern innovation in home automation. This device not only enhances energy management but also integrates seamlessly into smart home ecosystems, providing users with unprecedented control and flexibility over their hot water systems.




