Potterton
Potterton Non Return Valve G1 F-F 5138695
Potterton non-return valve with G1 female-to-female connections, used on Potterton Commercial Sirius boilers.
£53.10
£44.25 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 Non Return Valve G1 F-F is a Potterton isolation component supplied as a boiler spare for Potterton Commercial appliances. It uses G1 female-to-female threaded connections and allows flow in one direction only, preventing backflow through the pipework it is fitted to. The part carries the manufacturer part number 5138695.
Signs this part needs replacing
- Flow passing in the wrong direction through the valve, indicating the internal seating is no longer closing
- Intermittent or unstable flow readings across the valve position
- Noise or chatter from the valve body during operation
- Dampness or weeping at either threaded connection
Before you order
- Confirm the connection size and thread form on the existing valve match G1 female-to-female
- Check the appliance model against the fitment list above before ordering
- Inspect the surrounding pipework and seals for condition, as these may also need attention
- Have the manufacturer part number 5138695 to hand when checking the order
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS SAT R2Z | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS SAT RA2Z | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS SAT RS2Z | — | — | — |
Documents & drawings
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