SPRSUN Integral Hydronic Tank
Compact hydronic tank solution designed for high integration, advanced safety, and efficient heating.

The SPRSUN Integral Hydronic Tank combines a hot water tank, buffer tank, expansion tank, and hydronic components into a single, compact unit, specially designed for air source heat pump systems.

■ Efficient and stable heating performance
■ Dual dry-burning and temperature control for enhanced safety
■ Dual temperature zone control
■ Zero cold water control for instant hot water comfort
■ Solar water heater connection and control support

Main Advantages

■ Super Easy Installation: High integration reduces installation time and labor costs by up to 50%, allowing fast and practical heat pump commissioning.

■ Dual Temperature Zone Control: Offers precise temperature control for different areas according to user needs. Provides stable and comfortable domestic hot water with zero cold water control.

■ Dual Safety Protection: Dual dry-burning protection and temperature control ensure stable and safe operation, reducing risk of failure and maintenance costs.

■ Highly Integrated Design: Key hydronic components—including hot water tank, buffer tank, expansion tank, and three-way valve—are integrated in a single scientific design. Saves space and simplifies system layout.

■ Solar Energy Compatibility: Supports connection and control of solar water heating systems, enabling easy integration of renewable energy.

Technical Overview

■ Hot water tank capacity: 150 liters
■ Buffer tank capacity: 60 liters
■ Maximum water temperature: 75°C
■ Built-in 3 kW electric heater + 3 kW backup heater
■ SUS304 corrugated tube heat exchange coil (DN32 – 15 m)
■ DN25 three-way valve and 5 L expansion tank
■ CAREL or SPRSUN controller options
■ Power supply: 220–240 V or 380–420 V

Note: For 380 V models, ensure the power supply meets the current requirements of the integral hydronic tank. Connection cables and breakers should be properly configured by the user.

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