Both of the previous are great ideas. Also consider, if it is an older valve, that the main does not close completely, for a variety of possible reasons. We see that alot in older homes. You can confi ... read more
Hello Linda,
Yep, looks like the seal has failed on your 1/2 circle top window, as well as the grids having collapsed. Easiest and most cost effective way for you handle this is to find a glass repla ... read more