GAH
GAH 3 Bar Cartridge (Large)
GAH 3 bar cartridge (large) for unvented hot water cylinders, including Heatrae Sadia Megaflo HE and Thermecon Dualstream.
£163.20
£136.00 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 GAH 3 Bar Cartridge (Large) is a service component for the valve assembly on unvented hot water cylinders. It is rated at 3 bar and is supplied in the large body size. It is used across a range of cylinder platforms, including the GAH Thermecon Dualstream.
Signs this part needs replacing
- Water discharging from the expansion relief valve or tundish as the cylinder heats up
- Unstable or fluctuating hot water pressure at the outlets
- Cylinder pressure running above the 3 bar set point
- Scale build-up or visible damage to the cartridge body
- Dripping from the valve assembly around the cartridge
Before you order
- Confirm the replacement is the 3 bar rated cartridge
- Check the cylinder make and model against the fit list
- Confirm the large cartridge body size matches the one removed
- Inspect the valve assembly for scale or debris before fitting
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GAH Thermecon Dualstream | — | — | — | |
| HALSTEAD Aquastore | — | — | — | |
| HEATLINE Stainless Steel | — | — | — | |
| HEATRAE SADIA Electromax 6kW 180 Litre Radiator ErP | — | — | — | |
| HEATRAE SADIA Electromax 6kW 180L Underfloor ErP | — | — | — | |
| HEATRAE SADIA Electromax 9kW 180L Radiator ErP | — | — | — | |
| HEATRAE SADIA Megaflo (Internal Expansion) | — | — | — | |
| HEATRAE SADIA Megaflo HE Models CL125 HE | — | — | — | |
| HEATRAE SADIA Megaflo HE Models CL145 HE | — | — | — | |
| HEATRAE SADIA Megaflo HE Models CL170 HE | — | — | — |
Showing 10 of 32 compatible appliances.
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.
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