Channel balance parts

Quick Learner

Mar 7, 2017 12:29 pm

I believe I have Rollyson windows 1984 yr.
Channel balance 28 in. Stamped 27-D B.S.I. Window wt. 20 lbs.
Bottom shoe looks like your #15-005 and dims. Match.
Top looks like #19-031 the width on winds is 1 1/16 on old part and 7/8 on new. Height of old is 7/16 and 5/8 on new??
Sash caps are your #18-124P in white do you have black??
I think it's your C.B. #S371-28. 2740
Pictures attached any direction you can give would be appreciated.

Thanks
Jim

User submitted photos of a window balance.

6 Replies

Tom from SWISCO

Mar 15, 2017 9:18 am

Thanks for posting. Our S371-28 balance is the correct replacement for your Rollyson window. When placing your order, select the spring strength option of 2740. I'm afraid the top sash guide 18-124P is no longer available in black.

Quick Learner

Mar 15, 2017 10:03 am

Mike
Thanks for the feed back. On further review your top part 19-037 looks like my part other than wing dim. Mine is 1 1/16 yours is 1 13/32 is it possible the dim. Should read 1 3 /32?? And can I get the cb. With the 19-037 on top?

Tom from SWISCO

Mar 20, 2017 10:03 am

Sure, we could custom make this balance for you. Can you just tell me how many you need?

Quick Learner

Mar 26, 2017 3:16 pm

Mike
Used the S371-28 cb works well except for the last three inches on close and first three on open are very tight after that everything moves smoothly. Any thoughts would be appreciated.

Thanks
Jim

Dave Sr. from SWISCO

Mar 30, 2017 11:35 am

I'm not sure why this would happen. It usually occurs when the spring is too strong, but all the information you gave us points to the 2740 option. What is the weight of the sash your balance supports? Could it be that the original 2740 option was too strong? Also check the length of the metal channel to make sure they match up to the ones in the window. The company that manufactured the window you have went bankrupt, so they might have just used any size balance they had lying around to complete orders. It's an unfortunate but common scenario.