Dometic | FreshJet 4 Series 15K BTU Air Conditioner w/ Heat Pump - White | 9610007815 | FJX4573EHPWHCS | Replaces Models: H551816, H551916 | R32 Refrigerant

Dometic FreshJet 4 Series Electronic 15K BTU RV Air Conditioner with Heat Pump – White Model: FJX4573EHPWHCSPart Number: 9610007815Cooling Capacity: 15,000 BTUType: Heat Pump (Cooling & Electric Heating)Refrigerant: R32 (Next-Generation, Energy Efficient)Color: White Installation Requirements Non-Ducted Systems:Requires a compatible air distribution box (ADB), sold separately Ducted Systems:Requires return air grille and ducted ceiling assembly components, sold separately Freight Shipping:Ships via truck freight ($99), Installation requires proper rooftop lifting capability Compatibility & Replacement This unit is designed as a direct replacement for the following legacy Dometic models: H551816AXX1C0 H551916AXX1C0 H551816 H551916 The FreshJet 4 Series Heat Pump model provides a modern upgrade with: Higher airflow for improved cooling performance Faster cool-down enabled by dual-motor design Up to 10 dB quieter operation for improved interior comfort Integrated heat pump for efficient electric heating in mild weather Built-in hard start for more reliable compressor startup and reduced breaker trips Updated R32 refrigerant for improved environmental performance When properly configured, this unit maintains compatibility with existing Dometic ceiling assemblies. Important Installation Note All new replacement RV air conditioner units include a factory pre-installed roof compression gasket on the base of the unit. This gasket is engineered to create a proper seal between the air conditioner and the RV roof, ensuring a secure and leak-resistant installation. No additional roof gasket or sealant is required for the rooftop unit itself. Need Help Confirming Fitment? Our team at United RV Parts is available to assist with proper fitment and compatibility. Call or text 817-984-1852 with your existing air conditioner model number, and we’ll ensure you get the correct replacement the first time. Additional Requirement RJ11 to RJ45 Adapter Harness (Part #9610008210) is required for most Penguin II replacements where existing RJ11 control wiring is being adapted to the newer RJ45 communication system.