Congratulations on your new trailer and welcome to the forum.
I don't know the slide mechanism on our 27RLS, but it is working without any problems.
Was there a certain brand you wanted/did not want on your 26RLS?
Sherm & Terry w/rescues Steve (std Poodle) & Eydie (min Schnauzer)
2015 Jay Flight 27RLS (Camped: 102 nights 2015, 90 nights 2016)
2006 Ford F350 6.0 PSD, Lariat, 4WD, CC, LB, SRW, auto., Camper pkg.