Ideal
Ideal Solar Controller EC1 174864
Ideal 174864 EC1 solar controller for Ideal solar thermal packs and Thermostore cylinders, managing collector and cylinder temperatures.
At a glance
- Part type: Solar controller (EC1)
- Also known as 1780746
£419.65
£349.71 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 Ideal 174864 is the EC1 solar controller supplied with Ideal's solar thermal equipment. It is the control unit that governs the solar circuit, monitoring collector and cylinder temperatures and switching the solar pump accordingly. It is used across the Ideal solar pack range and the Thermostore cylinder family, and is also listed under the Keston brand.
Signs this part needs replacing
- The controller display is blank, dim or unresponsive when power is present
- The solar pump does not run when the collector is hotter than the cylinder
- Fault or error indication shown on the EC1 unit
- The cylinder fails to gain heat on clear, sunny days
- The collector circuit runs hot or stagnates because the pump is not being switched
Before you order
- Confirm your appliance model against the compatibility list before ordering
- Cross-reference the alternative number 1780746 if you are working from older documentation
- Inspect the controller wiring and temperature sensor connections first, as faults here can mimic a failed controller
- This part is not a gas component and no GC number is listed for it
Mechanical
| Part type | Miscellaneous Parts |
|---|
Compliance
| Manufacturer part number (MPN) | 174864 |
|---|---|
| Barcode / EAN | 5022141748646 |
| Commodity code | 9032 89 00 00 |
| GPC classification | Heating System Controls |
| Alternative numbers | 1780746 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| IDEAL SOLAR PACK 1 (1 COLLECTOR) | — | — | — | |
| IDEAL SOLAR PACK 2 (2 COLLECTORS) | — | — | — | |
| IDEAL SOLAR PACK 3 (3 COLLECTORS) | — | — | — | |
| IDEAL SOLAR THERMSTORE 180 | — | — | — | |
| IDEAL SOLAR THERMSTORE 210 | — | — | — | |
| IDEAL SOLAR THERMSTORE 250 | — | — | — | |
| IDEAL SOLAR THERMSTORE 300 | — | — | — | |
| IDEAL SOLAR THERMSTORE 400 | — | — | — | |
| IDEAL COMMERCIAL IDEAL COMMERCIAL PARTS | — | — | — |
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.
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