Alpha
Alpha Expansion Relief Valve 4 Bar 6.0001042
A 4 bar expansion relief valve for Alpha Combi MAX 350 and Combi MAX 600 gas boilers, part number 6.0001042.
At a glance
- Also known as EXPANSION-RELIEF-VALVE-40-BAR-350600-COMBIMAX, 1250752
£33.77
£28.14 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 Alpha 6.0001042 is a 4 bar expansion relief valve used in Alpha gas boilers. It sits within the pressure relief and safety valve group and opens at its set pressure to discharge excess pressure, protecting the boiler and the heating circuit.
Signs this part needs replacing
- Water weeping or dripping from the discharge pipe while the system is below the set pressure
- System pressure repeatedly falling and needing frequent top-ups
- Scale, corrosion or debris visible around the valve seat or outlet
- Valve failing to reseat, or discharging continuously
- Boiler locking out or displaying a low-pressure fault
Before you order
- Confirm your appliance is an Alpha Combi MAX 350 or Combi MAX 600
- Check the existing valve is rated at 4 bar
- Verify part number 6.0001042 against the manufacturer's parts list for your model
Compliance
| Alternative numbers | EXPANSION-RELIEF-VALVE-40-BAR-350600-COMBIMAX, 1250752 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA COMBI MAX 350 | — | — | — | |
| ALPHA ALPHA COMBI MAX 600 | — | — | — | |
| ALPHA COMBI MAX 350 | — | — | — | |
| ALPHA COMBI MAX 600 | — | — | — |
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.
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