Varios PICO-STG 25/1-8
| Hydraulic data | |
|---|---|
| Maximum operating pressure PN | 10 bar |
| Head max H max | 8.4 m |
| Flow max Q max | 4.4 m³/h |
| Min. fluid temperature Tmin | -20 °C |
| Max. fluid temperature Tmax | 110 °C |
| Min. ambient temperature Tmin | -10 °C |
| Max. ambient temperature Tmax | 40 °C |
| Motor data | |
|---|---|
| Energy efficiency index (EEI) | ≤0.23 |
| Mains connection | 1~230 V ±10%, 50/60 Hz |
| Rated power P2 | 55 W |
| Min. speed nmin | 2695 1/min |
| Max. speed nmax | 4686 1/min |
| Power consumption P1 min | 1 W |
| Power consumption P1 max | 75 W |
| Emitted interference | EN 61000-6-3 |
| Interference resistance | EN 61000-6-2 |
| Electromagnetic compatibility | EN 61800-3 |
| Threaded cable connection | 1 x PG11 |
| Insulation class | F |
| Protection class | IPX4D |
| Materials | |
|---|---|
| Pump housing | Grey cast iron |
| Impeller | PP-GF40 |
| Shaft | Stainless steel |
| Bearing | Carbon, metal-impregnated |
| Installation dimensions | |
|---|---|
| Pipe connection on the discharge side DNd | G 1½ |
| Pipe connection on the suction side DNs | G 1½ |
| Port-to-port length L0 | 180 mm |
Varios PICO-STG 25/1-8
Blocking current-proof motor
Single-phase motor (EM) 2‐pole ‐ 1~230 V, 50 Hz
| Product data | |
|---|---|
| Brand | Wilo |
| Product description | Varios PICO-STG 25/1-8 |
| Article number | 4232743 |
| EAN number | 4048482943688 |
| Colour | Green |
| Minimum order quantity | 1 |
| Date of sales availability | 2019-09-01 |
| Packaging | |
|---|---|
| Packaging type | Cardboard box |
| Packaging property | Sales packaging |
| Pieces per pallet | 198 |
| Number per layer | 24 |
| Dimension, weight | |
|---|---|
| Length with packaging | 194 mm |
| Length L | 180 mm |
| Height with packaging | 105 mm |
| Height H | 94 mm |
| Width with packaging | 174 mm |
| Width W | 140 mm |
| Gross weight, approx. m | 2.3 kg |
| Net weight, approx. m | 2 kg |
High-efficiency pump Wilo-Varios PICO-STG, electronically controlled. Maintenance-free glandless circulator with screwed connection, blocking-current proof synchronous motor according to ECM technology and built-in electronic power control for variable differential pressure control. Can be used for all heating and air-conditioning applications, as well as for solar and geothermal systems.
Standard-equipped with:
- Preselectable control modes for optimum load adjustment:
- Differential pressure constant (Δp-c), 3 pre-defined pump curves
- Differential pressure variable (Δp-v), 3 pre-defined pump curves
- Constant speed (3 speed stages)
- External control by iPWM GT (Heating/Geothermal) or iPWM ST (Solar) signal
- Sync function (manual programming mode) for reprogramming the pump in the event of replacement
- Manual pump venting function for venting the rotor chamber
- Manual restart
- LED display
- Display of selected control mode und pump curve
- Status display during venting and manual restart
- LED coding during the sync function
- Operation and fault display
- Integrated motor protection
- Automatic deblocking function
- Electrical connection cable with 3-pole plug connection and Wilo-Connector
- PWM connection
- Cataphoretically-coated pump housing
| Operating Data | |
|---|---|
| Min. fluid temperature Tmin | -20 °C |
| Max. fluid temperature Tmax | 110 °C |
| Min. ambient temperature Tmin | -10 °C |
| Max. ambient temperature Tmax | 40 °C |
| Maximum operating pressure PN | 10 bar |
| Motor data | |
|---|---|
| Energy efficiency index (EEI) | ≤0.23 |
| Mains connection | 1~230 V ±10%, 50/60 Hz |
| Rated power P2 | 55 W |
| Min. speed nmin | 2695 1/min |
| Max. speed nmax | 4686 1/min |
| Power consumption P1 min | 1 W |
| Power consumption P1 max | 75 W |
| Emitted interference | EN 61000-6-3 |
| Interference resistance | EN 61000-6-2 |
| Electromagnetic compatibility | EN 61800-3 |
| Insulation class | F |
| Protection class | IPX4D |
| Threaded cable connection | 1 x PG11 |
| Materials | |
|---|---|
| Pump housing | Grey cast iron |
| Impeller | PP-GF40 |
| Shaft | Stainless steel |
| Bearing | Carbon, metal-impregnated |
| Installation dimensions | |
|---|---|
| Pipe connection on the suction side DNs | G 1½ |
| Pipe connection on the discharge side DNd | G 1½ |
| Port-to-port length L0 | 180 mm |
| Ordering information | |
|---|---|
| Brand | Wilo |
| Product description | Varios PICO-STG 25/1-8 |
| Net weight, approx. m | 2 kg |
| Article number | 4232743 |
Installation and operating instructions
Wilo-Varios PICO-STG - Quick Guide
| Article Number | 4243954 |
| Edition | 2021-03 |
| Number of pages | 80 |
| Language | bg, cs, da, de, el, en, es, et, fi, fr, hr, hu, it, lt, lv, nl, no, pl, pt, ro, ru, sk, sl, sr, sv, tr, uk |
PDF (8 MB)Wilo-Varios PICO-STG
| Article Number | 4235775 |
| Edition | 2021-03 |
| Number of pages | 32 |
| Language | en |
PDF (5 MB)Group Statement
Group Statement REACH
| Edition | 2021-05 |
| Number of pages | 5 |
| Language | language neutral |
PDF (327 KB)Pipe installation (3) | |||
Screwed connections for circulation pumps with threaded connection. Malleable cast iron screwed connections, inserts with female threads for connection to steel pipes (DIN 2440) with Whitworth pipe threads according to DIN 10226-1. Scope of delivery
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Screwed connection Rp 1 x G 1½, 1 Set | 4092741 | ||
Screwed connections for circulation pumps with threaded connection. Malleable cast iron screwed connections, inserts with female threads for connection to steel pipes (DIN 2440) with Whitworth pipe threads according to DIN 10226-1. Scope of delivery
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Adapter (threaded rings) G 1 ½ to G 2 for circulation pumps with screwed connection for pipe connection DN 25 to pipe connection DN 30. Scope of delivery
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Pipe installation, adapter fitting (9) | |||
The Wilo-RF flanged rings are used for compensation of the port-to-port length in case of a pump replacement. They are provided for length compensation of screw-end pumps to a flange connection. Version as oval flange (DN 25, hole circle Ø 80 mm). Scope of delivery
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Flanged ring RF 9, PN6 | 110679395 | ||
The Wilo-RF flanged rings are used for compensation of the port-to-port length in case of a pump replacement. They are provided for length compensation of screw-end pumps to a flange connection. Version as round flange. Scope of delivery
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Flanged ring RF 13, PN6 | 110679498 | ||
The Wilo-RF flanged rings are used for compensation of the port-to-port length in case of a pump replacement. They are provided for length compensation of screw-end pumps to a flange connection. Version as round flange. Scope of delivery
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The Wilo-RF flanged rings are used for compensation of the port-to-port length in case of a pump replacement. They are provided for length compensation of screw-end pumps to a flange connection. Version as round flange. Scope of delivery
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The Wilo-R threaded adaptors are used for compensation of the port-to-port length in case of a pump replacement. They are made of grey cast iron and are provided for length compensation of threaded pipe adaptors. Scope of delivery
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Threaded adapter R 6, GG | 110678493 | ||
The Wilo-R threaded adaptors are used for compensation of the port-to-port length in case of a pump replacement. They are made of grey cast iron and are provided for length compensation of threaded pipe adaptors. Scope of delivery
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Threaded adapter R 1, GG | 110786891 | ||
The Wilo-R threaded adaptors are used for compensation of the port-to-port length in case of a pump replacement. They are made of grey cast iron and are provided for length compensation of threaded pipe adaptors. Scope of delivery
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Threaded adapter R 7, GG | 110787094 | ||
The Wilo-R threaded adaptors are used for compensation of the port-to-port length in case of a pump replacement. They are made of grey cast iron and are provided for length compensation of threaded pipe adaptors. Scope of delivery
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The Wilo-R threaded adaptors are used for compensation of the port-to-port length in case of a pump replacement. They are made of grey cast iron and are provided for length compensation of threaded pipe adaptors. Scope of delivery
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Thermal insulation (1) | |||
Appropriate thermal insulation shell for on-site thermal insulation of the pump housing for heating applications. Suitable for screwed-version single pumps with an installation length of 130 mm and 180 mm.
Processing notes With on-site thermal insulation, the pump housing can only be isolated up to the separating gap to the motor (not the motor), the condensate drainage outlets must not be covered! Scope of delivery
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Pump control (1) | ||
Timer switchgear for wall fixation for the automatic, time-dependent activation/deactivation of Wilo single pumps with single-phase or three-phase motor. Switching function
Time switch Battery backup: 100 hours/rechargeable Ni-MH battery (button cell, type V80H). Clock precision: ±1 s per day Direct connection for single-phase current (1~) for pumps without thermal winding contacts (WSK). For pumps for three-phase current (3~) or single-phase current (1~) with WSK, only together with SK 602N/ SK 622N or contactor. Scope of delivery
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Plug (4) | ||
As a substitute for the Wilo-Connector for the electrical connection of a high-efficiency pump (1~230V) in installation situations where space is restricted. The angle plug, angled to the left, has a permanently attached (cast) 2 m connection cable with free cable ends for downstream mains connection. | ||
For the electrical connection of high-efficiency pumps with Wilo-Connector connection. The Wilo-Connector is pre-assembledwith a 2 m connection cable 3 x 0.75 mm² with a shockproof plug for downstream mains connection. Scope of delivery
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Control cable for connection to the PWM interface of the pump. 2-wire cable, length 2 m, with plug and bare cable end with ferrules. | ||
Bidirectional control cable for connection to the iPWM interface of the pump. 3-wire rope, length 1 m, with plug and bare cable end with ferrules. | ||
With Wilo as your partner, you can not only be sure of choosing high-quality product solutions, but also of benefiting from a comprehensive, worry-free package of well thought-out services. We collaborate to develop a service concept tailored to your individual needs; with our expertise and personal consultancy, we make sure that the operation of your systems is as energy-efficient, reliable and economical as possible. All the while our competent Wilo service technicians are ready to assist you with fast, reliable and on-time support.
Recommended services | |||
 Wilo-Live Assistant | Wilo-Live Assistant Service | 2216415 | |
The Wilo-Live Assistant is a technical advisor at your side during pump service. By using the Wilo-Live Assistant, our expert advisers can support you in the boiler or equipment room via video transmission – live and in real time. You use your smartphone to show the installation set-up, while the Wilo expert follows everything on their screen. They can see the components as well as other details and can thus determine where the fault or breakdown originates. We prevent downtime and ensure operational reliability of your pumps and systems! The Wilo-Live Assistant includes:
| |||
 System Optimisation | System Optimisation Glandless pumps | 2219250 | |
The Wilo Service offers proactive system optimisation by optimising settings and doing minor adjustments to ensure operational reliability. System Optimisation includes among others:
| |||
 Energy Solutions | Energy Solutions Glandless pumps | 2219285 | |
Wilo Service offers a proactive support to point out possible energy savings. Our service creates an overview of all installed assets to show how the energy consumption of pumps or systems can be reduced. We offer targeted consultancy and analysis, including the involvement of subsidies as well as comprehensive support around the changeover to high-efficiency technologies. Wilo-Energy solution includes:
| |||
More suitable services | |||
 Extended Warranty | Extended Warranty Glandless pumps | 2219589 | |
In combination of a new pump or system Wilo offers an extended warranty of up to five years in combination with commissioning and maintenance by the Wilo Service. Extended warranty includes:
| |||
 Supervision | Supervision Glandless pumps | 2219320 | |
Wilo supports during the concept phase to ensure quality work and cost efficiency. Our competent and qualified Wilo Service will support you with recommendations and technical advice throughout the entire project. Supervision includes:
| |||
 Installation | Installation Glandless pumps | 2219355 | |
The Wilo service offers installation of our pumps or pumping systems. We offer an end-to-end process from gathering information on site to installing our product in the overall plant. An optimal installation set-up and the interaction of various individual factors lay the foundation for long-term operational safety. Installation includes:
| |||
 Commissioning | Commissioning Glandless pumps | 2219390 | |
For perfect functioning of the pump(s) / system(s), it is recommended to have the commissioning carried out by the works' own WILO SE Customer Service Department. Optimum setting and efficient operation of the system are ensured as a result. Commissioning is comprised of the following points:
The price for commissioning only applies to system(s) which have been installed in accordance with the installation and operating instructions and state-of-the-art technology. No costs for any materials which may be required are included. | |||
 Maintenance | Maintenance BASIC Glandless pumps | 2219530 | |
In order to ensure and guarantee operational reliability of the pumps/systems, it is recommended to have regular and DIN-compliant inspections and maintenance carried out by the works' own WILO SE Customer Service Department. The tasks are carried out in accordance with DIN 31051 / DIN EN 13306. The tasks comprise the following points:
Scheduling and organisation is performed by WILO. Other individual maintenance offers are possible on request. | |||
Maintenance COMFORT Glandless pumps | 2219416 | ||
In order to ensure and guarantee operational reliability of the pumps/systems, it is recommended to have regular and DIN-compliant inspections and maintenance carried out by the works' own WILO SE Customer Service Department. The tasks are carried out in accordance with DIN 31051 / DIN EN 13306. The tasks comprise the following points:
Scheduling and organisation is performed by WILO. Other individual maintenance offers are possible on request. | |||
Maintenance PREMIUM Glandless pumps | 2219545 | ||
In order to ensure and guarantee operational reliability of the pumps/systems, it is recommended to have regular and DIN-compliant inspections and maintenance carried out by the works' own WILO SE Customer Service Department. The tasks are carried out in accordance with DIN 31051 / DIN EN 13306. The tasks comprise the following points:
Scheduling and organisation is performed by WILO. Other individual maintenance offers are possible on request. | |||
 Repair | Repair Glandless pumps | 2219609 | |
Wilo Service draws on their competence and experience while consulting on site to decide whether the pump can actually be repaired on site or has to be sent in for a factory repair. Wilo also provides spare parts or a replacement pump to restore the operational reliability of the system. Repair includes:
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