3022-TKH ChainMax® 1000 - Chain Drive Model ¾ HPc Garage Door Opener
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Is this a Series II or Series III opener?
The 3022-TKH ChainMax 1000 is a series II garage door opener.
Do I have to purchase a backup Battery to have this unit running
No, you do not have to use a battery backup. This will plug into the electric outlet.
Will this unit work with an 8 ft. door?
It will with the added extension kit, model EKCC.
Will this unit work with homelink on a 2004 car?
Yes, it will!