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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PT1000 Sensor and Cable
£96.60 Excl. VAT Part No: WECPROBEAdd to basket -
28mm Zone Valve
£101.83 Excl. VAT Part No: WUEMZV28Add to basket -
Flow Through Expansion Vessel
£262.50 Excl. VAT Part No: WU33FEVAdd to basket -
Dry Trap Tundish
£0.00 Part No: WUTALTAdd to basket -
22 x 28mm Tundish – Compression
£39.59 Excl. VAT Part No: WUTUND1Add to basket -
15mm Bent Swivel Ballofix
£28.99 Excl. VAT Part No: WTBFAdd to basket -
Cold Water Control Pack 3
£206.45 Excl. VAT Part No: WUCWCP3Add to basket -
15mm Auto Air Vent (Bottle Type)
£35.61 Excl. VAT Part No: WP15AAVAdd to basket -
Cold Water Control Pack 5
£329.05 Excl. VAT Part No: WUCWCP5Add to basket -
PW2250.INS/2 2250 litres AG/AF Airgap
£2,927.99 Excl. VAT Part No: PW2250.INS-2.AGAdd to basket -
PW251.INS/2.AB3 251 litres AB/CAT5 Airgap – FVH
£1,265.99 Excl. VAT Part No: PW251.INS-2.AB3Add to basket -
PW1000.INS/2.AB4 1000 litres AB/CAT5 Airgap – FVH
£2,159.80 Excl. VAT Part No: PW1000.INS-2.AB4Add to basket -
Remote Boost Button
£75.34 Excl. VAT Part No: WERBBAdd to basket -
PW1501.INS 1500 litres AG/AF Airgap
£1,975.52 Excl. VAT Part No: PW1501.INS.AGAdd to basket -
Plumbing Unit Frame
£181.29 Excl. VAT Part No: WPUFAdd to basket -
ELECTRAflow Controller (2021 onwards)
£467.22 Excl. VAT Part No: WEC2Add to basket -
PW2501.INS/2 2500 litres AG/AF Airgap
£3,560.61 Excl. VAT Part No: PW2501.INS-2.AGAdd to basket -
DN20 Pressure and Temperature Relief Valve
£346.50 Excl. VAT Part No: WUVTP20-45Add to basket -
PW1050.INS/2.AB4 1050 litres AB/CAT5 Airgap – FVH
£2,870.73 Excl. VAT Part No: PW1050.INS-2.AB4Add to basket -
PW2000.INS 2000 litres AG/AF Airgap
£2,082.51 Excl. VAT Part No: PW2000.INS.AGAdd to basket