This is a new glass. Glass is 3/16 thick and about 15 1/2 wide x 11 3/8 tall ctr x 9 7/8 rt and left ends and arched on top. Yes it is heat resistant ceramic glass used by quadra fire. Part #7000-012 for 3100, 3100i, 4300 4300i and 4100 stoves. The “I” is for […]