Johnson & Starley
Johnson & Starley Burner & Gas Control Assembly A4300/0760
Burner and gas control assembly for Johnson & Starley JA33/43 warm air units, part A4300/0760.
At a glance
- Part type: burner and gas control assembly
- Also known as BURNER-ASSY-JA33-43, 1691655
- Work on gas-carrying components must be carried out by a Gas Safe registered engineer
£601.18
£500.98 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 burner and gas control assembly is a Johnson & Starley component that combines the burner head with the gas control section on JA33/43 warm air units. It governs the delivery of gas to the burner and the ignition sequence that follows a call for heat. The assembly is supplied under part number A4300/0760.
Signs this part needs replacing
- The burner fails to light or lights intermittently on a call for heat
- The appliance locks out repeatedly and requires resetting
- Flame is weak, unstable or lifts off the burner head
- Sooting, discolouration or a smell of gas around the burner area
- Gas control section does not respond to the thermostat or control board
Before you order
- Check the appliance data plate and confirm the model is a JA33/43 or JA33/43R variant
- Identify whether the unit is a standard, MAF, MAF VI or Janus water heater version
- Compare the existing assembly against the part number A4300/0760 before ordering
- Work on gas-carrying components must be carried out by a Gas Safe registered engineer
Compliance
| GC number | 232-738 |
|---|---|
| Alternative numbers | BURNER-ASSY-JA33-43, 1691655 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| JOHNSON & STARLEY JA33-43 MAF VI WARM AIR UNIT | 42-417-18 | 42-417-18 | — | — |
| JOHNSON & STARLEY JA33-43 MAF WARM AIR UNIT | 42-417-17 | 42-417-17 | — | — |
| JOHNSON & STARLEY JA33-43 WARM AIR UNIT | 42-417-06 | 42-417-06 | — | — |
| JOHNSON & STARLEY JA33-43-MAF VI WARM AIR UNIT - JANUS WATER HEATER | 43-416-37 | 43-416-37 | — | — |
| JOHNSON & STARLEY JA33-43-MAF WARM AIR UNIT - JANUS WATER HEATER | 43-416-36 | 43-416-36 | — | — |
| JOHNSON & STARLEY JA33-43R MAF VI WARM AIR UNIT | 42-417-21 | 42-417-21 | — | — |
| JOHNSON & STARLEY JA33-43R MAF VI WARM AIR UNIT - JANUS WATER HEATER | 43-416-40 | 43-416-40 | — | — |
| JOHNSON & STARLEY JA33-43R MAF WARM AIR UNIT | 42-417-20 | 42-417-20 | — | — |
| JOHNSON & STARLEY JA33-43R MAF WARM AIR UNIT - JANUS WATER HEATER | 43-416-39 | 43-416-39 | — | — |
| JOHNSON & STARLEY JA33-43R WARM AIR UNIT | 42-417-19 | 42-417-19 | — | — |
Showing 10 of 12 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.
JOHNSON & STARLEY appliance manual — JA33-43 MAF VI WARM AIR UNIT (GC 42-417-18), JA33-43 MAF WARM AIR UNIT (GC 42-417-17), JA33-43 WARM AIR UNIT (GC 42-417-06), JA33-43-MAF VI WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-37), JA33-43-MAF WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-36)
manualmanualJOHNSON & STARLEY appliance manual — JA33-43R MAF VI WARM AIR UNIT (GC 42-417-21), JA33-43R MAF VI WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-40), JA33-43R MAF WARM AIR UNIT (GC 42-417-20), JA33-43R MAF WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-39), JA33-43R WARM AIR UNIT (GC 42-417-19), JA33-43R WARM AIR UNIT - JANUS WATER HEATER (GC 43-416-38)
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