Duette UltraGlide - Replace PCAs on TDBU

[@StevenRiegert]

Thanks for the great video! I was able to use the walk through to fix an issue with the internal strings. You saved me so much difficulty and cost of dealing with a Hunter Douglas Service Centre! 👍

[@toicsibj]

What does PCA and TDBU stand for?

[@paulswiszcz584]

TDBU Is top down, bottom up