Identifying channel balances before ordering

A quick learner from Oklahoma City OK says:

September 28, 2015

I want to make sure I'm ordering the correct channel balances based on the photos attached. The channel lengths below are the actual length of the metal channel (not including the plastic end pieces). I will be needing:
17" channel (16 B stamped code) - 18H x 22W window
17" channel (16 C stamped code) - 18H x 34W window
29" channel (28 C stamped code) - 30H x 34W window
29" channel (28 B stamped code) - 30H x 22W window

thank you for assisting - Mike

User submitted photos of a window balance.

Paul from SWISCO responded:

September 29, 2015

Thanks for posting. Looking at your nylon caps, I would recommend our Series 390 channel balance. Just make sure the nylon caps are the same size. Specifically, I recommend the following:

-16 B: S390-17 with 1620 option
-16 C: S390-17 with 1630 option
-28 C: S390-29 with 2830 option
-28 B: S390-29 with 2820 option

17" Series 390 Channel Balance

S390-17

$9.34

29" Series 390 Channel Balance

S390-29

$11.10

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