Johnson & Starley
Johnson & Starley Transformer Panel Assembly MAF B500-0530005
Transformer panel assembly (MAF) for Johnson & Starley warm air units and air heater convectors, supplied without module and clock.
At a glance
- Part type: transformer panel assembly (MAF)
- Also known as 1691399
£270.66
£225.55 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 transformer panel assembly (MAF) is an electrical control panel manufactured by Johnson & Starley for use in its warm air units and air heater convectors. It carries the transformer that supplies the low-voltage control circuit, and is supplied without the module and clock. It is a service part for the MAF panel arrangement on the appliances listed below.
Signs this part needs replacing
- The appliance fails to power up or the control circuit has no low-voltage supply
- Repeated fuse failure on the panel circuit
- Transformer overheating, buzzing or a burning smell from the panel area
- Visible scorching, discolouration or heat damage on the panel or its terminations
- Intermittent operation traced to the panel rather than the module or clock
Before you order
- Confirm the appliance model against the fit list above
- Check whether your existing panel includes a module and clock, as this assembly is supplied without them
- Inspect the existing panel and wiring for damage that may also require attention
- Have the manufacturer part number B500-0530005 to hand when ordering
Compliance
| GC number | 245-080 |
|---|---|
| Alternative numbers | 1691399 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| JOHNSON & STARLEY HISPEC J50 WARM AIR UNIT | 42-451-13 | 42-451-13 | — | — |
| JOHNSON & STARLEY JB40-50 WARM AIR UNIT | 42-417-65 | 42-417-65 | — | — |
| JOHNSON & STARLEY JGD25 MKIII CF AIR HEATER CONVECTOR | 42-416-21 | 42-416-21 | — | — |
| JOHNSON & STARLEY JOHNSON AND STARLEY HISPEC J50 | — | — | — | |
| JOHNSON & STARLEY JOHNSON AND STARLEY JB40-50 | — | — | — |
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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