I'm looking for the appropriate window crank and cover for my existing Marvin windows. Crank system says EntryGuard 31538A
Casey from SWISCO responded:
March 5, 2021
Hello,
Take a look and compare the dimensions of our 39-031 and 39-032 Entrygard operators to yours. If it's a match, you'll be able to use our 39-107FK handle and cover kit. Thank you!