Wilo Varios PICO STG 25/1-7 130 Most Versatile Replacement Pump 1x230V Circulating Pump PK25/337
- A few left in stock!
Wilo-Varios PICO-STG – The most versatile replacement pump ever
The Wilo-Varios PICO-STG is the universal replacement solution for heating, air conditioning, and cooling applications in single and two-family homes. Thanks to its flexible application possibilities, it is also ideal for solar and geothermal systems. With its compact design, the Wilo-Connector, and the Molex connection, installation is quick and uncomplicated.
The pump can be optimally adapted to the respective application via three power levels – alternatively, it automatically adopts the characteristic curves of the old pump with the Sync Assistant. Intelligent protection functions such as dry-running protection and an automatic deaeration and restart function ensure continuously safe and low-maintenance operation.
Your benefits
- Universally applicable for heating, air conditioning, cooling, solar, and geothermal applications
- Easy and quick installation thanks to compact design, Wilo-Connector, and Molex connection
- Flexible commissioning via 3-stage power adjustment or adoption of the old pump's characteristic curves
- iPWM control for heating boilers as well as solar and geothermal applications
- High operational reliability due to dry-running protection and automatic deaeration
- Maintenance-friendly due to manual and automatic restart functions
Design
Wet-runner circulation pump with screw connection, blockage-current resistant EC motor and integrated electronic power control.
Applications
- Hot water heating systems of all types
- Air conditioning systems and industrial circulation systems
- Primary circuits in solar and geothermal systems
Features and Functions
Operating modes
- Constant differential pressure (3 curves)
- Variable differential pressure (3 curves)
- Constant speed (3 stages)
- External control via iPWM signal
- iPWM GT (Heating/Geothermal)
- iPWM ST (Solar)
Manual functions
- Selection of operating mode and pump power
- Setting of constant speed
- Activation of the Sync function and LED coding
- Deaeration function and manual restart
Automatic functions
- Automatic restart
- Deaeration and protection routines
Reporting and display functions
- Display of control type, characteristic curve, and Sync function
- Status display for restart/deaeration
- Operating and fault display
Equipment
- Cataphoretically coated pump housing
- Wrench flats on the pump body
- 3-pin pump plug with Wilo-Connector
- iPWM connection
- Integrated particle filter
- Wilo Varios PICO STG 25/1-7 130
- Article No.: 4215541
- Voltage: 1 x 230 Volt
- Frequency: 50 Hz
- Pressure: 10 bar
- Head: 7m
- Connection thread: 1 inch
- Installation length: 130 mm
- Condition: new (original packaging)
- Our item number: PK25/337
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Further information
- Manufacturer: Wilo
- Installation length: 130 mm
- Condition: new
- Pipe connection: G 1" (33.3mm)
Secure shopping
All electrical equipment has undergone a VDE safety inspection.
Delivery & Shipping
- Austria: 1-2 working days
- Germany: 2–3 working days
- Europe-wide: 3–5 working days
Note:
For freight forwarding goods from 40 kg, the delivery time is 3–5 working days.

