There are several advantages of having a intermatic astronomical timer switch. Let’s take you step by step, type by type, and find the best intermatic astronomicaltimer switch for you.

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Our Top Picks:

Best Overall: Buy: Intermatic Electrical Box READ REVIEW

Works With Led: Buy: Intermatic Existing Switch READ REVIEW

Best For Energy Saving: Buy: Intermatic Light Switch READ REVIEW

Best For Heater: Buy: Intermatic Timer Box READ REVIEW

Best For Keeping Timer Settings With Intermittent Power Outages: Buy: Intermatic Selector Switch READ REVIEW

Best For Motor Control: Buy: Intermatic Tan Box READ REVIEW

Best For Supply Voltage: Buy: Intermatic Astronomical Timer Switch READ REVIEW

Best For Single Pole: Buy: Intermatic Basic Mechanical Time Switch READ REVIEW

Best With Electronic Ballasts: Buy: Intermatic Old Work Box READ REVIEW

Best For Lamp: Buy: Intermatic Astronomical Timer Switch READ REVIEW

Best Overall: Intermatic Electrical Box

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The Intermatic Electrical Box is long-lasting, rigid and fits well with your daily use like a dream. The intermatic electrical box reads the instructions, is reliable and it is great for easy setup. Make sure this fits by entering your model number. And, the switch is super easy, is made for good value, It is great for cfls and has a great design.

The switch works great, it is very happy and has a good design. Most importantly, the intermatic electrical box has bought several at lowes, It reads the manual and has a compact design.

Most customers quickly discovered that the switch is programed to turn on at sunset and turn off at sunrise. Also, they strongly agree that the switch has been in sync ever since. Moreover, they also found that the switch does use one of those funky size batteries. In conclusion, most customers find the switch is functionally comfortable and no one questions it.

• This has worked perfectly and has kept up with the change in sunrise/sunset times.
• This is easy to replace and it has several.
• This electronic switch and its electromagnetic relay have been performing for over a decade.
• Up to 40 on/off settings per week.

Works With Led: Intermatic Existing Switch

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate switch. The product is exactly that - it's a simple product that hits all the right notes. The Intermatic Existing Switch goes to YouTube to read the instructions, It is made for easy programming and has an intuitive design. Please refer to the user manual before using. Further, the switch is inexpensive, making for a great little timer, It is very happy and has a great design.

Above all, the intermatic existing switch allows for very good value and it is very nice.

Almost all customers agree that the switch allows any imaginable on/off progamming scheme. And, a few strongly agree that the switch is in their unheated garage in Chicago, and it has been working for them. Moreover, they also found that the switch can be set if you want too.

• This is great for outside lights, including CF bulbs.
• This fits and works fine in modern blue plastic boxes.
• This works well based on an older model.
• This is a great alternative to photo (dusk to dawn) switches.

Best For Energy Saving: Intermatic Light Switch

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate switch. The product is exactly that - it's a simple product that hits all the right notes. The Intermatic Light Switch is perfect for use with entryway lighting, deck light controls, landscape light controls, attic fans, pumps, hallway lighting and more. . And, the switch works fantastically, is young, it is ideal for the front door and has a great design.

The switch works well. is made for home depot, It is constructed with great instructions and has a simple design. Further, it is economical, it works with leds and has a reliable design. Finally, the intermatic light switch is overly complicated, It is great for small print and has a compact design.

Most buyers opine that the switch maintains its back up charge when connected to electric power. And, they say that the switch has sunrise/ sunset built in. And, a few say that this switch has been operational for a couple of months and it is great. So, customers were very happy to recommend it to friends and would-be buyers.

• This is a great no - brainer timer.
• This is not compatible with led or mercury (cfl) bulbs.
• Random mode varies on/off schedule to provide a "lived-in" appearance.
• This has a white neutral wire that must be connected.

Best For Heater: Intermatic Timer Box

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The Intermatic Timer Box should be able to handle its purpose and duties with ease. The intermatic timer box is made for good value, is great for a fair price and it is designed for a great price. . Also, the switch is perfect for use with indoor/outdoor lighting, signs, filters, electric fences, fans, conveyors, pool heaters, blowers, pumps and more.

Most importantly, the intermatic timer box is easy to read and it is made for quick delivery.

Almost all buyers quickly discovered that the switch would work, The t103 is made to be indoors only because there is no seal on the door for moisture. Further, they strongly agree that the switch is only a 120 volt feed to timer, but it will control two lines or two items. Moreover, a few also found that this will divide the current so the switch should last many years. To sum up, for most buyers, the switch was what they were looking for.

• This will work up to a 40 amp load.
• This can have up to 40 amps total for the two circuits or two loads.
• This can be used on 120 shorts enough that it nearly burned the house down.
• This comes with a rubber seal.

Best For Keeping Timer Settings With Intermittent Power Outages: Intermatic Selector Switch

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If you are currently in the market searching for a reliable switch for your regular usage, this product is the best decision. The Intermatic Selector Switch is perfect for use with interior lighting, exterior lighting and electric pumps. selector switch to determine the input voltage between 120. These timers will allow for up-to-the-minute programming, battery backup for power loss, up to 28 events in total, and automatic daylight saving time corrections without the need for user interaction.

The switch works great, comes with pretty straight - forward instructions and it is straight - forward. Finally, the intermatic selector switch is very helpful and it works as expected.

Most buyers opine that the switch is necessary to provide a jumper between the line and clock power. Moreover, they say that the switch is great for keeping timer settings with intermittent power outages. In addition, they strongly agree that the switch has a great customer service center. In conclusion, at the price, they believe that they got a steal of a deal with it.

• This is perfect for a pool pump.
• The 240 vac load should switch both 240 volt phases, thus only one circuit.
• This time the switch is pre set for 120v.
• This comes with excellent customer service and it has set points.

Best For Motor Control: Intermatic Tan Box

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The Intermatic Tan Box is capable of outshining several other products featured in this list in overall features for the price point. The intermatic tan box is used for simple installation and it works very well. selector switch to determine the input voltage between 120. And, this has set points, can trust for good quality and it works with a very simple setup.

The switch is reliable, makes for a great replacement and it is built with great quality. In addition, it keeps accurate time, is professional and straight - forward. Finally, the intermatic tan box is very helpful and it is highly recommend.

Almost all customers opine that the switch is nice to have exact times to program using. Further, they strongly agree that the switch takes the place of a mechanical intermatic. Moreover, they also found that the 240 vac load should switch both 240 volt phases, thus only one circuit.

• This is easy to wire up and the operation is intuitive.
• Temporary override or permanent manual override.
• These features save electricity by having it turned off and on often.
• This will work for a hot water heater, however, it might be overkill.

Best For Supply Voltage: Intermatic Astronomical Timer Switch

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For a low asking price, Intermatic Astronomical Timer Switch has managed to overwhelm their customers by packing as many features as they could. The intermatic astronomicaltimer switch is great for outdoor lights, it is accurate and has a toggle style. . Also, the switch is designed for low maintenance, is reliable, it reads the instructions and has a reliable design.

The switch is durable, it works well with time clock and has a good design. Finally, the intermaticastronomical timer switch works great, is great for easy use. It works fantastic and has a simple design.

Most buyers found that the switch was designed for turning the lights of the parking lot on and off. Moreover, they strongly agree that the switch is rated nema 1, which means it is for indoor use only. In addition, they also found that the switch offers a timer designed specifically for 2-speed pump control, with the necessary safety interlock to prevent energizing both windings simultaneously. To sum up, the tone of buyers is very positive and we believe that the switch suits the purpose.

• These features like knowing when sunrise/sunset occurs and having different power options.
• Multi-volt operation from 120-277 vac, 50/60 hz.
• This set the timer, is overly complicated and it has light sensors.
• Automatically switches loads according to a preset weekly schedule.

Best For Single Pole: Intermatic Basic Mechanical Time Switch

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate switch. The product is exactly that - it's a simple product that hits all the right notes. The Intermatic Basic Mechanical Time Switch is good for low maintenance, works as advertised, It works beautifully and has an intuitive design. 277v 30a spst 7-day digital timer automatically switches your loads based upon your preset weekly schedule with to-the-minute accuracy. These timers will allow for up-to-the-minute programming, battery backup for power loss, up to 28 events in total, and automatic daylight saving time corrections without the need for user interaction.

Above all, the intermatic basic mechanical time switch is great for outdoor lights, makes for great replacement, It is flexible and has a toggle style.

Most buyers agree that the switch design is almost identical, plus it is the third example in the instructions. In addition, they strongly agree that the switch makes daily adjustments to turn on/off right when it needs to. be. Also, they also found that the switch can be a little confusing, but the intermatic help line is excellent. Overall, for almost all customers, it was just what they wanted.

• This is the primary reason people use photoelectric switches instead of timers.
• These are trying to fit a complex diagram in a small space and it shows.
• This provides complete flexibility for jobs where load switching differs each day of the week.
• This is used to have a mechanical timer for the parking lot lights.

Best With Electronic Ballasts: Intermatic Old Work Box

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The Intermatic Old Work Box is capable of outshining several other products featured in this list in overall features in its price range. The intermatic old work box is an lcd digital clock and readout, battery backup and manual override feature. Never bother with resetting again, unless you want to. These highly versatile heavy-duty timers are ideal for any application that requires a simple or complex on/off schedule, regardless of load.

Lastly, the intermatic old work box works as advertised, is for small print, it lasts forever and has a nice design.

Most customers quickly discovered that the switch works well and is easy to install and program, with easy-to-follow instructions. And, they also found that the switch does not require a neutral connection. Further, a few also found that these timers have a built-in non-replaceable rechargeable backup battery that is kept charged by the switch electronics. In short, the tone of buyers is very positive and we believe that the switch suits the purpose.

• It is great to come home after dark to a well light driveway.
• This can even handle 2 hp motors.
• This comes on, is accurate, it is user-friendly and has a modern design.
• This timer has a real relay with contacts controlling the lamp.

Best For Lamp: Intermatic Astronomical Timer Switch

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The Intermatic Astronomical Timer Switch is capable of outshining several other products featured in this list in overall features in its price range. The intermaticastronomical timerswitch is affordable and it is industrial. . Further, the switch has a load capacity, It is great for outdoor lights and works as designed. Finally, the intermatic astronomical timerswitch works beautifully and it makes for a great replacement.

Most buyers agree that the switch is easy to get tech support for advice. Also, they say that the switch is easy to use, energy savings and reliability. In conclusion, many have used the switch for more than a few months without any complaints, and it shows no sign of giving up.

• New and hot releases.
• Lot of satisfied buyers.