✅ 2-in-1 Heating and Hot Water for Mobile Living
The Thermatrail Smart Control Diesel RV Combo Heater heats both air and water. It runs on 12V and fits easily in RVs, vans, cabins, and other mobile homes. You’ll enjoy comfort in all seasons — all from one unit.
✅ Triple-Mode Operation for Smart Energy Use
Choose from three modes to suit different conditions: diesel-only, electric-only, or hybrid.
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Diesel mode: great for off-grid use
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Electric mode: quiet and efficient on shore power
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Hybrid mode: switches automatically for best performance
✅ Low Fuel Use, Strong Heat Output
This heater gives you solid performance while saving fuel.
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2kW: up to 0.32 L/h
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4kW: up to 0.65 L/h
That means lower costs on long trips or cold nights.
✅ Smart Control from Anywhere
Set the heat the way you want it — from inside or outside.
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Onboard control panel
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Bluetooth app for phone control
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Schedule timers and change modes remotely
✅ Simple Installation with Full Kit
All parts are included for easy setup.
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Hoses, clamps, exhaust, mounting hardware
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DIY-friendly or pro install
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Help available from our support team
✅ Trusted Quality and Warranty
It runs on 12V DC — no inverter needed. We ship worldwide from Ireland.
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1-year warranty on key parts
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Easy returns and friendly service
✅ Perfect For
This heater fits:
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Class B and C motorhomes
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Off-grid cabins and small homes
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Overlanding and cold-weather camping
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