The Genie 27570R.S is an OEM replacement Channel Support for Genie residential garage door openers. It is compatible with Genie C-channel rail garage door openers with 10 ft to 12 ft rail assemblies, Genie openers with C-channel rail style (R suffix models). The channel support mounts at the mid-span of the C-channel rail to reduce flex and vibration on 10 ft to 12 ft rail assemblies. Longer rail spans are prone to sagging and oscillation under repeated cycle loads; the channel support provides a rigid attachment point to the ceiling joist or overhead structure. Note: the 27570T.S Rail Support Kit serves T-rail assemblies on chain and belt drive models; the 27570R.S Channel Support is specific to C-channel rail configurations in the 10 ft to 12 ft extended rail length.
A: The R.S suffix designates the C-channel rail style and service/replacement designation. The T-rail variant for chain and belt drive models is the 27570T.S. Make sure your opener uses a C-channel rail before ordering.
A: This support is rated for C-channel rail assemblies from 10 ft up to 14 ft in length. It is not intended for standard 7 ft or 8 ft rail configurations.
A: Signs include excessive rail flex or bounce during door travel, increased vibration noise, or visible sagging in the middle of the rail span. Adding the channel support reduces these issues.
A: Mount the support bracket to the ceiling or structural framing above the midpoint of the rail. Follow the hardware instructions included with the kit to secure the support to the C-channel rail.
A: The 27570R.S is an OEM Genie part, so it is engineered to match the C-channel rail profile precisely. Third-party supports may not align with the rail geometry and could cause binding or inadequate support.
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