Andrews
Andrews Pressure Switch 7703998
Pressure switch for Andrews water heaters, part number 7703998.
At a glance
- Also known as 1823128
Showing prices
£127.30
£106.08 ex. VAT · VAT at 20%
Available to order · 7 working days
Available to order · 7 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Andrews 7703998 is a pressure switch used in Andrews water heaters. It monitors pressure within the appliance and provides a switching signal to the control circuit. It is listed for Andrews water heaters and the Classicflo RFF range.
Signs this part needs replacing
- Appliance fails to fire or locks out on a call for heat
- Burner ignites intermittently or shuts down shortly after starting
- Fan runs but the appliance does not proceed to ignition
- Fault code or lockout relating to pressure or air proving
Before you order
- Confirm your appliance model against the fit list above
- Check the existing pressure switch part number and connections match 7703998
- Isolate the electrical supply and water before fitting
Compliance
| Alternative numbers | 1823128 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ANDREWS WATER HEATERS ANDREWS HOT WATER SPARES | — | — | — | |
| ANDREWS WATER HEATERS CLASSICFLO RFF RFF 13/175 | — | — | — | |
| ANDREWS WATER HEATERS CLASSICFLO RFF RFF 18/270 | — | — | — |
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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 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.