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.
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11″ 3kW Unvented Immersion Heater
£66.15 Incl VAT Part No: WUEIHAdd to basket -
Dual Thermostat Controller
£63.50 Incl VAT Part No: WUEDACAdd to basket -
Cold Water Control Pack 5
£414.82 Incl VAT Part No: WUCWCP5Add to basket -
Cold Water Control Pack 4
£317.52 Incl VAT Part No: WUCWCP4Add to basket -
Cold Water Control Pack 3
£255.60 Incl VAT Part No: WUCWCP3Add to basket -
1″ Anti-Vacuum Valve
£90.96 Incl VAT Part No: WUAVV1Add to basket -
22mm Anti-Vacuum Valve
£34.47 Incl VAT Part No: WUAVVAdd to basket -
22mm Y Strainer Comp x Comp
£20.96 Incl VAT Part No: WTYSAdd to basket -
ACL Wiring Centre LCW1
£29.22 Incl VAT Part No: WTWCAdd to basket -
22mm Thermostatic Mixing Valve (Old Style)
£140.62 Incl VAT Part No: WTTMVSAdd to basket -
Thermostatic Mixing Valve 22mm
£140.62 Incl VAT Part No: WTTMVAdd to basket -
2″ Dial Thermometer
£29.22 Incl VAT Part No: WTHERMAdd to basket -
THERMflow Thermostat
£69.85 Incl VAT Part No: WTCTAdd to basket -
22mm Pressure And Temperature Relief Valve (4.5Bar)
£74.28 Incl VAT Part No: WSUVTP22Add to basket -
3/4″ Check and Expansion Valve 3.5Bar
£74.28 Incl VAT Part No: WSUVERAdd to basket -
2.1Bar Pressure Reducing Valve – Pre 2000 POWERFLOW
£114.08 Incl VAT Part No: WSUPRVAdd to basket -
7″ High Limit Stat for 3kW IH
£21.83 Incl VAT Part No: WSTATH7Add to basket -
11″ High Limit Stat for 3kW I.H
£21.83 Incl VAT Part No: WSTATHAdd to basket -
7″ Control Stat for 3kW I.H
£20.95 Incl VAT Part No: WSTAT7Add to basket -
11″ Control Stat for 3kW I.H
£20.95 Incl VAT Part No: WSTATAdd to basket