
Hamworthy
Hamworthy Reliance 1" Pressure/Temperature Relief Valve 531905004
Hamworthy 531905004 Reliance 1" pressure and temperature relief valve (PTEM) for Hamworthy heating appliances.
At a glance
- Also known as 2061406
£575.03
£479.19 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 531905004 is a Reliance 1" pressure and temperature relief valve, designated PTEM. It is fitted to Hamworthy heating appliances and discharges water when system pressure or temperature rises above the valve's set limits, protecting the appliance and associated pipework. It is supplied as a Hamworthy spare part.
Signs this part needs replacing
- Water weeping or dripping from the discharge pipe with the system at normal pressure and temperature
- The valve fails to reseat after discharging, leaving a continuous drip
- Scale, corrosion or debris visible around the valve seat or outlet
- Discharge occurs during normal heating cycles without an overpressure or overheat event
- System pressure drops repeatedly with no other visible leak on the installation
Before you order
- Confirm the appliance model against the manufacturer's parts list
- Check that the valve being replaced is a 1" PTEM pressure and temperature relief valve
- Verify the part number 531905004 matches the valve currently fitted
Compliance
| Alternative numbers | 2061406 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| HAMWORTHY HAMWORTHY SPARE PARTS | — | — | — |
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.
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