Keep your warranty intact by buying genuine manufacturers spares only through McDonald Water Storage.
Please note that all prices on our online store include VAT and free shipping (for orders over £50) to a mainland UK address, unless otherwise stated. Any additional shipping costs will be shown at the checkout stage of your order process.
- "Lid Vent" is a required field.
- "Inlet Valve" is a required field.
- "Screened Overflow" is a required field.
- "Warning Pipe" is a required field.
- "Tank Outlet" is a required field.
- "Drain Valve" is a required field.
- "Encapsulated Ply Baseboard" is a required field.
- "Lid Mounted Level Switch" is a required field.
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100mm Dial Temperature Gauge (0-120°C)
£48.86 Excl. VAT Part No: WCTGAdd to basket -
14″ 3kW Immersion Heater
£68.25 Excl. VAT Part No: WEIHAdd to basket -
6kW I.H. Control Stat
£48.86 Excl. VAT Part No: WIH6CSAdd to basket -
Alloy Combination Tank Lids
From £26.25 Excl. VAT Part No: Select options This product has multiple variants. The options may be chosen on the product page -
2.1Bar Pressure Reducing Valve – Pre 2000 POWERFLOW
£97.48 Excl. VAT Part No: WSUPRVAdd to basket -
7″ High Limit Stat for 3kW IH
£56.18 Excl. VAT Part No: WSTATH7Add to basket -
15″ 3kW Immersion (STEELflow)
£75.34 Excl. VAT Part No: WUEIHSAdd to basket -
22mm Pressure And Temperature Relief Valve (4.5Bar)
£66.83 Excl. VAT Part No: WSUVTP22Add to basket -
3/4″ x 22mm Expansion Relief Valve (5.0Bar)
£60.02 Excl. VAT Part No: WUVER522Add to basket -
15 x 22mm Tundish – Straight
£32.78 Excl. VAT Part No: WUTUNDAdd to basket -
7″ Control Stat for 3kW I.H
£42.81 Excl. VAT Part No: WSTAT7Add to basket -
6″ 3kW Immersion Heater
£115.50 Excl. VAT Part No: WIH3-6Add to basket -
1″ Anti-Vacuum Valve
£88.59 Excl. VAT Part No: WUAVV1Add to basket -
ELECTRAflow Controller Main PCB
£635.25 Excl. VAT Part No: WECPCB1Add to basket -
4.5″ Plastic Float
£28.99 Excl. VAT Part No: WPF4Add to basket -
Stat for WUEIH
£36.75 Excl. VAT Part No: WSTAdd to basket -
28mm Pressure Reducing Adjust. Valve
£117.91 Excl. VAT Part No: WUVPR1Add to basket -
1 1/4″ Flow Through Valve
£108.62 Excl. VAT Part No: WUALVAdd to basket -
15mm Pressure and Temperature Relief Valve (7.0Bar)
£60.02 Excl. VAT Part No: WUVTP7Add to basket -
1/2″ x 15mm Expansion Relief Valve (3.0 Bar)
£53.21 Excl. VAT Part No: WUVER3Add to basket