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Eberspacher Sure Cal 10 Litre Vertical Calorifier With Immersion Heater and Single Coil The domestic water storage solution for Welfare units and Marine chosen by professionals. This calorifier can be paired with a Eberspacher Hydronic or Webasto Thermo Top heating system, to create a reliable and independent hot water solution via the internal heating coil, or heat water with the built in 230v element via a mains hook-up. Thermostatic mixer valve 4 bar pressure release valve 1kw immersion heater Non return valve 15mm barbed connections for coil, ready for 15mm push fit plumbing Supplied with 3 x copper feet Eberspacher part number - 292.1000.17.700 Typically used with Eberspacher Hydronic heater systems. Products specifications Capacity 10 Litre Orientation Vertical Coils Single Height 395mm Width 240mm Depth 320mm Weight 9kg SureCal boilers are made of the finest quality materials, which guaranteeing the ultimate performance and reliability. In addition the drop coil technology and finned surface heat exchanger used in the boiler provides unrivalled heat recovery. The unit is quick and easy to install with full fitting instructions provided. The boiler is insulated in a polyurethane jacket which will retain the heat for up to 24 hours after the engine has been switched off. The boiler is made of 100% copper, this gives both performance and health benefits. SureCal calorifiers come completely assembled ready for quick and easy installation. The immersion, pressure release valve, barbed engine coil connections and stainless steel fixing brackets all come as standard. A thermostatic mixer valve is fitted as standard for the safety of those onboard and increases the volume of hot water available. The stored water within the boiler reaches the same temperature as the engine (generally 85°C). If the mixer valve is set at 65°C you will generally increase your available hot water supply by 25%. Every calorifier is also individually bench tested ensuring quality and reliability every time. In house development and a commitment to customer service, quality and reliability allow us to provide boat builders with the exact shape and size of boiler to suit their space and application.
More information
More Information
Table of Contents
- Why it matters
- Features & benefits
- Key specifications
- Usage & maintenance
- Frequently Asked Questions
Why it matters
The Surejust SureCal Welfare Unit Hot Water Storage Tank is an essential component for welfare units and marine applications. It provides a reliable source of hot water, ensuring comfort and hygiene in various settings. Professionals in the field choose this calorifier for its efficiency and performance, making it a trusted solution for hot water needs.
Quick overview
- Capacity: 10 Litres
- Orientation: Vertical
- Coils: Single
- Weight: 9 kg
- Height: 395 mm
- Width: 240 mm
- Depth: 320 mm
Features & benefits
The Surejust SureCal unit boasts several features that enhance its usability and efficiency:
- High-Quality Materials: Constructed from 100% copper, ensuring durability and health benefits.
- Drop Coil Technology: Provides exceptional heat recovery, making it energy-efficient.
- Insulation: The polyurethane jacket retains heat for up to 24 hours, minimizing energy loss.
- Easy Installation: Comes fully assembled with clear fitting instructions, allowing for quick setup.
- Safety Features: Includes a thermostatic mixer valve and a 4 bar pressure release valve for safe operation.
Useful details
This calorifier can be paired with Eberspacher Hydronic or Webasto Thermo Top heating systems, providing flexibility in heating options. The built-in 1kW immersion heater allows for mains hook-up, making it versatile for various applications.
Key specifications
- Capacity: 10 Litres
- Orientation: Vertical
- Coils: Single
- Height: 395 mm
- Width: 240 mm
- Depth: 320 mm
- Weight: 9 kg
- Immersion Heater: 1 kW
- Pressure Release Valve: 4 bar
- Connections: 15mm barbed connections for easy plumbing
Usage & maintenance
To ensure optimal performance of the Surejust SureCal unit, regular maintenance is recommended. Here are some practical tips:
- Check the pressure release valve periodically to ensure it is functioning correctly.
- Inspect the immersion heater for any signs of wear or damage.
- Ensure that the thermostatic mixer valve is set correctly to maintain safe water temperatures.
- Keep the unit clean and free from debris to ensure efficient operation.
- Follow the manufacturer’s instructions for any specific maintenance requirements.
Practical tips
- Consider the installation location to ensure easy access for maintenance.
- Use quality plumbing materials to connect the calorifier to your heating system.
- Monitor water temperature regularly to ensure safety and efficiency.
Frequently Asked Questions
- What is the capacity of the Surejust SureCal unit?
10 Litres. - Can this unit be used with other heating systems?
Yes, it can be paired with Eberspacher Hydronic or Webasto Thermo Top systems. - How long does the insulation retain heat?
Up to 24 hours after the engine is switched off. - What materials is the unit made from?
100% copper, ensuring durability and health benefits. - Is installation complicated?
No, it comes fully assembled with clear fitting instructions for easy installation.






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