Double spring window balancer
A handy person from Ft myers Florida says:
March 8, 2016
Looking for replacement balances for a 53wide by 62 high single hung window. Balancer has markings 29HP 48-50 L2W CMC
Paul from SWISCO responded:
March 9, 2016
Thanks for contacting us. Is there any way we can see some pictures of your balance? This will likely have to be custom made and I want to be sure we get you the proper replacement. Thanks!