- Compatible with Leading Brands: This water heater battery box is specifically designed to work seamlessly with Ascot, Caloex, Cinsa, Foset, and Heatmaster, ensuring reliability and efficiency in your heating system. - Ideal for Instantaneous Water Heaters: Perfectly suited for Depaso instantaneous water heaters, this battery box guarantees optimal performance for your hot water needs. - Versatile Battery Compatibility: Designed to accommodate 3V D batteries, this battery box is the ideal solution for heaters that require two D batteries, providing a dependable power source for consistent operation. - Durable and Eco-Friendly Material: Constructed from high-quality, environmentally friendly ABS material, this battery box is not only durable and safe but also resistant to discoloration and deformation. Its smooth design ensures no burrs, enhancing user safety. - Practical Applications: - Use this battery box in your home’s boiler system to ensure uninterrupted hot water supply, especially during peak usage times. - Ideal for use in vacation homes or remote cabins where electrical supply may be limited, providing a reliable backup for your heating system. - Enhanced Performance: This battery box is engineered to deliver reliable power, ensuring your heating system operates efficiently and effectively, especially in critical situations. Choose our water heater battery box for dependable compatibility, robust construction, and practical solutions for your heating needs.