ly HZ40E LP SIT 904-593 Orifice a40 NG 9 910-157/P Fan Low Speed (Dual Blower) 911-012 Ignition board 911-013 IPI/CPI Switch Not Shown 60 Regency Horizon TM HZ40E Gas Fireplace EFTA00301479 PARTS LIST ACCESSORIES Pait # 10) 316-907 316-908 11) 256-924 256-926 256-927 256-934 256-936 256-947