This Series III Dry Contact Adapter has been developed as a solution openers that use Series III technology, making it possible to use common ‘on/off switched’ inputs when required with these garage door openers. This piece goes in between the switch and the NGX wall console input. Examples of such switches include doorbell switches, typical key switches, and aftermarket accessories. If your garage door opener has a wired gray wall console with black buttons, you have an opener with Series III electronics.
Part Number: 38013R