
Andrews
Andrews Relay Control Z309
Relay control for Andrews water heaters, listed for Ecoflo Ec380/1900 and Lec380/1900 A-B series models.
At a glance
- Part type: Relay control
- Also known as 1824110
£143.21
£119.34 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 Andrews Z309 is a relay control for Andrews water heaters. It forms part of the appliance's printed circuit board assembly and handles relay switching within the control circuit. It is listed for use across the Andrews hot water spares range, including Ecoflo Ec380/1900 and Lec380/1900 A-B series models.
Signs this part needs replacing
- The appliance fails to fire or ignite when there is a call for heat.
- Relays click audibly but the burner does not start.
- Intermittent operation, with the appliance cutting out or cycling erratically.
- Hot water or heating output drops or stops with no obvious cause elsewhere.
- Repeated lockouts or fault codes traced to the control board.
Before you order
- Confirm your appliance model against the fit list above.
- Check the existing control board for the Z309 part number marking.
- Isolate the power supply before removing or inspecting the control board.
- If unsure, compare the board layout and connections with the part being replaced.
Compliance
| Alternative numbers | 1824110 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ANDREWS WATER HEATERS ANDREWS HOT WATER SPARES | — | — | — | |
| ANDREWS WATER HEATERS ECOFLO EC380/1900 A-B SERIES | — | — | — | |
| ANDREWS WATER HEATERS ECOFLO LEC380/1900 A-B SERIES | — | — | — |
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.
