May 13, 2021
Having trouble with you Intermatic DT620 Astronomical Timer?
This page will help you with Intermatic DT620 programming and battery replacement.
Intermatic DT620 Astronomical Timer
Click here to see a video that will show you you how to program it easily.
Also, if your timer has been installed for a long time we recommend you change the batteries. This page shows how to change them.
These batteries are the ones that the DT620 timer uses.
Keep in mind your timer can be removed from the timer so you can pull it straight out and take it inside which will make things easier.
But if you want us to do all of this we’re are happy to help.
The cost is $94 for dispatch fee and $75 for the reprogram/battery change.

Need more information?

Phone: 770-521-2805


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Happy Customers Saying

Kimberly Buckland

Absolute Lighting installed my outdoor flood lights 2 years ago and they are beautiful! They did such a great job that I used them to setup and take down the Christmas lights for the past 2 years. I would highly recommend them. Frank always responds to questions and automatically puts me on the schedule for set up and take down of the Christmas Lights.

Graham Antin

We love Abulous lighting and have been using them for years  They are very responsive and professional and  will come back no questions asked for any follow up work  Good pricing and highly trustworthy  Frank, the owner, is a true  stand up guy.  I recommend without reservation

Allan Conlan

Frank and the team at Abulous were great to work with. They came out and retro-upgraded some previous lighting that we had done a few years back and made it look as seamless and continuous as possible. They also worked with us on the best (& most economical) way to light up a hard to reach area of our yard. They also followed up with us after we had another group of workers "disturb" some of the lighting wires and came back out and fixed everything back up again. Very friendly, dependable local resource who do great work. Highly recommend.

Mike Thomas

After reviewing multiple companies we contracted with Abilous Lighting to create outside accent lighting for our home, backyard patio, walkways, & fire pit.  Their ideas and design were the best!   It was a pleasure working with Frank Hasty, who did  the design, and his crew of Brandon & Rusty who performed the work.  All were excellent to work with.   We are very happy with Abulous Lighting.