Wallas 2.2Kw Diesel Heater 22GB 12V is the robust off-grid heating solution designed for boats, camper vans, and trailers that demand steady warmth without fuss. Built for efficiency and reliability, this 12V diesel heater delivers precise comfort while using fuel and electricity more wisely, so you can stay warm longer with less power draw. What makes the Wallas 22GB stand out - Strong, adjustable heat output: 1.1–2.5 kW (1100–2500 W) to match your space and climate, so you heat quickly and evenly without wasting energy. - Fresh-air circulation: double inlet pipes ensure oxygen-rich air circulates, improving cabin comfort and reducing stale-air buildup. - Clean, quiet operation: variable output minimizes system cycling and noise, creating a peaceful environment below deck. - Laminar combustion for dry, odor-free air: the fully enclosed burn process dries indoor air and keeps odors outside the cabin. - Energy-conscious design: Wallas Greenboost technology trims fuel consumption and boosts overall efficiency, helping you save both fuel and electricity. - Durable, long-life components: brushless blower motors extend service intervals and reliability in harsh marine conditions. - Simple, safe startup: a three-second press-and-hold start enhances safety for families with children, then you’re ready to set the exact comfort level on the thermostatic control panel. Technical snapshot you can rely on - Fuel: Diesel or HVO renewable diesel for flexible, eco-minded fueling - Power/Output: 1.1–2.5 kW (3,700–8,500 BTU) depending on demand - Operating Voltage: 12 V - Fuel consumption: ~0.10–0.25 L/h (3.4–8.5 oz/h) - Electrical draw: ~0.55–1.0 A - Air volume: 51 m3/h (min heat) to 79 m3/h (max heat) - Dimensions: 424 mm L × 140 mm W × 277 mm H - Weight: ~10 kg - Mounting: floor or wall Designed for small to mid-sized vessels and off-grid setups, the Wallas 22GB excels where space is at a premium. It’s especially well-suited for boats in the 5–7 m range, retrofitted camper vans, and compact trailers, offering reliable warmth without imposing a heavy power or fuel footprint. The system supports direct fuel feed from the vessel’s main tank, saving space and eliminating the need for a separate auxiliary tank. What’s included in the standard package - Heater with PI Thermo Control Panel - 6 m (19 ft) control/wire harness - 4 m (13 ft) fuel line - 4 m (13 ft) power cable with connector and integrated 15 A fuse - Mounting plate and feet brackets - Accessory bag with clamps and screws - 4430 Remote Control (sold separately as an optional accessory) Why homeowners and boaters choose Wallas - Real-world comfort: consistent warmth, quick response to temperature changes, and a dry heat experience that keeps upholstery looking fresh and windows from fogging. - Low-maintenance reliability: durable Finnish engineering that’s built to withstand rough weather and long seasons on the water or off-grid environments. - Brand promise you can trust: Wallas blends proven heritage with modern efficiency, delivering heating solutions that prioritize safety, performance, and user-friendly control. If you’re upgrading a compact living space aboard a boat or vehicle, Wallas 22GB is designed to deliver dependable warmth with intelligent energy use, so you stay comfortable on long passages or chilly nights without compromising space or fuel economy.