The Worcester Bosch Greenstar 22mm Mini System Filter (190373) is a compact magnetic boiler filter designed to help protect central heating systems from the damaging effects of circulating sludge, magnetite and other system debris. Featuring a powerful internal magnet and magnetic and non-magnetic filtration, it helps capture contaminants before they can build up inside sensitive boiler components.
Designed with installers in mind, this Worcester Bosch Greenstar mini system filter offers flexible installation options, bi-directional flow and a detachable filter body for easier servicing and power flushing. Its isolation valve indicators, accessible drainage point and chemical dosing facility help simplify routine maintenance, making it a practical system protection solution for compatible 22mm heating installations.
22mm Connections Magnetic Filtration Compact Design Bi-Directional Flow Easy Servicing
At a Glance
Applications & Compatibility
The Worcester Bosch Greenstar 22mm Mini System Filter is designed for central heating installations requiring 22mm filter connections. It helps protect boiler systems by capturing magnetic and non-magnetic debris circulating in the heating water.
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Boiler protection: Helps reduce the circulation of magnetic debris and other contaminants that can affect boiler components.
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Central heating systems: Provides filtration for compatible 22mm heating pipework.
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New installations: Can be incorporated into a suitably designed heating system during installation.
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Existing systems: Can be considered when upgrading system protection or replacing a compatible filter.
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Maintenance and servicing: The detachable body and drainage point support easier filter cleaning and servicing.
Installation note:
Check the filter's connection size, available installation space, flow direction requirements and boiler manufacturer's guidance before fitting. The heating system should be properly cleaned and treated with a suitable inhibitor as part of the installation process. Installation and servicing should be carried out by a suitably qualified heating professional.
Key Specifications
| Product Information |
| Product Name |
Worcester Bosch Greenstar 22mm Mini System Filter |
| Brand |
Worcester Bosch |
| Product Code |
190373 |
| Manufacturer Part Number (MPN) |
7733600266 |
| EAN |
5025201687091 |
| Product Type |
Boiler Filter |
| Sub-Type |
Magnetic Filter |
| Connection Size |
22mm |
| Guarantee (Listed) |
2 years |
| Dimensions & Weight |
| Length |
230mm |
| Width |
210mm |
| Height |
145mm |
| Weight |
2.2kg |
Key Features & Benefits
1. Powerful Magnetic Filtration
The high-powered internal magnet captures magnetic debris from circulating heating water, helping protect boiler components from contamination.
2. Magnetic & Non-Magnetic Debris Collection
The filter is designed to collect a wide range of system contaminants, including both magnetic and non-magnetic debris.
3. Flexible Installation Options
Multiple installation positions allow the filter to be fitted above or below the boiler, or remotely, subject to the installation requirements.
4. Detachable Filter Body
The detachable body makes access easier during routine cleaning, servicing and power flushing.
5. Installer-Friendly Maintenance
Isolation valve indicators, a bottom drainage point and a one-way chemical dosing valve help simplify servicing and system treatment.
6. Bi-Directional Flow & Over-Tightening Prevention
Bi-directional flow offers greater installation flexibility, while the over-tightening prevention feature supports correct assembly.
What's Included?
- Worcester Bosch Greenstar 22mm Mini System Filter (190373)
Additional fittings, valves or chemical treatment products have not been confirmed as included. Please check the package contents before ordering.
Who Is This Product For?
This Worcester Bosch Greenstar Mini System Filter is suitable for heating engineers, plumbers, installers and homeowners arranging professional heating system maintenance or upgrades. It is particularly useful for compatible 22mm central heating installations where additional protection against circulating system debris is required.
Installation & Maintenance
- Confirm that the 22mm connection size is suitable for the heating pipework.
- Choose an accessible installation position above or below the boiler, or remotely, as permitted by the installation instructions.
- Follow the manufacturer's guidance for flow direction, isolation and chemical dosing.
- Use the detachable body and drainage point for servicing in accordance with the manufacturer's instructions.
- Maintain appropriate system water quality and inhibitor levels to help protect the heating system.
Frequently Asked Questions
1. What does the Worcester Bosch Greenstar Mini System Filter do?
It filters circulating heating water to capture magnetic and non-magnetic debris, helping reduce contamination reaching sensitive boiler components.
2. What size connections does this filter have?
This model has 22mm connections and is intended for compatible heating pipework.
3. Does the filter collect non-magnetic debris?
Yes. It is designed to collect a wide range of system debris through magnetic and non-magnetic filtration.
4. Can the filter be installed above or below the boiler?
Yes. The supplied product information lists installation options above or below the boiler, as well as remote installation, subject to the manufacturer's instructions and available space.
5. Is the filter easy to service?
Its detachable body, isolation valve indicators and bottom drainage point are designed to make access and routine servicing easier.
6. What is the product code and manufacturer part number?
The product code is 190373 and the manufacturer part number (MPN) is 7733600266. Its EAN is 5025201687091.
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Shop the Worcester Bosch Greenstar 22mm Mini System Filter for practical boiler protection and easier heating system maintenance.
