Most are just copies of copies from 2–3 Chinese factories. Rebranded with tweaks (e.g., better controllers or fans), but quality swings wildly—cheap ones skimp on finishes, leading to leaks, failures, and frustration right out of the box.
I’ve run them off-grid in Thailand with zero drama when sourced right.
5kW: Is the “sweet spot’ for off-grid/vans/motorhomes—compact, efficient power draw, solid heat.
Tip!……….. Power!
Make sure you have at least a 20 amp power supply.
5kW/8kW share near-identical internals—just scaled. True distinct designs? Only 3–5 dominate (e.g., all-in-one box with LCD/Bluetooth).
They are great heaters with just a few tweaks and adjustments to make depending where and how much they cost.
Promotion/Sales: Offer “Graham’s Gasket Pack: 3x Upgraded (1.5mm heat-resistant) gaskets.Indestructable under normal use.
Benefits of High-Temperature Gaskets
- Extreme Heat Resistance: Handle temperatures from 300°C to over 1000°C.
- Durability and Longevity: Resist thermal degradation, ensuring consistent performance.
- Chemical and Corrosion Resistance: Perform reliably in aggressive environments.
- Pressure Tolerance: Maintain tight seals under high-pressure conditions.
- Customisable: Tailored to your exact specifications for unique applications.
- Energy Efficiency: Reduce heat loss, enhancing operational efficiency.
- Safety and Leak Prevention: Prevent system failures and hazardous leaks.
- Cost-Effective: Reduce downtime and maintenance costs through durable materials.
Price is only £17.99 for the pack of 3 when using my link https://amzn.to/4rcHXqr
“stock ones vary by factory finish; mine seal rough surfaces perfectly.”
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