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Please note delivery on this product is approx 2 weeks
The Surejust 6L 12V / 230V Motorhome Water Heater is a compact and efficient dual-voltage calorifier designed to provide reliable hot water in caravans, motorhomes, and campervans. It operates using both 12V and 230V power sources, making it ideal for off-grid use or when connected to mains hook-up.
Built from high-quality copper and insulated for maximum heat retention, this water heater ensures consistent performance and durability, even in demanding touring conditions.
Within the main product description, the total product weight is approximately 6.6kg–8kg, depending on variant and fittings. Slimline versions are around 6.6kg, while standard units are commonly listed at 8kg, making this a relatively lightweight but robust system for its category.
Dual power operation (12V & 230V) for flexibility
Compact 6L capacity ideal for campervan installations
High-quality copper construction for durability
Retains heat for extended periods
Designed for motorhome and caravan use
Fully assembled for easy installation
Product name: Surejust 6L 12V / 230V Water Heater
Brand: Surejust / SureCal
Product type: Calorifier / water heater
Capacity: 6 litres
Power supply: 12V (300W) & 230V (700W)
Construction: 100% copper tank with insulated casing
Pressure system: 3 bar pressure relief valve
Connections: 15mm push-fit plumbing
Approximate total product weight: 6.6kg – 8kg
This unit is designed to heat water quickly and retain heat for up to 24 hours, improving efficiency during travel or campsite use.
This water heater is suitable for:
Campervans
Motorhomes
Caravans
Van conversions
Marine and off-grid applications
Typically installed in:
Under-seat compartments
Cupboards or service areas
Utility/storage spaces within the vehicle
Select a suitable mounting location with adequate ventilation.
Secure the unit using supplied brackets or mounting points.
Connect cold water inlet and hot water outlet using push-fit plumbing.
Install pressure relief valve outlet to a safe discharge point.
Connect to 12V system and/or 230V mains supply.
Fill system and check for leaks before powering on.
Professional installation is recommended for best results.
Surejust 6L water heater unit
Thermostatic mixer valve
Pressure relief valve (3 bar)
Non-return valve
Mounting brackets / saddles
Pre-installed immersion heater elements
Reliable hot water solution for mobile living
Dual voltage gives maximum flexibility
Compact size ideal for smaller spaces
Durable copper tank for long lifespan
Cost-effective alternative to larger systems
Campervan water systems
Motorhome hot water installations
Caravan plumbing upgrades
Off-grid living setups
Van conversions
Touring and long trips
Suitable for installation in:
VW Transporter (T4 / T5 / T6 / T6.1)
Fiat Ducato
Peugeot Boxer
Citroen Relay
Ford Transit / Transit Custom
Mercedes Sprinter / Vito
Motorhome brands:
Bailey
Swift
Elddis
Coachman
Compatibility depends on available installation space and water system setup.
| Specification | Details |
|---|---|
| Product Name | Surejust 6L 12V / 230V Water Heater |
| Brand | Surejust / SureCal |
| Product Type | Calorifier / Water Heater |
| Capacity | 6 Litres |
| Power Supply | 12V (300W) / 230V (700W) |
| Pressure Rating | 3 Bar |
| Connections | 15mm Push-Fit |
| Material | Copper Tank |
| Dimensions | Approx. 420–440mm x 240–245mm x 240–250mm |
| Approx. Product Weight | 6.6kg – 8kg |
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