
Altecnic
Altecnic Matrix Midi 150D Twin Pump 3.5 Bar Digital Pressurisation Unit 121-1012
Twin pump digital pressurisation unit from the Altecnic Matrix Midi 150D range, rated at 3.5 bar.
£4,160.62
£3,467.18 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 Altecnic Matrix Midi 150D is a twin pump digital pressurisation unit rated at 3.5 bar. It is part of the Altecnic Matrix range of pressurisation units and uses two pumps with digital control to hold system pressure in sealed heating installations. The unit is identified by part number 121-1012.
Signs this part needs replacing
- System pressure falls repeatedly and needs manual topping up
- The unit runs constantly or cycles far more often than normal
- Pump noise, vibration, or one of the two pumps failing to run
- Water leaking from the unit body or its connections
- Fault indication shown on the digital display
Before you order
- Confirm the installed unit is an Altecnic Matrix Midi 150D and that a 3.5 bar set pressure matches the system requirement
- Check whether the installation calls for a twin pump unit rather than a single pump version
- Verify the part number 121-1012 against the unit being replaced
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALTECNIC Matrix pressurisation units | — | — | — |
Documents & drawings
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No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
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