Jiatong JT-750 DC Water Pump for Solar Heating and Floor Heating Circulation Boost

For homeowners and installers seeking to enhance the efficiency of low-voltage hot water systems, the Jiatong JT-750 DC water pump offers a focused solution. This horizontal process pump is engineered specifically for circulating clean water in applications like threaded solar thermal collectors and underfloor heating loops. Operating on a DC 12-24 volt range, it provides a viable alternative where mains AC power is inconvenient or unavailable, delivering a flow rate of 1.2 cubic metres per hour. Its design prioritises reliable, non-blocking performance within a compact and lightweight housing, making it a practical component for dedicated heating and solar circuits.

Features and Construction

The JT-750 pump’s construction and specifications are defined by its role as a dedicated circulation unit for clean water systems. Below are the key aspects of its material build and physical fit.

Material and Build

The pump’s primary construction material is engineering plastic, chosen for its suitability in handling clean water and contributing to the unit’s total weight of just 0.18 kilograms. This material supports the pump's stated non-blocking performance characteristic. The internal workings utilise a semi-open impeller within a jet-pump structural principle, driven by an electric motor. This single-stage, horizontal shaft configuration is a common design for straightforward fluid transfer, focusing on consistent operation rather than handling solids or aggressive fluids.

Size and Practical Fit

Integration into existing plumbing is facilitated by threaded connections. The pump is available with either 20mm or 25mm threaded suction and outlet calibres, corresponding to the model suffixes ‘4 points’ or ‘5 points’. This allows for secure attachment to standard piping in heating systems. The pump’s compact horizontal form factor and light weight simplify mounting in confined spaces typical of boiler cupboards or solar thermal installations.

Uses and Placement

This pump is designed for specific fluid-handling tasks within residential and small-scale commercial settings. Its parameters guide its ideal installation scenarios.

Event or Professional Use

For professional installers, the JT-750 serves as a dedicated booster pump for solar water heating systems. Its DC operation aligns with the typical low-voltage output of solar PV panels or controllers, allowing for integrated renewable energy setups. The specified 3 to 7 metre head (pressure) range is suitable for overcoming resistance in panel arrays and pipework to maintain effective thermosiphon or forced circulation.

Everyday Home Use

In a domestic context, its primary application is as a circulation pump for wet underfloor heating systems or secondary hot water loops. The 1.2 m³/h flow rate is appropriate for distributing heat through manifold circuits in average-sized rooms. Homeowners benefit from its quiet, low-voltage operation and the reliability offered by its simple, non-blocking impeller design when used with clean, debris-free water.

Benefits and Buying Value

The value of this pump lies in its specific design choices that address common needs in niche heating applications.

Reuse and Low Maintenance

The use of engineering plastic and a clean-water-only specification implies a design geared towards longevity in controlled environments. With no parts specified for handling abrasives, its maintenance is minimised when used as intended. Its durability is tied to correct application—circulating clean water in sealed systems—which reduces wear and the likelihood of failure.

Why Choose This Product

You would select the Jiatong JT-750 if you require a purpose-built, low-voltage circulation pump with specific threaded connections (20mm or 25mm) for a solar thermal or hydronic heating project. Its clear specifications for voltage, flow, head, and connection size allow for precise system matching, which is more advantageous than opting for a generic pump. The provided model codes (e.g., JT-750B4-12V) ensure you receive the correct voltage and thread variant for your power supply and plumbing.