Best water heater timer – Top 8 of 2020

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We looked at thousands reviews, and put together a list of the most popular sellers. Check out the top water heater timer below.


No. 1
Intermatic WH40 Electric Water Heater Timer, Gray, 7.75 x 5 x 3 inches
1,079 Reviews
Intermatic WH40 Electric Water Heater Timer, Gray, 7.75 x 5 x 3 inches
  • Easy to use
  • Convenient external override switch
  • 10,000 watts, 40 amps, 250 volts, 60Hz capacity
  • Steel case for durability
  • Trippers can be set in the morning and evening when you need and use hot water
No. 2
GE Heavy-Duty Mechanical Box Timer Switch, Metal, Tamper Resistant, Voltage, 120, 240, 277, NEMA 3R-Rated, Indoor, Ideal...
220 Reviews
GE Heavy-Duty Mechanical Box Timer Switch, Metal, Tamper Resistant, Voltage, 120, 240, 277, NEMA 3R-Rated, Indoor, Ideal...
  • Heavy-Duty Mechanical Timer – The rain and rust-proof metal constructions is designed to withstand any weather forecast and is lockable,...
  • Universal Voltage – Auto-sensing 120 VAC, 240 VAC and 277 VAX compatibility adapts to required power to support a variety of equipment
  • 24-Hour Cycle – The 30-minute interval pushpins accommodate several daily settings, allowing you to personalize multiple daily settings
  • Variety and Convenience – This timer is compatible with single-pole single-throw and double-pole single-throw switches, block terminals...
  • Ideal Use – Perfect for pool pumps, water heaters, outdoor lights, fans, AC units and other heavy-duty appliances; this indoor/outdoor box...
No. 3
GE 24-Hour Indoor Heavy Duty Mechanical Water Heater Timer Switch - 240 VAC - NEMA 1-Rated Metal Enclosure 40 Amp,...
  • Ideal Use - Ideal for water heaters, fans, pumps, air conditioning, blowers, lighting, heating, ventilation systems and other heavy-duty...
  • Ratings - 240 VAC (208-277 VAC) for up to 5 HP Applications – cUL Listed
  • Metal Enclosure - Heavy-duty metal enclosure is lockable, tamper resistant and NEMA 1-Rated
  • Installation - Double-pole, single-throw design – ½ inch and ¾ inch knockouts – Recommended installation by a licensed electrician.
  • Water Heater - For indoor use - only in the United States, Canada and Mexico
No. 5
Tork NSI WH2B Mechanical Water Heater Time Switch, 24-Hour, 208/250V, 40A, DPST
8 Reviews
Tork NSI WH2B Mechanical Water Heater Time Switch, 24-Hour, 208/250V, 40A, DPST
  • Country of Origin: CHINA
  • The Package Length of the product is 4 inches
  • The Package Width of the product is 2 inches
  • The Package Height of the product is 3 inches
No. 6
GE 15146 24-Hour Mechanical Time Switch, 240V, 5HP
45 Reviews
GE 15146 24-Hour Mechanical Time Switch, 240V, 5HP
  • Mechanical Switch Box Timer
  • 240V, 48 Hour Programable
  • Indoor
  • Double-Pole; Single-Throw
  • 2 On/Off Setting Pins included
No. 7
DEWENWILS Outdoor Smart Wi-Fi Outlet Box, Heavy Duty 40A 120-277 VAC 2HP Wireless Controller Timer Switch for Pool Water...
78 Reviews
DEWENWILS Outdoor Smart Wi-Fi Outlet Box, Heavy Duty 40A 120-277 VAC 2HP Wireless Controller Timer Switch for Pool Water...
  • HIGH POWER LOAD- Max 40 Amp 120-277VAC 2HP load, ideal for outdoor/indoor heavy duty applications like water heaters,pool...
  • REMOTE & VOICE CONTROL-Control connected electrical devices by your smart phone from anywhere or by your voice commends(compatible with...
  • OUTDOOR RATED- Metal cover and waterproof pad design,prevent rainwater from flowing into the junction box along the aperture, free yourself...
  • EASY TO INSTALL&SET - Wi-Fi enabled to use your existing wireless router with no setup, or monthly charges, illustrated instruction help you...
  • WARM AFTER-SALES SERVICE- One year warranty provided,if you face any technical issue, please feel free to contact us to get professional...
No. 8
DEWENWILS Outdoor Digital Water Heater Timer Box for Pool Pump, Waterproof Heavy Duty 40A 120-277 VAC 2HP 7 Day...
  • HIGH POWER LOAD- Max 40 Amp 120-277 VAC 2HP load, multi-volt operation from 120-277 VAC, ideal for outdoor/indoor heavy duty applications...
  • OUTDOOR RATED- Metal cover and waterproof pad design,prevent rainwater from flowing into the junction box along the aperture, and the...
  • 5 MODES & MULTI- SETTINGS -Up to 7 on/off settings, always on/off random,DST, modes to schedule your connected devices,the MODE button could...
  • MORE ACCURATE- The settings are weekly repeat, run the devices in the minimum unit of minute and never miss the schedule; built in backup...
  • WARM AFTER-SALES SERVICE- One year warranty provided,if you face any technical issue or program difficulty, please feel free to contact us...