SPECIAL OFFERS
Spirotech Spirocombi MB3 22mm Deaeration & Dirt Separation Unit
Spirotech Spirocombi MB3 unit with 22mm connections, combining water deaeration and dirt separation in one fitting.
£197.88
£164.90 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Spirotech Spirocombi MB3 is a combined water deaeration and dirt separation unit for heating systems. It removes dissolved gases and captures circulating dirt particles within a single 22mm fitting, protecting the appliance and system components from the effects of air and magnetite. It is manufactured by Spirotech.
Signs this part needs replacing
- Persistent air noise or gurgling in the system despite correct venting
- Recurring cold spots at radiators that return after bleeding
- Black magnetite sludge visible in filters or at low points
- Corrosion or weeping at the unit's connections
- System water failing to clear after repeated flushing
Before you order
- Confirm the pipework connection size is 22mm before ordering
- Check the model reference on the existing unit against Spirocombi MB3
- Verify the installation position and available clearance for the unit
- Confirm the system type and layout are suitable for a combined deaeration and dirt separation device
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SPECIAL OFFERS Spirotech | — | — | — |
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.