Jiatong JT-750 DC solar water heating booster pump with threaded connections for floor heating systems

Designed specifically for solar thermal installations and underfloor heating circuits, the Jiatong JT-750B/D series DC water pump provides reliable circulation without mains electricity dependency. Operating from 12-24 volt DC power sources, this pump integrates seamlessly with photovoltaic systems or battery banks, making it ideal for off-grid applications or locations without reliable grid power. The engineering plastic construction ensures compatibility with water-based heating media while resisting corrosion from typical system additives. With flow rates up to 1.2 cubic metres per hour and head capabilities between 3 and 7 metres, this compact pump delivers sufficient pressure for residential heating requirements while maintaining energy efficiency through its DC motor design.

Features and Construction

The JT-750 series incorporates several design elements specifically tailored for heating system applications. Its jet pump principle combined with semi-open impeller technology ensures consistent performance even with varying system pressures, while the six impeller stages provide sufficient pressure build-up for multi-zone heating circuits.

Material and Build

Constructed entirely from engineering plastics, the pump housing and internal components offer excellent chemical resistance against common water treatment additives found in closed-loop heating systems. This material selection prevents corrosion issues that can affect metallic pumps, particularly in systems with varying pH levels or oxygen content. The horizontal shaft positioning simplifies installation by allowing standard mounting orientations without special brackets or supports.

Size and Practical Fit

Weighing just 0.18 kilograms, the compact design facilitates installation in constrained spaces typical of heating system installations. The pump measures accommodate standard piping with either 20mm or 25mm threaded connections, available in both 4-point and 5-point thread configurations to match regional plumbing standards. This flexibility ensures compatibility with existing system components without requiring additional adaptors or modification to pipework.

Uses and Placement

Designed primarily for clean water applications, the JT-750 finds its optimal application in closed-loop heating systems where water quality can be maintained. The non-blocking performance specification indicates suitability for systems with proper filtration, making it appropriate for both primary heating circuits and secondary booster applications.

Event or Professional Use

For solar installation professionals, this DC-powered pump simplifies off-grid system design by eliminating AC power requirements at remote collection points. The 12-24 volt operating range allows connection directly to solar panel outputs with appropriate charge controllers, or to battery banks in hybrid systems. The availability of both voltage options provides flexibility in system design, with the 24V version offering potentially longer cable runs without significant voltage drop issues.

Everyday Home Use

In residential applications, the pump serves effectively as a booster for solar thermal systems feeding underfloor heating or domestic hot water circuits. Its quiet operation and minimal maintenance requirements make it suitable for continuous running in occupied spaces, while the threaded connections ensure secure, leak-free installation by qualified installers. The single-stage design maintains simplicity for homeowners while providing adequate pressure for typical residential heating requirements.

Benefits and Buying Value

The JT-750 series represents a purpose-built solution for specific heating applications rather than a general-purpose pump. Its design parameters target the particular requirements of solar thermal and underfloor heating systems where DC operation, corrosion resistance, and reliable circulation matter most.

Reuse and Low Maintenance

Engineering plastic construction reduces maintenance concerns by resisting scale build-up and corrosion common in heating systems. The non-blocking design specification indicates appropriate application in properly maintained systems, potentially extending service intervals compared to pumps more susceptible to particulate interference. Horizontal mounting orientation simplifies inspection and potential servicing access without system drainage in many installations.

Why Choose This Product

This pump offers targeted functionality for solar heating and floor heating applications where DC operation provides distinct advantages. The combination of specific flow and head ratings (1.2 m³/h and 3-7 metres) matches typical residential system requirements rather than offering excessive capacity that would waste energy. Threaded connection options in two sizes and thread patterns increase installation flexibility, while the lightweight design reduces structural support requirements in retrofit applications.