Espar/Eberspaecher Aqua Heater Kit - Diesel

Espar/Eberspaecher AquaSystem NA — All-in-One Hydronic Heating for Your RV

Engineered and manufactured by Espar/Eberspaecher, the AquaSystem is the most complete hydronic heating solution available for North American RVs. Built around the proven Hydronic S3 platform, it delivers reliable diesel-powered cabin heat and on-demand hot water from a single, compact unit — no separate water heater required.

Whether you're parked at a campsite with shore power or deep in the backcountry, the AquaSystem keeps your interior comfortable and your water hot, automatically adjusting for altitude up to 10,000 ft.

What's Included

• Espar/Eberspaecher Hydronic HS3-D5E heater unit
• Kalori Water-to-Air heat exchangers (×2) for cabin heating
• Plate heat exchanger for domestic hot water
• 4.3" color touchscreen controller
• Exhaust silencer & intake silencer
• 1,500W electric heating element with shore power activation
• Auto 3-speed interior fan controller
• Automatic altitude compensation to 3,000 m (≈10,000 ft)
• Automatic & scheduled activation capability

What's Not Included

• Fuel supply line and fittings (vehicle-specific)
• Mounting hardware for vehicle-specific installation
• Professional installation labor

Key Benefits

• Heat + Hot Water in One System — eliminates the need for a separate propane water heater
• Shore Power Ready — 1,500W electric backup keeps you comfortable at the campsite without burning fuel
• Altitude Compensating — automatic combustion adjustment ensures reliable starts and clean burns at elevation
• Set It and Forget It — scheduled activation warms your rig before you wake up or return
• OEM Quality — designed, engineered, and assembled by Espar/Eberspaecher

SKU: 25.2800.10.0002 | Origin: Germany | Weight: 62 lbs