EOGB
EOGB Transformer ZT931 110V
110V transformer with 4mm connections for EOGB, Honeywell and Satronic gas boiler applications.
£170.23
£141.86 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 ZT931 is a 110V transformer with 4mm connections, manufactured by EOGB. It is specified for gas boiler applications and is used across EOGB, Honeywell and Satronic controls. The transformer provides the 110V supply required by the appliance control circuit.
Signs this part needs replacing
- Boiler fails to ignite or produce an ignition spark
- Repeated lockouts or ignition fault codes
- Intermittent or no operation of the boiler control circuit
- Visible damage, burning or overheating at the transformer
Before you order
- Confirm the appliance model matches the fitment list
- Check the existing transformer is marked ZT931
- Verify the supply voltage is 110V and the connections are 4mm
- Confirm the transformer is suitable for the gas boiler application
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| EOGB Honeywell - Satronic | — | — | — |
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.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.