Pundmann Therm 6L AC/DC Water Heater – Mid-Size 12V + 110V Dual-Element Boiler
The Sweet Spot Between Capacity and Footprint for Van & Overland Builds
The Pundmann Therm 6L Dual Water Heater hits the middle ground between hot water capacity and footprint — enough for solo or two-person builds without taking up more space than necessary. The 12V / 200W rod runs off your battery bank or solar, while the 110V / 500W element heats on shore power, with an optional third 500W element that brings total output to 1700W for faster heat-up times.
Built around a 6-liter food-grade 304 stainless steel tank wrapped in EPP soft-shell insulation for excellent heat retention, it delivers reliable, residential-quality hot water for campervans and overland rigs. Engineered in Germany by Pundmann.
Key Features
✔ Dual Heating Elements (12V + 110V)
A 12V DC / 200W rod runs off your battery bank or solar for true off-grid hot water, while the 110V AC / 500W element heats quickly on shore power — so you're covered however you camp.
✔ Optional Third 500W Element — Up to 1700W
Add the optional third 500W element to boost total output to 1700W for noticeably faster heat-up times when you need hot water in a hurry.
✔ 6L Food-Grade 304 Stainless Steel Tank
The corrosion-resistant 304 stainless tank holds 6 liters — enough hot water for solo or two-person builds — while keeping your water clean and safe.
✔ EPP Soft-Shell Insulation
Wrapped in EPP insulation, the Therm 6L holds heat far longer and reduces the energy draw on your system between heating cycles.
✔ Safety Built In
An auto shut-off thermostat holds a safe 70–75°C, a 3.5 bar pressure relief valve makes it safe for pressurized systems, and the included mixing valve blends hot and cold to prevent scalding.
✔ Easy to Live With Year-Round
A built-in drain valve makes winterization blow-out quick and painless, and the included DC/DC switch gives you fast and slow heating modes to match your power setup.
Built for Van Lifers & Overlanders
Whether you're outfitting a two-person campervan or adding dependable hot water to an overland rig, the Pundmann Therm 6L delivers the right balance of capacity and footprint. German-engineered, dual-voltage, and expandable to 1700W — it's the versatile mid-size choice for builds that need more hot water without going oversized.
What's Included
- Pundmann Therm 6L AC/DC water heater (12V + 110V)
- DC/DC switch with fast and slow heating modes
- 3.5 bar pressure relief valve
- Mixing valve to prevent scalding
- Drain valve for winterization
Specifications
- Capacity: 6 liters
- Voltage: 12V DC / 110V AC (US spec)
- Power: 200W (12V) / 1000W (110V); up to 1700W total with optional third element
- Max pressure: 3.5 bar
- Dimensions: 14.9" L x 9.0" W x 7.9" H (378 x 229 x 201 mm)
Why Choose the Pundmann Therm 6L?
- Dual 12V + 110V heating for off-grid and shore-power flexibility
- Optional third element boosts output to 1700W for faster heat-up
- 6L capacity ideal for solo or two-person builds
- Food-grade 304 stainless tank with EPP insulation for clean, long-lasting heat
- Thermostat, pressure relief, and mixing valves for safe everyday use
- German-engineered by Pundmann for residential-quality hot water on the road
