FireplaceXtrordinair 564 SS (Space Saver) User Manual | Page 3 / 36 | Original mode | Also for: 21 TRV (Bed & Breakfast), 36 DV-XL (Direct Vent Extra Large), 864 TRV (Top/Rear Vent), 44 DV-XXL, 864 HH (Home Heater)