
Potterton
Potterton Wiring H.T. RS2Z 5138702
Potterton high-tension wiring lead, part 5138702, for Potterton Commercial Sirius SAT Ra2Z and Rs2Z boilers.
At a glance
- Part type: high-tension wiring lead
£260.89
£217.41 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 Potterton Wiring H.T. RS2Z is a high-tension wiring lead supplied by Potterton Commercial for its Sirius range of commercial gas boilers. It carries the manufacturer part number 5138702 and sits within the boiler's ignition wiring circuit.
Signs this part needs replacing
- The boiler fails to ignite, with no spark at the ignition electrode
- Sparking or arcing is visible or audible from damaged insulation on the lead
- The lead shows cracked, burnt or perished insulation, particularly near the electrode end
- Ignition is intermittent, with the boiler locking out after failed start attempts
- The lead has been disturbed during service and the terminal connections no longer sit securely
Before you order
- Confirm the appliance model is a Potterton Commercial Sirius SAT Ra2Z or Rs2Z
- Check the part number 5138702 against the marking on the existing lead or the appliance documentation
- Inspect the lead routing and electrode connection before fitting to confirm the HT circuit is the source of the fault
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS SAT RA2Z | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS SAT RS2Z | — | — | — |
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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