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Product Specifications
Part Number EI400WC
ColorWhite
Item Package Quantity1
Product Features
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Product Description
From the Manufacturer
The EI400WC Countdown Timer is an easy to installation and absolutely silent timer for energy savings, security, and convenience. Maximum time ON/OFF is 23 hours, 59 minutes. Minimum On/OFF time is 1 minute. Provides up to three years of time keeping. User program selection is stored in non-volatile memory. A field selectable warning feature provides an audible and/or visual signal that the load is about to switch OFF. Functions to control all voltages 120-277 VAC up to 20 Amps. Provides "true" 3-way control. Applications include indoor lighting, outdoor lighting, HID lighting, whole house fans, bathroom fans, fountain pumps., etc. White color.
Product Description
The EI400 series effectively replaces 16 different spring-wound models, freeing up additional shelf space, providing more specification flexibility, ease of installation and absolutely silent operation. A factory supplied CR2 lithium battery provides up t
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Customer Reviews
Most Helpful Customer Reviews
8 of 10 people found the following review helpful
This is a BATTERY operated product although you could never figure this out from Intermatics irresponsibly incomplete product specifications. It requires a CR2 3Volt Lithium battery which you will have to replace after (in my case less than 1 year). The battery operates the loud mechanical relay in the switch so the more time the switch is ON the faster the battery will be depleted. I my area (Boston) this $5 battery is not a stocked item at either CVS or Radio Shack. The Intermatic product info leaves you with the impression that the battery might last up to 3 yrs but neglects to say this would be only if the switch was not actuated much. So if you your idea of a wall switch is something that needs at least yearly maintenance with a difficult to find expensive battery, then this is the product for you.
As if this was not bad enough, the product turns on or off only after a 1 second delay and with a disconcertingly load relay click that sounds like you have just turned on industrial machinery. If the sound does not irritate your wife then the delay probably will.
Worst of all is when the battery runs out the switch does not operate and you can't turn on the lights until you replace it.
As if this was not bad enough, the product turns on or off only after a 1 second delay and with a disconcertingly load relay click that sounds like you have just turned on industrial machinery. If the sound does not irritate your wife then the delay probably will.
Worst of all is when the battery runs out the switch does not operate and you can't turn on the lights until you replace it.
Amazon Verified Purchase
Great design? No. But it gets the job done.
We got a whole house fan last summer and it came with this awful switch: Westek TMSW12HS Hardwire Indoor In-Wall 12 Hour Mechanical Countdown Timer with Wallplate, Stainless. It was garbage and died shortly after installation. After that I wanted to go electronic and settled on this model since it was rated high enough for our whole house fan (based on the specs I found on the motor itself). I was surprised by how few options there are out there that were rated for the proper load on a basic whole house fan. We've had it in use for almost a year now and have been pleased.
The front panel is a plastic cover on a hinge. When you press it, it depresses the small on/off button behind it for whatever default amount of time you've assigned. If you want less time you can hold down the button and reduce the time like you would on an alarm clock (goes slow at first, then faster). It's really easy to go too far, which means you have to start over (double tap the plastic door to reset the timer) or open the door and use the +/- buttons. If you want it to just stay on without turning off, you can open the plastic door and hit the pause button. To the engineers who designed it: it just didn't need to be that hard.
The plastic door only stays closed because of two plastic tabs that click into place. I'm sure with enough use it won't "latch" anymore and will just hang open. As to the battery problem noted by the other reviewer, I haven't encountered that problem yet but have no reason to doubt it. I'm sure I'll have to wrestle with that issue shortly.
Bottom line is that it has its warts, but it was the best option going.
We got a whole house fan last summer and it came with this awful switch: Westek TMSW12HS Hardwire Indoor In-Wall 12 Hour Mechanical Countdown Timer with Wallplate, Stainless. It was garbage and died shortly after installation. After that I wanted to go electronic and settled on this model since it was rated high enough for our whole house fan (based on the specs I found on the motor itself). I was surprised by how few options there are out there that were rated for the proper load on a basic whole house fan. We've had it in use for almost a year now and have been pleased.
The front panel is a plastic cover on a hinge. When you press it, it depresses the small on/off button behind it for whatever default amount of time you've assigned. If you want less time you can hold down the button and reduce the time like you would on an alarm clock (goes slow at first, then faster). It's really easy to go too far, which means you have to start over (double tap the plastic door to reset the timer) or open the door and use the +/- buttons. If you want it to just stay on without turning off, you can open the plastic door and hit the pause button. To the engineers who designed it: it just didn't need to be that hard.
The plastic door only stays closed because of two plastic tabs that click into place. I'm sure with enough use it won't "latch" anymore and will just hang open. As to the battery problem noted by the other reviewer, I haven't encountered that problem yet but have no reason to doubt it. I'm sure I'll have to wrestle with that issue shortly.
Bottom line is that it has its warts, but it was the best option going.
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