2026 Grand Design Seronova 150HL, Sleeps 2 Slides 1 Length 19 ft 2 in Ext Width 7 ft Ext Height 8 ft 10 in Int Height 6 ft 5 in Hitch Weight 865 lbs GVWR 5400 lbs Dry Weight 4650 lbs Fresh Water Capacity 39 gals Grey Water Capacity 30 gals Black Water Capacity 30 gals Tire Size ST225/75R15LRE Furnace BTU 20000 btu Available Beds RV Queen Flip Bed Refrigerator Type 12V French Door Refrigerator Size 8 cu ft Cooktop Burners 1 Shower Size 24" x 32" Number of Awnings 1 LP Tank Capacity 40 lbs. Water Heater Type Tankless AC BTU 13500 btu Awning Info 11' Power Armless Cassette w/Integrated LED Light Axle Count 1 Number of LP Tanks 2 Shower Type Standard Electrical Service 50 amp