
Andrews
Andrews Expansion Valve Cartridge 7705043
Expansion valve cartridge, part 7705043, for Andrews Classicflo and Ecoflo Compact water heaters.
At a glance
- Also known as 1823278
£87.52
£72.93 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 expansion valve cartridge (part number 7705043) is a serviceable component for Andrews water heaters. It is the replaceable cartridge element of the expansion valve assembly. It is listed for use across the Classicflo and Ecoflo Compact ranges.
Signs this part needs replacing
- Outlet water temperature becomes erratic or difficult to control
- The valve fails to modulate, giving constant flow or no flow through the valve
- Water weeping or dripping from the valve body or cartridge housing
- Scale or debris build-up around the cartridge affecting operation
Before you order
- Confirm your appliance model against the fitment list above
- Check that part number 7705043 matches the cartridge currently fitted
- Isolate the water supply and depressurise the appliance before removal
- Inspect the valve body for wear or damage, as a worn body may require the complete valve
Compliance
| Alternative numbers | 1823278 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ANDREWS WATER HEATERS ANDREWS HOT WATER SPARES | — | — | — | |
| ANDREWS WATER HEATERS CLASSICFLO 10/105 | — | — | — | |
| ANDREWS WATER HEATERS CLASSICFLO 10/145 | — | — | — | |
| ANDREWS WATER HEATERS CLASSICFLO 14/175 | — | — | — | |
| ANDREWS WATER HEATERS CLASSICFLO 15/270 | — | — | — | |
| ANDREWS WATER HEATERS CLASSICFLO 20/360 | — | — | — | |
| ANDREWS WATER HEATERS CLASSICFLO RFF RFF 13/175 | — | — | — | |
| ANDREWS WATER HEATERS CLASSICFLO RFF RFF 18/270 | — | — | — | |
| ANDREWS WATER HEATERS CLASSICFLO RSC RSC 9/145 | — | — | — | |
| ANDREWS WATER HEATERS CLASSICFLO RSC RSC 9/180 | — | — | — |
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.
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