Best Grundfos Pump in 2020

Grundfos manufactures pumps of different types, they are the best in the world and are used for home, industrial facilities, etc. With the help of such a technique, it is possible to make and adjust the water supply, heating or sewerage, in addition, there are devices for watering a vegetable garden or garden, working with drainage fluids. The article will allow the potential buyer to determine the best Grundfos pump in 2020 for any need.

The best Grundfos pumps for heating systems and hot water

Often, circulating devices are installed in such systems, which make it possible to obtain stability of water movement through the system. The equipment is often low-capacity, characterized by a wet rotor and quiet operation.

ALPHA2 25-40 180

Surface pump with high efficiency and permanent magnet motor. The total current consumption is 0.022 kW, while the unit can pump 2.4 cubic meters / h in a wide temperature range from 2 to 110 degrees with a head of 4 meters. Sold in cast iron casing and wet rotor. Installation in any plane, does not require control, everything is carried out in automatic mode. Functional data, electricity consumption and breakdown data are shown on the front of the device.

Pros:

• Minimal power consumption.
• Compact dimensions 10 × 15 × 18 cm and weighs only 2.1 kg.
• Quiet operation at 43 dB.
• High resistance to corrosion.
• There is an AUTOADAPT option and a choice of different operating modes, which allow automatic temperature control.
• Slight heat loss as the case is insulated.
• There are 3 preset operating modes.
• The warranty period is 5 years.
• Affordable cost within 9-11 thousand rubles.

Minuses:

• There are cases of outages in electronics.
• No dry run protection.

UPS 25-60 (N) 180

A highly demanded surface-type pump with a cast iron body, which is suitable for heating systems or stainless steel for hot water. It uses a 1-phase motor that has a 3-speed switch, sleeve. Placed horizontally or vertically. Allows to pump water in a wide temperature range + 2- + 110 degrees. The total productivity is 4.3 cubic meters / h with a head of 5.6 m. Power is 0.06 kW.

Pros:

• Suitable for installation in any circuit.
• High resistance to wear, regardless of the housing.
• Economical consumption of electricity.
• Quiet operation at 43 dB.
• Small dimensions 18 × 13 × 13 cm and weight 2.6 kg.
• Overheating protection installed.
• Easy installation, maintenance and use.
• The operational period is about 10 years.
• Affordable price in the region of 5000-7000 rubles.

Among the shortcomings, experts believe only that the model is already outdated and there are more modern pumps.

UPS 32-80

An upgraded model with the above-described average cost of 20,000 rubles. The device is powerful and reliable in a bronze case. It works on the basis of a 1-phase wet rotor motor that can pump 11 cubic meters per hour, which is enough for heating a cottage or summer cottage. Installation can be carried out in any spatial position. Average current consumption is 0.135 kWh

pros:

• Excellent reliability.
• High power.
• Ceramic base parts.
• Bronze body.
• Any installation method.

Among the disadvantages are the overpriced.

The best pumps for increasing the pressure in cold water

A group of equipment in this segment is often used for cold water, suitable for pumping oils up to 10 sq. Mm / s. Surface devices are created with a wet rotor, which will eliminate the audibility of the pump. Based on the configuration, the models work continuously or on a timer.

MQ 3-45

An automatic station with a suction depth of up to 8 meters and a pressure of 46 m. ​​Power is 1 kW, for 1 hour of operation you can get 4.1 cubic meters. water no more than 35 degrees. The pump includes a non-return valve, an electric motor, an ejector and an accumulator. It functions with a sensor and a relay, and all information about the process is shown on the indicator panel, where there is 1 key for control.

Pros:

• Low noise level during operation, which does not exceed 55 dB.
• The optimal dimensions are 22 × 57 × 32 cm and the weight is 13.0 kg.
• High-quality body made of steel, which is not subject to wear and corrosion.
• Long service life, due to a special battery and on / off cycles.
• There is no outflow of water, which is ensured by a check valve.
• Installed protection against overheating, idling, wedge and overload.
• Affordable pricing policy within 240,000 rubles.
• Durability is about 10 years or more.

Minuses:

• Built-in hydraulic accumulator.
• Costly renovation work.

UPA 15-90 (N)

Monoblock surface pressure booster. Manufactured in stainless steel or cast iron housing with 1-phase motor and terminal box. After opening the tap and triggering the relay, the device starts up, for this, a pressure of 0.2 atmospheres must form at the inlet. The device can be controlled automatically or manually. Delivers up to 1.5 cubic meters. per hour with a pressure of 8 meters. Works with a temperature of 2-60 degrees.

Pros:

• The minimum electricity consumption is within 0.118 kW.
• Quiet operation, not exceeding 35 dB.
• Low weight 2.7 kg and small dimensions.
• The user can choose the operating mode himself.
• High resistance to corrosion.
• Reliability.
• Idling and overheating protection.
• Easy installation and convenient operation.
• Maintenance free.
• Long term of use - 10 years.
• Affordable price within 6000 rubles.

Minuses:

• Availability of 1 speed.
• The upgraded version with the letter N is relatively expensive at around 12,000 rubles.

Rating of pumps for wells and wells

Such options are submersible pumps. When choosing, it is necessary to understand specific characteristics, including the depth of the well or well, as well as the pressure, the cooling method, and so on.

SBA 3-45 A

Well submersible pump with a filter and a float switch. The body is made of composite materials, there is a stainless mesh at the entrance to stop debris. The device is automatically started by the installed pair of relays. Structurally, this model is equipped with a non-return valve. It is recommended to purchase equipment for a loading depth of up to 10 meters, while the delivery head will be 45 m. The available liquid temperature is up to 40 degrees. The total power is 1.05 kW with a pumping capacity up to 3 cubic meters per hour.

Pros:

• Automatic operation due to installed relays, flow sensor and float.
• High resistance to corrosion.
• Construction reliability.
• There is protection against idle running, overheating with a further restart of the pump.
• Quiet operation, the volume of the device is not higher than 50 dB.
• Convenient transportation, installation, maintenance and use.
• Power cable 15 meters, total weight 9.7 kg.
• The service life is 10 years or more.

Minuses:

• The filter often gets clogged when turned on at a depth of 1 mm or more.
• A relatively high price within 23,000 rubles.

SQ 2-35

A good choice for wells that delivers 45 meters of head at 1.02 kW power consumption. Recommended for diving to a depth of 150 meters. The total productivity of the device is 3 cubic meters / h, and the operating temperature of the water should not exceed 35 degrees.Made of composite materials and stainless steel, it has a floating wheel and a permanent magnet motor. Installation by any method, automated operation, with different protection methods.

Pros:

• Excellent operational and technical performance.
• It can be placed in a horizontal or vertical position due to its small size and weight of 4.7 kg.
• There is a check valve.
• High resistance to corrosion and wear.
• Protection against voltage surges, heating, overload, no-load.
• The pump starts smoothly.
• High quality motor.
• High efficiency.
• Long service life.

Minuses:

• If the pump is heavily loaded, the spline shaft begins to wear out quickly.
• High cost within 35,000 rubles.

Rating of pumping equipment for sewers

These devices are characterized by high power, which allows you to remove solid, oily and other particles. In addition, the models described below provide the user with high head and excellent performance.

SEG.40.09.2.1.502

Fecal apparatus with a chopper and high performance. The power of the pump is 900 W at the same time in 1 hour, it turns out, to pump out 15 cubic meters. The working temperature of the masses should not exceed 40 degrees. The recommended working depth is 10 meters, while the drains rise to 14.5 m. The model is made of a cast-iron body and a motor, which are connected with a clamp. The operation is automatic, starting from a depth of 25 cm, and the crushing of faeces will be down to a diameter of 10 mm.

Pros:

• High productivity at the level of 15 cubic meters. in an hour.
• Excellent corrosion resistance as the best steel and cast iron are used.
• Reliability.
• Efficient as there is a chopper and an adjustable impeller.
• Automatic operation by relay.
• There is a heating protection.
• The operation is very simple.

Minuses:

• Weight 38 kg.
• High cost in the range of 66-72 thousand rubles.

Sololift 2 C-3

Surface model for sewerage, to which you can connect 7 points for the collection of contents. The device is produced and sold in a plastic case paired with a "dry" motor. There is also a level switch and 2 valves. It functions automatically based on depth. As soon as it is 6.5 cm, the device starts, and at 3.5 cm, it turns off. The head of the apparatus is 8.5 meters at a flow rate of 12.4 cubic meters / h. The power of the unit is 0.64 kW. It is recommended to use the technique for contents with temperatures up to 90 degrees.

Pros:

• Automatic operation with a dedicated level switch.
• There is a cutting part.
• Dry motor.
• Easy installation due to its small size and weight of 6.6 kg.
• Sold assembled.
• Works with temperatures up to 90 degrees.
• Unpleasant odors are eliminated due to the ventilation valve.
• The cost is fully consistent with the quality and basic parameters, it will be about 20-22 thousand rubles.

Minuses:

• Noisy work.
• After a while, the float begins to stick as a result of blockages, which leads to the need to clean it.
• Not suitable for the toilet.

Unilift KP 150-A1

Drainage pump made entirely of stainless steel. It is completed with a filter mesh, a check valve. Works automatically with a float, power cable 10 meters. Such a device can be installed permanently or mobile. Recommended for slightly dirty waters up to 50 degrees. Consumption for 1 hour 9 cubic meters. with a head of 5.25 m and a loading depth of up to 10 meters. The power of the device is 0.3 kW. If the described characteristics are not enough, it is recommended to look at an order of magnitude more powerful and efficient - Unilift KP 350-A1, but its price will be 10,000 more.

Pros:

• Automatic operation due to the float.
• Convenient operation.
• Small size 15 × 22 cm and weight 6.3 kg.
• Quiet operation up to 65 dB.
• Large switching limit - 10 mm.
• There is protection against "dry running", overload and overheating.
• The device is made of stainless steel, therefore it does not corrode.
• Maintenance free.
• High degree of reliability and service life from 10 years.

Minuses:

• Weak filter fixation, made with a clamp, so in the event of an impact, it can fall off.
• Relatively high cost within 15,000 rubles.

You can see that there are quite a few types, and the division of pumping equipment into classes greatly simplifies the choice. Each presented option has its own purpose and features, design, principle of operation, therefore, before starting the purchase, it is necessary to determine the main goals for such a technique.