Add dependable supplemental heat to your RV with the Dometic Ceramic PTC Heater Kit, designed for compatible Penguin II electronic rooftop air conditioners (models 641835 and 641815) in ducted applications. This integrated electric heating accessory delivers up to 5, 000 BTU of heat to help keep your RV comfortable during cool-weather camping without relying entirely on the furnace. Powered by campground shore power, it helps reduce propane consumption and limits furnace cycling, making it an efficient upgrade for compatible Penguin II electronic air conditioning systems. Features:• Delivers supplemental electric heat for added comfort• Reduces reliance on the RV furnace in cool weather• Operates using available campground shore power• Engineered for compatible Penguin II electronic rooftop AC units• Designed for ducted RV air conditioning applicationsSpecs:• Brand: Dometic• Product type: Ceramic PTC heater kit• Model: AP-269-PTC. HTR-AS-C• SKU: 9620017651• Heat output: Up to 5, 000 BTU• Application: Ducted Penguin II electronic models 641835 and 641815• Input voltage: 115 V AC• Input frequency: 60 Hz• Product dimensions: 17.15 in D x 1.02 in W x 3.86 in H• Product weight: 1.97 lbs• Certification: CSA Electric heat upgrade Up to 5, 000 BTU Penguin II fitment | Dometic Ceramic PTC Heater Kit for Penguin II Electronic Models