Techno LPA 25-5-180

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High-efficiency circulators with screwed connection, EC motor and integrated electronic power control, designed for circulating liquids in heating and air conditioning systems. With an energy efficiency index (EEI) at the ErP benchmark for most efficient circulators it contributes to energy savings.

The ideal choice for basic functionality needs.


Intuitive one-button operation makes selection of any control mode simple

No external motor protection required reducing installation time

High-torque start improves startup under harsh conditions

Maintenance free and noiseless due to canned-rotor design and use of robust components

Fast connection plug makes electrical installation quick, safe and easy

Insulating shells  are available to minimize heat loss in heating systems

The pump also features six control modes – with total nine curves

proportional-pressure control

constant-pressure control

constant-curve mode


Night mode

The display shows the actual power consumption in Watts. LEDs indicate the actual operating status.

The pump has a ceramic shaft and radial bearings, carbon thrust bearing, stainless-steel rotor can, bearing plate and rotor cladding, composite impeller, all of which contribute to long life.

The pump is self-venting through the system, which contributes to easy commissioning. The compact design with integrated control box and control panel on side of the motor fits into most common installations.

The pump housing is made of cast iron and electro coated to improve the corrosion resistance.

The motor is a synchronous permanent-magnet/compact-stator motor characterized by high efficiency.

The pump speed is controlled by an integrated frequency converter incorporated in the control box.



Model: LPA25-5 180

Power: 5~32W

Max.flow: 3.0m³/h

Max head: 5m

Current: 0.05~0.27A

Voltage/ Frequency: 230V /50HZ

Pump housing: Cast iron

Pumped liquid: Water

Insulation class: H

Degree of Protection: IP42

Liquid temperature range: -30-110℃


Energy(EEI): ≤0.20-Part2

Max System Pressure: 1.0MPa


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