I have removed the old sash from my windows- see pics above. The only numbers on them are 11600-17 and BF 17 9#27 2/87
And my second window has 11600-17 and BFG (or 6) 10#31 12-86 stamped on it.
I have removed the old sash from my windows- see pics above. The only numbers on them are 11600-17 and BF 17 9#27 2/87
And my second window has 11600-17 and BFG (or 6) 10#31 12-86 stamped on it.