Eberspacher Hydroplate 2.5 kW Add-On Kit With Manual Thermostat

Turn cold cabins into comfortable spaces with the Eberspacher Hydroplate 2.5 kW Add-On Kit. Designed to integrate into your existing hot water heating system or engine coolant circuit, this kit delivers reliable, blown warm air for automotive and marine applications. Built around a water-to-air heat exchanger and a high-quality original equipment heater matrix, it provides efficient heat with responsive control—even in challenging environments.

What makes this kit stand out

Unlike standalone heaters, the Hydroplate add-on uses your vehicle’s or boat’s circulating hot water to produce warm air quickly and efficiently. The result is rapid warmth without excessive fuel use, plus the ability to maintain a comfortable cabin temperature in cooler conditions. The system is engineered for durability in harsh maritime and automotive settings, with components chosen to endure vibration, humidity, and temperature swings.

Key features

• 2.5 kW nominal heating capability designed to deliver dependable warmth for enclosed spaces in cars, trucks, boats, and RVs.
• Water heat exchanger paired with a high‑quality original equipment heater matrix for consistent performance and long service life.
• 2-speed air blower provides flexible airflow: high for rapid warm-up and low for quiet, steady comfort.
• Manual thermostat for straightforward, reliable temperature control without relying on complex electronics.
• Complete kit inclusions ensure easy installation: 1.7 kW fan coil with high & low speed, black fascia, 4 meters of 16mm water hose, all stainless steel clamps, relief grill, manual thermostat, and thermostat wiring diagram.
• Flexible compatibility suitable for a wide range of automotive and marine installations where an auxiliary heating solution is needed.
• Part number 406199 for precise identification and compatibility checks with your existing Hydroplate system.

Use cases and practical scenarios

Ideal for vehicles, boats, and marine-influenced motorhomes where cabin heating is beneficial during cold starts, overnight stays, or winter cruising. Attach the kit to your hot water or engine coolant circuit to generate warm air that circulates throughout the cabin, keeping living spaces comfortable without excessive engine running time. The dual‑speed blower lets you choose a quiet, gentle airflow for overnight warmth or a brisk stream when you need fast heat-up before dawn.

Who benefits most

Owners of boats, yachts, RVs, and work vehicles that rely on engine‑driven or water‑heated warmth will appreciate the reliability, simplicity, and robust build of this Eberspacher add‑on. It’s a practical upgrade for anyone seeking efficient, hands‑on control over cabin temperature with components designed for tough environments.

Why choose this solution over alternatives

Compared with standalone electric or diesel heaters, the Hydroplate add‑on leverages your existing hot water or coolant system to deliver effective warmth with potentially lower running costs. The use of an OE‑grade heater matrix and a durable water heat exchanger ensures compatibility and longevity, while the included manual thermostat and simple installation hardware make maintenance straightforward. In environments where space is at a premium, this compact, integrated solution provides steady, controllable heat without clutter.

Technical and installation notes

The kit includes all essential components for a complete installation: a 1.7 kW fan coil with dual speeds, black fascia, 4 meters of 16mm water hose, stainless clamps, a relief grill, and a manual thermostat with wiring diagram. It is designed to integrate directly with the Hydroplate system, offering a cohesive, reliable heat source for both automotive and marine applications.