Potterton
Potterton Gas Pressure Switch 933902
Potterton gas pressure switch, part 933902, for Potterton Commercial Paramount Two, Three, Four and Five boilers.
At a glance
- Appliance family: Potterton Commercial Paramount Two, Three, Four and Five
£93.50
£77.92 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 gas pressure switch, part number 933902, is a Potterton Commercial boiler spare. It forms part of the pressure proving circuit on Paramount commercial gas boilers, confirming gas pressure is present before the appliance is allowed to proceed through its firing sequence.
Signs this part needs replacing
- The boiler repeatedly locks out during the firing sequence
- The appliance fails to fire even though gas is available at the inlet
- Intermittent lockouts that clear on reset and return
- A lockout or fault indication linked to pressure proving
- The boiler runs only erratically or drops out shortly after ignition
Before you order
- Confirm the part number on the existing switch matches 933902
- Check the appliance model and output against the fit list above
- Verify the switch type and connection arrangement against the fitted item
- Gas-related work must be carried out by a competent, registered engineer
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL PARAMOUNT FIVE - 30 KW | — | — | — | |
| POTTERTON COMMERCIAL PARAMOUNT FIVE - 40 KW | — | — | — | |
| POTTERTON COMMERCIAL PARAMOUNT FIVE - 50 KW | — | — | — | |
| POTTERTON COMMERCIAL PARAMOUNT FIVE - 60 KW | — | — | — | |
| POTTERTON COMMERCIAL PARAMOUNT FOUR - 30 KW | — | — | — | |
| POTTERTON COMMERCIAL PARAMOUNT FOUR - 40 KW | — | — | — | |
| POTTERTON COMMERCIAL PARAMOUNT FOUR - 60 KW | — | — | — | |
| POTTERTON COMMERCIAL PARAMOUNT THREE - 30 KW | — | — | — | |
| POTTERTON COMMERCIAL PARAMOUNT THREE - 40 KW | — | — | — | |
| POTTERTON COMMERCIAL PARAMOUNT THREE - 60 KW | — | — | — |
Showing 10 of 14 compatible appliances.
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.
POTTERTON COMMERCIAL appliance manual — PARAMOUNT FIVE - 30 KW, PARAMOUNT FIVE - 40 KW, PARAMOUNT FIVE - 50 KW, PARAMOUNT FIVE - 60 KW
manualmanualPOTTERTON COMMERCIAL appliance manual — PARAMOUNT FOUR - 30 KW, PARAMOUNT FOUR - 40 KW, PARAMOUNT FOUR - 60 KW
manualmanualPOTTERTON COMMERCIAL appliance manual — PARAMOUNT THREE - 30 KW, PARAMOUNT THREE - 40 KW, PARAMOUNT THREE - 60 KW
manualmanualPOTTERTON COMMERCIAL appliance manual — PARAMOUNT TWO - 30 KW, PARAMOUNT TWO - 40 KW, PARAMOUNT TWO - 60 KW
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