HI, My balance has "30 3 GTC CMC 4" printed on it. It's not convenient for me to weigh the sash. I'm looking at the 30" series 385 channel balance. Can you tell me which spring option to choose?
Thanks, Michael
spring strength
Handy Person from Wa
Jun 8, 2016 1:17 pm
2 Replies
Tom from SWISCO
Jun 9, 2016 1:01 pm
A stamp of 30 3 usually corresponds to our 3030 option. I would double check your length, it should be 31".
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