Best Intermatic Wh40 Electric Water Heater Timer in 2025
Updated on July 2025
#1
Recommended
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- 30W power rating for efficient performance
- Specifically designed for water heating applications
- Features a timer for precise temperature control
- Durable construction for long-lasting use
- Compact design for easy installation
- Compatible with various water heating systems
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- 30W power rating for efficient performance
- Specifically designed for water heating applications
- Features a timer for precise temperature control
- Durable construction for long-lasting use
- Compact design for easy installation
- Compatible with various water heating systems
#2
Value for Money
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- Mechanical timer for precise scheduling of water heater operation
- Designed for outdoor and indoor use with a durable housing
- Easy installation with built-in wiring diagrams
- Compatible with various water heater models
- Offers up to 40 amps of controlling capacity
- Simple manual override option for immediate use
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- Mechanical timer for precise scheduling of water heater operation
- Designed for outdoor and indoor use with a durable housing
- Easy installation with built-in wiring diagrams
- Compatible with various water heater models
- Offers up to 40 amps of controlling capacity
- Simple manual override option for immediate use
#3
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- User-friendly operation
- External override switch for convenience
- High capacity: 10,000 watts, 40 amps, 250 volts, 60Hz
- Durable steel casing
- Programmable trippers for morning and evening hot water use
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- User-friendly operation
- External override switch for convenience
- High capacity: 10,000 watts, 40 amps, 250 volts, 60Hz
- Durable steel casing
- Programmable trippers for morning and evening hot water use
#4
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- Indoor electric water heater timer
- Rated for 25 amps
- Operates on 250 volts
- Ivory color finish
- Compatible with indoor use
- Efficient control of water heating
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- Indoor electric water heater timer
- Rated for 25 amps
- Operates on 250 volts
- Ivory color finish
- Compatible with indoor use
- Efficient control of water heating
#5
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- Country of Origin: China
- Package Length: 4 inches
- Package Width: 2 inches
- Package Height: 3 inches
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- Country of Origin: China
- Package Length: 4 inches
- Package Width: 2 inches
- Package Height: 3 inches
#6
8% Off
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- Stable Adaptation: The T101 Electromechanical Timer Switch with Enclosure (Not Fully Waterproof) is a pool pump timer switch suitable for 120V systems and rated for 40A resistive loads. This heavy-duty 24-hour timer features a SPST switch for dual-circuit control. Its mechanical 24-hour dial allows up to 12 ON/OFF cycles per day, with a minimum runtime of 1 hour for precise scheduling. Built with industrial-grade materials, the T101 timer is capable of withstanding extreme temperatures ranging from -40°F to 140°F
- Easy to install: The T101 mechanical light timer is easy to install; the terminals (line, load, neutral, ground) are clearly marked, and the manual has the correct wiring diagram. The timer comes with a separate, externally mounted waterproof enclosure for reliable protection. When pulling out the dial to set the time, you must reposition and fully reinsert it into the gear mechanism for proper operation
- Convenient operation: The T101 pool pump time clock features an intuitive 24-hour dial with 15-minute interval markings, allowing for precise and easy scheduling. A manual override switch lets you take instant control of your equipment without disrupting programmed settings. Each unit includes four ON/OFF switches, supporting up to 12 daily operations for flexible automation
- Widely Applications: The T101 timers 24 hour has a wide range of uses, the timer is perfect for controlling pool pumps, light timer, fan, exhaust fans, water heater, and other devices. The pump timer switch's 40 amp capacity and SPST switch make it suitable for both residential and commercial applications. Whether you're managing a backyard pool or a large irrigation project, the heavy duty mechanical 40A timer provides consistent, reliable performance
- Assured product: Your satisfaction is our top priority and we are committed to making sure your timer runs perfectly for years to come. We have a professional team, you can enjoy 3 years of product service. If you have any questions about t101 24 hour mechanical timer installation and use, please let us answer
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- Stable Adaptation: The T101 Electromechanical Timer Switch with Enclosure (Not Fully Waterproof) is a pool pump timer switch suitable for 120V systems and rated for 40A resistive loads. This heavy-duty 24-hour timer features a SPST switch for dual-circuit control. Its mechanical 24-hour dial allows up to 12 ON/OFF cycles per day, with a minimum runtime of 1 hour for precise scheduling. Built with industrial-grade materials, the T101 timer is capable of withstanding extreme temperatures ranging from -40°F to 140°F
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#7
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- Manage electric water heaters with up to 42 programmable ON/OFF events weekly for optimal control and energy efficiency.
- Schedule water heating with a flexible 7-day programming feature tailored to user needs.
- Enjoy precise programming and timing accuracy, ensuring reliable performance for water heating tasks.
- Utilize the external override switch for immediate manual adjustments to hot water schedules.
- Monitor water heater status easily with the LED load indicator for efficient management.
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- Manage electric water heaters with up to 42 programmable ON/OFF events weekly for optimal control and energy efficiency.
- Schedule water heating with a flexible 7-day programming feature tailored to user needs.
- Enjoy precise programming and timing accuracy, ensuring reliable performance for water heating tasks.
- Utilize the external override switch for immediate manual adjustments to hot water schedules.
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#8
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- Weather-resistant metal enclosure with lockable door for outdoor durability and tamper protection
- Automatically configures for 120-277VAC loads up to 40A, supporting two 120VAC devices with single or dual-load control
- Schedule up to 9 programs weekly, with an override switch for manual control
- Compatible with single-pole and double-pole setups for various applications such as fans, pumps, and HVAC systems
- Secure block terminals ensure reliable wire connections
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- Weather-resistant metal enclosure with lockable door for outdoor durability and tamper protection
- Automatically configures for 120-277VAC loads up to 40A, supporting two 120VAC devices with single or dual-load control
- Schedule up to 9 programs weekly, with an override switch for manual control
- Compatible with single-pole and double-pole setups for various applications such as fans, pumps, and HVAC systems
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#9
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- Time switch suitable for industrial, commercial, and residential use
- Supports HP ratings up to 40 amps, the highest in the market
- Offers 1 to 12 On/Off cycles every 24 hours
- Includes one 'On' and one 'Off' tripper for easy operation
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- Time switch suitable for industrial, commercial, and residential use
- Supports HP ratings up to 40 amps, the highest in the market
- Offers 1 to 12 On/Off cycles every 24 hours
- Includes one 'On' and one 'Off' tripper for easy operation
#10
37% Off
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- Each T101 unit includes an ON tripper and an OFF tripper for comprehensive electrical control functionality.
- Offers direct 24-hour control for various loads, ensuring reliability and precision.
- Includes a manual override switch for flexible control options when needed.
- Supports up to 12 ON/OFF operations daily, with a minimum interval of one hour, for versatile scheduling.
- Designed for industrial, commercial, and residential use, capable of handling loads up to 40 amps with high HP ratings.
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- Each T101 unit includes an ON tripper and an OFF tripper for comprehensive electrical control functionality.
- Offers direct 24-hour control for various loads, ensuring reliability and precision.
- Includes a manual override switch for flexible control options when needed.
- Supports up to 12 ON/OFF operations daily, with a minimum interval of one hour, for versatile scheduling.
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