Pundmann Therm Boiler 3L – AC/DC Water Heater 12V+110V

The Pundmann Therm 3L Dual-Heater Boiler is the compact hot water solution purpose-built for van builds, campervans, overlanding rigs, and off-grid adventures. This US-spec unit features two independent heating elements — a 12V/200W DC rod for charging off your vehicle battery or solar, and a 110V/500W AC rod for shore power or generator hookups — giving you total flexibility wherever the trail leads.

Key Features

• Dual heating: 12V DC / 200W + 110V AC / 500W
• 3-liter food-grade 304 stainless steel tank
• 3.5 bar pressure relief valve — safe for pressurized water systems
• EPP soft-shell insulation for excellent heat retention
• Auto shut-off thermostat at 70–75°C
• Ideal capacity for 1–2 person van or overland builds
• Drain valve opening to blow out for winterization
• Mixing valve Included to avoid scolding temperatures
• DC/DC switch included to optionally turn on heating elements (Fast and Slow energy-efficient heating options)

Specifications

• Capacity: 3 Liters
• Voltage: 12V DC / 110V AC (US spec)
• Power: 200W (12V) / 500W (110V)
• Max Pressure: 3.5 bar
• Water Connection: 10mm diameter

Dimensions

Whether you're crossing remote terrain or boondocking in the backcountry, the Pundmann Therm 3L ensures a hot shower is always within reach. Made in Germany, engineered for reliability.