The Genie 40976U.S is a genuine Genie OEM replacement circuit board assembly. OPP Circuit Board Assembly for Genie 2128B and 2129B Wi-Fi belt/chain drive openers with battery backup. Electrical input: 120V AC (transformer input). Compatible with: Genie 2128B, Genie 2129B.
A: The 40976U.S is for the 2128B and 2129B models (with battery backup), while 40976S.S is for the non-B 2128/2129 models without battery backup.
A: Yes, the 40976U.S includes the transformer 39342R.S (120V) as part of the circuit board assembly.
A: Yes, reprogramming of all remotes, keypads, and network settings is required after installation.
A: The 40976U.S is compatible with the Genie 2128B and 2129B openers, which are Wi-Fi connected belt or chain drive models with battery backup.
A: No, this is a direct OEM Genie replacement part specific to the 2128B and 2129B models and is not interchangeable with other series.
