PATIO DOOR ROLLER
A distributor from Grand Rapids, MI says:
June 22, 2016
I am looking for a replacement roller assembly. The current assembly looks like the original and the glass on the patio door is marked "Guardian ANSI 297.1-1984 SGCC 933 1/8U". Please let me know if you can find a replacement with this information.
Donna from SWISCO responded:
June 23, 2016
Thanks for posting. Please see our 81-027. I believe this is a good match for you. Let me know if you agree.