SWISCO - The Replacement Hardware Authority

end piece on balancer help

A handy person from brentwood ca says:
I have a 3350de BSI. the length is 34" but i am having a hard time picking between the 390 and the 351 for my window. its a half inch width too.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting. The only difference between these two balances is the depth of the shoe. You will need to measure yours to determine the better match between them.
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)