Hamworthy
Hamworthy Safety Valve 573407179
6 bar safety valve, part 573407179, for Hamworthy Milborne 501 and 502 wall hung condensing boilers.
At a glance
- Appliance family: Milborne wall hung condensing
- Also known as 2064542
£139.64
£116.37 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 Hamworthy 573407179 is a 6 bar safety valve used on Hamworthy gas boilers. It is fitted to the heating circuit and opens to discharge water when system pressure exceeds its set pressure, protecting the appliance and associated components from over-pressurisation.
Signs this part needs replacing
- Water weeping or dripping from the valve outlet with the system cold
- System pressure repeatedly falling and needing frequent top-ups
- Discharge pipe running continuously
- Valve failing to reseat after it has operated
- Scale, corrosion or debris visible around the valve seat or outlet
Before you order
- Confirm your boiler model against the fit list above
- Check that the existing valve is rated at 6 bar
- Verify the part number 573407179 against the manufacturer's parts list for your appliance
Compliance
| Alternative numbers | 2064542 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| HAMWORTHY HAMWORTHY SPARE PARTS | — | — | — | |
| HAMWORTHY MILBORNE 501 WALL HUNG CONDENSING | — | — | — | |
| HAMWORTHY MILBORNE 502 WALL HUNG CONDENSING | — | — | — |
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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