Andrews
Andrews Screw 18 x 1/2 Inch Z305
Andrews Z305 screw for compatible Andrews water heaters and hot water spares.
At a glance
- Also known as 1824106
Showing prices
£3.18
£2.65 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 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 Z305 is a screw listed for Andrews water heaters and hot water spares. It is a fixing component used within compatible Andrews appliance assemblies. The part is identified by the manufacturer part number Z305.
Signs this part needs replacing
- The screw is missing from its fixing point.
- The screw will not tighten or hold the component securely.
- Visible corrosion or damage to the screw head or threads.
- The screw has been cross-threaded or seized and cannot be removed cleanly.
- A fixing point is loose because the screw no longer clamps correctly.
Before you order
- Confirm the part number Z305 matches the requirement for your Andrews appliance.
- Check the listed size against the screw being replaced: 8-18 x 1/2 or 18 x 1/2 inch as applicable.
- Verify the appliance model against the fit list or the manufacturer's parts list.
- Check whether any associated washers or fixings are also required.
Compliance
| Alternative numbers | 1824106 |
|---|
| 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 70 compatible appliances.
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.
manual
ANDREWS WATER HEATERS appliance manual — CLASSICFLO 10/105, CLASSICFLO 10/145, CLASSICFLO 14/175, CLASSICFLO 15/270, CLASSICFLO 20/360
manualmanualANDREWS WATER HEATERS appliance manual — CLASSICFLO RFF RFF 13/175, CLASSICFLO RFF RFF 18/270
manualmanualANDREWS WATER HEATERS appliance manual — ECOFLO EC230/600 A-B SERIES, ECOFLO EC230/700 A-B SERIES, ECOFLO EC230/960 A-B SERIES, ECOFLO EC380/1220 A-B SERIES, ECOFLO EC380/1400 A-B SERIES, ECOFLO EC380/740 A-B SERIES, ECOFLO EC380/980 A-B SERIES, ECOFLO LEC230/600 A-B SERIES, ECOFLO LEC230/700 A-B SERIES, ECOFLO LEC230/960 A-B SERIES, ECOFLO LEC380/1220 A-B SERIES, ECOFLO LEC380/1400 A-B SERIES, ECOFLO LEC380/740 A-B SERIES, ECOFLO LEC380/980 A-B SERIES
manualmanualANDREWS WATER HEATERS appliance manual — ECOFLO EC230/600 C SERIES (FEB 2014-OCT 2016), ECOFLO EC230/600 D SERIES (OCT 2016-AUG 2017), ECOFLO EC230/600 E SERIES (AUG 2017 ONWARDS), ECOFLO EC230/700 C SERIES (FEB 2014-OCT 2016), ECOFLO EC230/700 D SERIES (OCT 2016-AUG 2017), ECOFLO EC230/700 E SERIES (AUG 2017 ONWARDS), ECOFLO EC230/960 C SERIES (FEB 2014-OCT 2016), ECOFLO EC230/960 D SERIES (OCT 2016-AUG 2017), ECOFLO EC230/960 E SERIES (AUG 2017 ONWARDS), ECOFLO EC380/1220 C SERIES (FEB 2014-OCT 2016), ECOFLO EC380/1220 D SERIES (OCT 2016-AUG 2017), ECOFLO EC380/1220 E SERIES (AUG 2017 ONWARDS), ECOFLO EC380/1400 C SERIES (FEB 2014-OCT 2016), ECOFLO EC380/1400 D SERIES (OCT 2016-AUG 2017), ECOFLO EC380/1400 E SERIES (AUG 2017 ONWARDS), ECOFLO EC380/740 C SERIES (FEB 2014-OCT 2016), ECOFLO EC380/740 D SERIES (OCT 2016-AUG 2017), ECOFLO EC380/740 E SERIES (AUG 2017 ONWARDS), ECOFLO EC380/980 C SERIES (FEB 2014-OCT 2016), ECOFLO EC380/980 D SERIES (OCT 2016-AUG 2017), ECOFLO EC380/980 E SERIES (AUG 2017 ONWARDS), ECOFLO LEC230/600 C SERIES (FEB 2014-OCT 2016), ECOFLO LEC230/600 D SERIES (OCT 2016-AUG 2017), ECOFLO LEC230/600 E SERIES (AUG 2017 ONWARDS), ECOFLO LEC230/700 C SERIES (FEB 2014-OCT 2016), ECOFLO LEC230/700 D SERIES (OCT 2016-AUG 2017), ECOFLO LEC230/700 E SERIES (AUG 2017 ONWARDS), ECOFLO LEC230/960 C SERIES (FEB 2014-OCT 2016), ECOFLO LEC230/960 D SERIES (OCT 2016-AUG 2017), ECOFLO LEC230/960 E SERIES (AUG 2017 ONWARDS), ECOFLO LEC380/1220 C SERIES (FEB 2014-OCT 2016), ECOFLO LEC380/1220 D SERIES (OCT 2016-AUG 2017), ECOFLO LEC380/1220 E SERIES (AUG 2017 ONWARDS), ECOFLO LEC380/1400 C SERIES (FEB 2014-OCT 2016), ECOFLO LEC380/1400 D SERIES (OCT 2016-AUG 2017), ECOFLO LEC380/1400 E SERIES (AUG 2017 ONWARDS), ECOFLO LEC380/740 C SERIES (FEB 2014-OCT 2016), ECOFLO LEC380/740 D SERIES (OCT 2016-AUG 2017), ECOFLO LEC380/740 E SERIES (AUG 2017 ONWARDS), ECOFLO LEC380/980 C SERIES (FEB 2014-OCT 2016), ECOFLO LEC380/980 D SERIES (OCT 2016-AUG 2017), ECOFLO LEC380/980 E SERIES (AUG 2017 ONWARDS)
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