Dometic 9610008177 Small Doored Furnace Essential 18K - DFSDH20111 SP

18,000 BTU; Doored ; Durable Heat Exhanger One Piece tubular heat exchanger; Flexible Fit; More airflow 18-22%; Precision Engineering - Hall Effect Sensor eliminates moving parts for greater durability; Smoother Startups - On-Board Soft Start reduces in rush current by 80% amd jarring start up noise