Home > Media > News center

Designed for the System: LEO Circulation Pumps in Selected Haier Heat Pump Lines

2026.07.17

For a residential heat pump, energy efficiency and quiet operation matter every day. At the heart of its water circuit, the circulation pump keeps water moving between the heat pump and indoor terminals. How that pump fits the system matters to the heating and cooling it supports.

For selected Haier residential air-to-water heat pump product lines, LEO brings that system focus to a dedicated circulation pump solution—combining permanent-magnet technology with hydraulic control and protection features designed for residential HVAC use.

Different Homes, a Clear Configuration Goal

Residential installations vary. Pipe layouts, hydraulic resistance and installation conditions can differ from one home to another, making system matching an important consideration for pump configuration.

For the selected Haier product lines, the goal was clear: standardize pump configuration across different installation sites while supporting consistent system performance, quiet operation and long-term reliability.

LEO serves as a designated circulation pump supplier for selected Haier residential air-to-water heat pump product lines. For these product lines, LEO provides a dedicated circulation pump solution tailored to system requirements and real operating conditions.

A Pump Solution Built Around the Application

LEO developed a dedicated permanent-magnet canned circulation pump solution around those requirements. Stable water circulation was central to the approach, alongside the energy efficiency, adaptability and quiet operation that residential heating and cooling demand.

LEO circulation pump with a front control panel and horizontal connections against a dark background.

LEO brings these priorities together through efficient motor technology, responsive hydraulic control and protection designed for residential use:

Energy efficiency at the pump. A permanent-magnet motor and optimized hydraulics are designed to reduce the energy needed for circulation. LEO's product comparison gives this efficiency potential a concrete reference under defined operating conditions.

Estimated Annual Energy Saving: 1,476 kWh

In LEO's product comparison, the permanent-magnet canned circulation pump offers estimated energy savings of 1,476 kWh per year over a similar-performance horizontal multistage pump, based on operation for 24 hours per day and 180 days per year.

Calculated from a product comparison, these savings illustrate energy-saving potential. Actual savings depend on system conditions and operating patterns.

Control that responds to system resistance. Three constant-pressure modes and automatic adjustment to system resistance bring adaptability to the circulation solution. These features connect pump operation to the hydraulic requirements of the heating and cooling circuit.

Quiet operation for residential use. The water-cooled canned design addresses a priority that matters in the home: equipment noise. A seal-less structure also reduces leakage risk, bringing another practical consideration into the design.

Protection designed for HVAC duty. Anti-condensation design, potting protection and multiple safety functions address protection needs alongside hydraulic performance. Reliability is part of the product design from the outset.

Products Used

The application uses the following LEO RPA models:

ModelRated FlowRated Head
RPA25-12/0.18-1803 m³/h10 m
RPA25-13/0.23-1804 m³/h10 m
RPA25-16/0.28-1804 m³/h12 m

LEO Expertise for Better Heating and Cooling

For the selected Haier product lines, standardized pump configuration helps support more consistent, quiet and energy-efficient system performance across different installation conditions—helping improve the everyday heating and cooling experience for end users.

The cooperation demonstrates LEO's strength in bringing pump technology and application expertise together. LEO delivers system-matched smart fluid solutions tailored to real operating requirements, connecting product design with the performance customers need. This Haier application provides a concrete reference for heat pump manufacturers seeking a partner with both circulation pump products and system-matching expertise.

Developing a Residential Heat Pump System?

Talk to LEO about your circulation requirements, operating conditions and configuration needs. Explore a pump solution built around your heating and cooling application.

Discuss Your Heat Pump Application