Many wonder which pumps are better, Wilo or Grundfos. If the latter are efficient, reliable and durable, then the former are also inexpensive. Therefore, if you need to arrange water supply, heating or sewage, raise pressure, create circulation, pump out drainage or fecal drains, and do not fly in "a dime", the conclusion suggests itself. We offer a choice of the best Wilo pumps - quality and low-cost models of surface and submersible type.
Top Wilo Surface Pumps
Wilo PB-088EA - a cheap and reliable surface pump for increasing pressure
Wilo high-speed centrifugal pump with single-phase motor and automation unit. In construction: flow switch, 3-position switch, fan.
It is installed in horizontal / vertical position, is connected to the network 220/230 V, is controlled in automatic / manual mode.
It starts up itself when feeding from 2 l / min. Characteristics: maximum head / flow rate - 9 m / 2.4 m3 / h; power - 0.14 / 0.07 kW; working water temperature is from +2 to +60 ° С.
Pros:
- economic efficiency: a highly efficient EI motor is used - only 140 watts are consumed
- corrosion resistance: cast iron body, plastic back wheel, 2 1/2 "bronze nozzles, stainless steel shaft;
- comfortable use: thanks to the flow switch and the “wet rotor”, automatic functioning and low noise (up to 41 dB) are provided;
- simple installation: directly on the pipeline with union nuts;
- compactness (0.18 × 0.11 × 0.21 m) and light weight (3.5 kg) - convenient installation in hard-to-reach places;
- protection against dry running and overheating: performed with pumped liquid, built-in fan and automatic shutdown;
- maintenance (cleaning) is carried out only at reduced performance;
- maintainability: simple construction - easy to repair;
- low price (3.6-4.8 thousand rubles.), 2 years warranty.
Minuses:
- sometimes increased noise (hum);
- no coarse filter reduces durability;
- touching the running pump is fraught with burnout.
Wilo Star-RS 25/4 - an economical and functional surface circulation pump.
Circulation unit with the characteristics: power - 0.048 / 0.0155 kW; boundary pressure / throughput capacity - 4 m / 3 m3 / h; the temperature of the circulating fluid is from –10 to +110 ° С.
Consists of Wilo centrifugal pump, terminal box and single-phase motor, resistant to blocking currents. Equipped with cast iron housing, plastic wheel, metal graphite bearings and stainless steel shaft.
Installation - horizontal, connection - threaded (1 1/2 "), control - 3-step with a switch.
Pros:
- reliability: is provided by a partially perforated shaft and filter in front of the cartridge;
- minimum electricity consumption: 0.028 / 0.038 / 0.048 kW at 2.35 / 2.63 / 2.72 thousand rpm;
- corrosion resistance: all parts are made of stainless materials;
- wide range of working fluid temperature: –10 ... + 110 ° С;
- convenient installation: thanks to turnkey cast iron, two-way cable connection, spring terminals;
- compactness (0.10 × 0.18 × 0.13 m) and light weight (2.4 kg): they simplify mounting in cramped conditions;
- installation features: the terminal box can be located in 4 fixed positions: strictly below, above, left or right;
- quiet operation: thanks to the “wet rotor” noise does not exceed 44 dB;
- low prices (4,2 ÷ 5,8 thousand rubles), 2-year warranty.
Minuses:
- not the most convenient gearshift;
- over time, noise may increase at high speeds;
- rare instances fail prematurely.
Wilo Jet HWJ 20 L 202 - self-priming surface pumping station for the device water system
HC with flange-mounted motor, Wilo centrifugal pump, hydraulic accumulator (20 l) and terminal box. In the design: pressure switch, ejector, thermal relay, condenser, suction and pressure hoses.
Installed horizontally outdoor, connects to a single-phase network, it works automatically. Designed for pumping clean water from a depth of up to 8 m. Characteristics: operating fluid temperature - from +5 to +35 ° C; maximum head / flow - 36 m / 4.5 m3 / h; power - 0.87 / 0.65 kW.
Pros:
- high quality, reliability, durability;
- top of the range: the pump unit is fully ready for installation;
- parts and components of corrosion-resistant materials: stainless steel, graphite, ceramics, special plastic;
- 20-liter hydraulic tank: provides uninterrupted flow, helps reduce the number of inclusions (increases the operating life of the electric motor);
- simple hydraulic / electrical installation (connection dimensions on the pressure and suction side - 1 ");
- relatively small size (0.28 × 0.57 × 0.50 m) and weight (17.1 kg): stationary and portable operation is available, for example, in a garden;
- possibility to replace the tank: from 20 to 50-liter;
- features: the presence of thermal protection and automatic control of the water level;
- acceptable price (12.5-16.2 thousand rubles), 2 years warranty period.
Minuses:
- the noise level is sometimes more than the declared 50 dB;
- the machine may fail due to a power outage;
- short cord: 2m.
Wilo HiSewlift 3-35 - automatic surface sewer installation for pressure discharge of sewage
Sewer unit with the characteristics: maximum pressure / performance - 8 m / 5.2 m3 / h; liquid temperature - + 5 ... + 35 ° С; power - 0.4 kW.
Consists of Wilo pump, electric motor and 17.4 liter tank. Equipped with a cutting nozzle, built-in check valve, carbon filter.
It is completed with inlet (DN 40) and pressure (DN 32) nozzles. Designed for 4 connections, 1 of which to the toilet. Installed horizontally, connects to the network 220/230 V, works in automatic mode.
Pros:
- rationality: appropriate use when it is impossible to install an external gravity sewer;
- practicality: low power consumption, grinding of fibrous fragments, removal of dirty liquid, inclusive of faeces;
- stainless materials: polypropylene (PP, PPGF30, PA / PPO), ethylene-propylene EPDM;
- initial readiness for installation, various connection options;
- carbon filter ventilation: provides clean indoor air with installation;
- quiet operation: the noise level meets European standards (complies with EN 12050-3);
- motor overheating and overflow protection;
- lightness (5.7 kg), compactness (0.19 × 0.25 × 0.51 m) - the device is easily and quickly installed;
- adequate prices (20.6-24.1 thousand rubles.), 2-year warranty period.
Minuses:
- a chopper may clog (depending on the composition of the wastewater);
- sometimes there are not enough openings for connecting all sanitary appliances;
- local smudges are possible over time.
The best submersible pumps Wilo
Wilo Sub TWI 5-306 EM - multistage submersible pump for irrigation and water supply from the well
Wilo multistage pump with single-phase motor and junction box. In the design: filtering glass, discharge pipe (1 1/4 "), mounting eye.
Includes 20-meter cable, polypropylene cable. Protection against leakage provides an oil chamber and mechanical seal.
Installation - vertical, installation - submersible, control - automatic. Characteristics: ultimate pressure / productivity - 65 m / 6 m3 / h; power - 1.2 / 0.75 kW; temperature of transported water - from +3 to +40 ° С.
Pros:
- durability and corrosion resistance: for manufacturing stainless steel, Noryl and SiC are used;
- thermal protection (cooling is performed by the pumped liquid): the motor shuts off when overheated, after cooling it is turned on again;
- insignificant noise level: conforms to the European standards;
- the unit is offered in finished form: it remains only to make all the connections;
- small dimensions (Ø 0.13 × 0.53 m) and moderate weight (17.5 kg): contribute to quick installation;
- simple installation (for a specialist): carried out on the surface or in the submerged state;
- optimal price (22.4-26.1 thousand rubles), 2 years of warranty service.
Minuses:
- sometimes the filter or the working part becomes clogged: permissible sand content is not more than 50 g / m3;
- with significant power surges, the device may fail.
Wilo SUB TWU 4-0210-C - multistage submersible pump for water supply and irrigation from a well
Multistage unit with characteristics: permissible water temperature - from +3 to +30 ° C; boundary pressure / throughput - 68 m / 2 m3 / h; rated power - 0.55 kW.
Consists of a Wilo pump with radial wheels, a single-phase motor with a sealed stator, and a starting box with a power supply cable.
The size of the discharge pipe is 1 1/4 ". It is installed horizontally / vertically: pumps water from a well with a diameter of up to 125 mm. It works from a single-phase network (220/230 V) and is controlled automatically.
Pros:
- the economic electric motor with high efficiency: positively affects utility payments;
- universality: it is available to pump water from a well, the tank, the tank;
- parts made of corrosion-resistant materials: the housing and the shaft of the hydraulic system and the motor are made of stainless steel, the impellers are made of Nory or polycarbonate;
- individual structural advantages: built-in non-return valve, thermal relay, silent motor;
- convenient installation: small sizes (Ø 0.1 × 0.59 m) and weight (11.4 kg) contribute;
- the ability to lift fluid from a 200-meter depth; ease of maintenance;
- reasonable prices (17.2 ÷ 19.8 thousand rubles), 2-year warranty service.
Minuses:
- when the sand content of 50 g / m3 can jam the pump;
- horizontal installation is possible only with a cooling jacket.
Wilo Drain TM 32/7 - an economical submersible pump for draining drainage fluids
Block unit with Wilo pump and single phase motor. In the design: float switch, suction filter, outlet (32 mm), 10-meter cable, ergonomic handle.
Reliability of work is provided by the built-in thermal switch, mechanical seal, oil chamber and cooling jacket. The installation is vertical, the connection is single phase, the operation is automatic.
Characteristics: power - 0.32 / 0.25 kW; maximum head / capacity - 7 m / 8 m3 / h; fluid temperature - from +3 to +35 ° C.
Pros:
- economical power consumption and high efficiency;
- universality: the ability to pump out and clean and dirty liquid in both stationary and mobile mode;
- corrosion-resistant materials of manufacture: different types of plastic and stainless steel, as well as graphite / ceramics;
- automatic operation: ensured by float control of the water level;
- usability and carrying: small size (Ø 0.17 × 0.29 m) and weight (4.7 kg), long power cord (10.0 m);
- relatively quiet operation: thanks to the low-noise wet-rotor motor;
- acceptable price (5.6-6.8 thousand rubles), 2 years warranty.
Minuses:
- in the complete set there is no pressure head union (it is bought optionally);
- not very comfortable dive to the maximum 3-meter depth.
Wilo EMU KS 8 ES - a powerful submersible pump for pumping fecal waste
Submersible unit with the characteristics: maximum head / capacity - 13 m / 23 m3 / h; the working temperature of the effluent is from +3 to +40 ° C; power - 1,1 / 0,75 kW. Consists of a single-phase motor, Wilo pump, discharge pipe (1 1/4 "), starting box, convenient handle.
It has overheating protection.For automatic on / off switch a float is provided. It is installed vertically, it is connected to the network 220/230 V, it functions automatically. The vast majority of used stationary.
Pros:
- full set: before use, only the connection remains;
- the ability of long-term pumping of sewage without interruption;
- high operational characteristics, including a large immersion depth (12.5 m): can be used at local treatment facilities;
- constructional advantages: float switch, split long cable (10/20 m), overheating protection;
- feature: at low water levels, the latter is transported with the air;
- durability: durable stainless materials are used - gray cast iron, stainless steel, aluminum, ceramics / graphite;
- 2-year warranty.
Minuses:
- expensive: 56.6-59.4 thousand rubles;
- relatively large weight (19.0 kg) with small dimensions (0.39 × 0.23 × 0.16 m): it is not very easy to carry and install.
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