
Hamworthy
Hamworthy By-Pass Solenoid Valve 533903021
Hamworthy by-pass solenoid valve, part 533903021, for LPG propane gas supplies on Hamworthy gas boilers.
At a glance
- Also known as 2062124
£380.23
£316.86 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 533903021 is a by-pass solenoid valve that acts as an active governor on LPG (propane) gas supplies. It is a 1/2 compact automatic gas valve, listed as the second gas valve in the appliance gas train and referenced as SIT Gas Nova 0822-114. It is used on Hamworthy gas boilers, including the Wessex 200HE floor standing range.
Signs this part needs replacing
- Boiler fails to light or locks out during the ignition sequence
- Intermittent or complete loss of gas flow to the burner
- Unstable flame or poor modulation during operation
- Gas valve fault codes or repeated lockouts on the boiler controls
- Audible clicking from the valve without corresponding gas flow
Before you order
- Confirm your appliance model against the fit list above
- Check that the installation is LPG (propane), as this valve is specified for LPG
- Verify part number 533903021 against the manufacturer's parts list for your boiler
- Gas valve work must be carried out by a competent, registered engineer
Compliance
| Alternative numbers | 2062124 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| HAMWORTHY HAMWORTHY SPARE PARTS | — | — | — | |
| HAMWORTHY WESSEX 200HE HIGH EFFICICENCY FLOOR STANDING | — | — | — |
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 technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.
