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S751-27 27" Series 751 Channel Balance

I tried to drill and reattach the pulley to the spring but despite using hardened steel it just bent and disconnected during install. I am looking for 2 of these units.

It appears that I need a Series 751 balancer. The stamping on the current balancer is "BSI 26HB JK". I'm curious what the HB means? I will take a closer look when I get home this evening.

Aloha, I am replacing the channel balances on wood sashes for a client. It is 27". It appears that the 750 is the ticket. But the pieces I have from the window have the knife lock on the end. The picture for this shows the channel balance shoe. Can I order them with the knife lock. Also do I need to ... (cont.)

What type of balance do I need for these windows? My track shows a stamp of 26HD. And do I need any other parts?

I would need two balances. The balance is 27 inches long.

Hello, I have a double hung wind where the outside balancers have had the pulley to spring interface break. I originally looked up and ordered 770 x 27" based on the fact that the channel is not ribbed. Now I see that the balancers I have are 751 but not ribbed. Channels I have: Markings ... (cont.)

I have double-hung windows. I'd like to replace the side channels. The side channels have channel balances (27"-30#) and the channel shoes are the 15-014. Are replacement side channels available? I didn't see them on the website

Hello, I have a number of channel balances that matche your (27" Series 751 Channel Balance Product Code: S751-27)however my stamp says "K26XHL" for the bottom sash balance and "K26XHS" for the top balance. Which one of yours should we use? We also have quite a few of the same balances that a ... (cont.)

I have a customer that has wood double hung tilt sash, with jamb liners. the windows will not stay up. You unlock them the top sash slides down, lift up bottom sash it will slide down. Series 751 Chanel balances are ribbed with 15-014, shoe attached. Tan Window size is 34 x 58. Sash size is t ... (cont.)