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Product Specifications
Part Number EH40
Wattage7200 watts
Item Package Quantity1
Product Features
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Product Description
From the Manufacturer
These time switches provide automatic control for electric water heaters. They provide to-the-minute accuracy in programming and time keeping. The time switches can be programmed for repeat daily scheduling, 5-day working week scheduling, weekend scheduling or any individual day scheduling. Timers can be scheduled for operation during the lowest time-of-day rates or to switch off the electric heater during period of utilities peak power usage. The time switches can be set to operate for up to 6 ON/OFF operations daily for a maximum of 42 ON/OFF operations weekly. Both models provide a convenient external override switch and LED load indicator for ease in scheduling hot water as required for extra hot water demands. The timers include a "AA" alkaline battery carryover which protects both time keeping and program information for a minimum of 3 years.
Product Description
Intermatic EH40 Energy Controls - Electronic Time Switches - Water Heater
Product Details
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Customer Reviews
Most Helpful Customer Reviews
34 of 35 people found the following review helpful
Amazon Verified Purchase
Ever take one of those energy self-audits? Mine had high marks for the easy things- insulation, updated windows, weather stripping, etc. But my water heater- I cannot install the 'tankless', because I have no chimney. It has always been electric, but keeping 55 gallons hot all 24 hours is not efficient. So I ordered the Intermatic, and once installed outside the breaker panel, found it to be as easy to operate as a setback thermostat.
You can set it to heat up prior to morning showers, then (on weekdays) turn the power off, and heat up again in time for evening meals, cleaning, etc. Weekends can be an entirely different schedule. There is even a 'shutoff' feature to bypass the schedule while you take vacation. Instructions are clear, and programmed from the front.
I feel this is saving money (and more still when we get Time-of-Day pricing).
You can set it to heat up prior to morning showers, then (on weekdays) turn the power off, and heat up again in time for evening meals, cleaning, etc. Weekends can be an entirely different schedule. There is even a 'shutoff' feature to bypass the schedule while you take vacation. Instructions are clear, and programmed from the front.
I feel this is saving money (and more still when we get Time-of-Day pricing).
18 of 19 people found the following review helpful
Amazon Verified Purchase
Easy to install.
Has timer settings for each day or the 5 day week with separate weekend settings which are what I use.
Can have several on/off setting on each of the days.
I set mine to turn off when I go to work and turn on when I get back so I can shower then turn off before I go to bed and come on just before I get up.
The water does not cool much while it is off since I do not use it then. When it does turn on it does not take much time to get the water back to the right temp.
There is also a manual on/off button just in case.
Has timer settings for each day or the 5 day week with separate weekend settings which are what I use.
Can have several on/off setting on each of the days.
I set mine to turn off when I go to work and turn on when I get back so I can shower then turn off before I go to bed and come on just before I get up.
The water does not cool much while it is off since I do not use it then. When it does turn on it does not take much time to get the water back to the right temp.
There is also a manual on/off button just in case.
13 of 13 people found the following review helpful
Bought this model of timer about 3 years ago. It has failed. It is easy to install and use but the main power relay coil has failed and I can't repair it so I must order another one.
Most Recent Customer Reviews
Died after 3 years
Has light that says it's on -- but light is not connected to output. No voltage at outlet and strange smell implies burnt parts inside. Read more
Published 1 day ago by Joe
Water Heater Timer
Bought this water heater timer and installed it and I'm already saving at least 20 bucks after first month of use. So this unit definitely pays for itself after a few months. Read more
Published 3 days ago by Po Tsen
Hot Water Timer
Works just the way I needed it to. It should save money on electricity bills. We have two hot water heats so I did both.
Published 5 days ago by Kenny Watts
So Far So Good, But Installation Instructions Could Be Better
So far (about 1 month in), this timer is working great and is everything I had hoped for. The installation instructions could have been a lot clearer, though, as they are a little... Read more
Published 1 month ago by JMC
doesn't work... electrician says bad unit... and where's Seller ?
product came as promised on time.... it took me a while to obtain an electrician and now that he's come over to put the timer in it doesn't work... Read more
Published 1 month ago by AL
Lasted only 18 months
I was a satisfied customer till it stopped working after 18 months. I am taking my chances and ordering a new one.
Published 2 months ago by M. Clayton
Excellent EH40 Times
Great! Easy to install and does the job! Waiting to see how much this saves in conjunction with my new Energy Smart Water Heater. The big question ... Read more
Published 2 months ago by jackz
I love it. My wife hates it
Some what techical install, you have to know the difference between line and load to install. I love it, works well, easy to program. Read more
Published 2 months ago by Keith
EASY to use
This is a great product. It is very easy to install and program. Works great and once set it saves energy with no attention at all.
Published 3 months ago by D. Naysmith
Better than the mechanical option
I started with a mechanical timer which did not offer any "programming" of course. It was less expensive, but in just a couple of months the mechanism stopped working. Read more
Published 4 months ago by Smack
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