
LRS-15 Circulation Pump Series
This circulation pump is engineered for efficient and quiet liquid circulation within piping systems. Leveraging advanced noise-reduction technology, it maintains exceptionally stable operation while minimizing vibration to the lowest levels. It is specifically suited for applications demanding high operational reliability and low environmental disturbance, such as HVAC systems, water supply systems, and industrial cooling.
305w
14m
4.1m³/h
Advantages of Circulation Pump
High Efficiency - Hot water instantly upon opening the lid, eliminating the need to adjust temperature and wait before showering while preventing water wastage.
Energy Saving - Reduces water consumption, conserves resources, and effectively lowers water bills while being eco-friendly.
Portable - Requires no major modifications to existing plumbing.
Silent Mode - Operating noise below 45 decibels.
Cold/Hot Water Circulation Compatibility - Fully functional across the entire temperature range from 0°C to 110°C.

Product Selection

Application Fields
1. Underfloor Heating Circulation System:
In home heating or underfloor heating systems, the circulation pump serves as the core power unit. It drives hot water to continuously circulate through the pipes, delivering heat evenly and rapidly to every room. This ensures whole-house warmth and comfort while significantly enhancing the heating system's thermal efficiency and response speed.
2.Hot Water Circulation:
To deliver an “instant hot water” experience, the circulation pump returns cooled water from the pipes back to the water heater for reheating, maintaining a constant water temperature throughout the system. This completely eliminates lengthy pre-use waiting times and cold water drainage, significantly improving water usage convenience while conserving water resources.
3. Cold/Hot Water Pressure Boosting:
Addressing issues like insufficient incoming water pressure or weak water supply in high-rise buildings, the circulation pump effectively increases pressure in the entire household's cold water, hot water, or supply pipes. This significantly improves shower flow rates, enhances water pressure stability during simultaneous multi-tap usage, and substantially elevates household water comfort.
4. Solar Water Heating Systems:
In applications such as solar water heating, residential pools, or air conditioning cooling water systems, the circulation pump is essential for maintaining the circulation of liquid media (e.g., water, antifreeze). This ensures the proper operation of these auxiliary systems, enables efficient heat exchange, and facilitates water filtration and cleaning.




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