Superior - H0594 - Refractory Panel Kit - Used for Lennox Fireplace Models HC-36, HCI-36 RD-36 & RDI-36; Marco Fireplace Models D36CF, D36CFI, D36HC & D36HCI; Superior Fireplace Models HC-36, HCI-36 RD-36 & RDI-36 (Part #'s 792807A, 792808A, 792809A & 792810A AND Catalog #'S 85L38, 93L75, 87L83 & 84L85)