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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PLATEflow Charging Pump
£371.78 Excl. VAT Part No: WCPFPSAdd to basket -
Byelaw 30 Overflow – CUBEflow
£27.57 Excl. VAT Part No: WPB30CAdd to basket -
Plate Heat Exchanger 260kW
£208.33 Excl. VAT Part No: CL-PHE260Add to basket -
Plate Heat Exchanger 15kW
£58.33 Excl. VAT Part No: CL-PHE15Add to basket -
Dry Trap Tundish
£17.00 Excl. VAT Part No: WUTALTAdd to basket -
14″ 3kW Immersion Heater
£55.13 Excl. VAT Part No: WEIHAdd to basket -
Control Stat for 14″ 3kW I.H.
£17.46 Excl. VAT Part No: WEIHTAdd to basket -
PT1000 Sensor and Cable
£70.00 Excl. VAT Part No: WEC2-1Add to basket -
Flexible Hose
£18.33 Excl. VAT Part No: WTFHAdd to basket -
ELECTRAflow Controller (2021 onwards)
£550.00 Excl. VAT Part No: WEC2Add to basket -
Short Probe Thermostat
£58.32 Excl. VAT Part No: WTCTSAdd to basket -
Thermostatic Mixing Valve 22mm
£117.18 Excl. VAT Part No: WESTMVAdd to basket -
Grundfos 15-14B PM Pump
£100.00 Excl. VAT Part No: MISC0208Add to basket -
24″ 12kW Immersion Heater
£264.60 Excl. VAT Part No: WIH12WRAdd to basket -
21″ 9kW Immersion Heater
£242.55 Excl. VAT Part No: WIH9WRAdd to basket -
19″ 6kW Immersion Heater
£231.53 Excl. VAT Part No: WIH6WRAdd to basket -
Flow Through Expansion Vessel
£187.11 Excl. VAT Part No: WU33FEVAdd to basket -
1 1/4″ Flow Through Valve
£85.05 Excl. VAT Part No: WUALVAdd to basket -
3/4″ Flow Through Valve
£31.18 Excl. VAT Part No: WUALV22Add to basket -
Alloy Combination Tank Lids
From £20.22 Excl. VAT Part No: WU2EV-1Select options