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17 March 2018
Exactly what you need to replace the control box/solenoid unit.
1 of 1 found this helpful We've got dozens of these installed in the building I maintain, and sometimes they break down. This is literally everything you need to replace the unit, all you have to do is unhook everything, swap out the box, swap in the battery pack, hook it up and reattach it to the wall.
The only complaint I have with this product is the design of how you attach it to the wall; both mounting holes are on the left side, so there's no left-to-right stability. You can simply drill through the plastic on the right side to secure it, but it seems like there might have been a more stable way to design it from the beginning instead of having to modify each one.