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 Immersion Heater
£31.50 Excl. VAT Part No: WIHAdd to basket -
1″ Secondary Return Blanking Plug
£5.05 Excl. VAT Part No: WBP3Add to basket -
Immersion Heater Boss Blanking Plug
£6.89 Excl. VAT Part No: WBP7Add to basket -
27″ 3kW Immersion Heater
£27.57 Excl. VAT Part No: WIH27Add to basket -
18″ 3kW Immersion Heater
£27.57 Excl. VAT Part No: WIH18Add to basket -
6″ 3kW Immersion Heater
£87.28 Excl. VAT Part No: WIH3-6Add to basket -
T-Smart Immersion Heater
£112.50 Excl. VAT Part No: WIHTSAdd to basket -
Stat for WIHLWD
£17.46 Excl. VAT Part No: WSTHTAdd to basket -
Plate Heat Exchanger 200kW
£485.82 Excl. VAT Part No: WCPHE200Add to basket -
Plate Heat Exchanger 150kW
£462.28 Excl. VAT Part No: WCPHE150Add to basket -
Plate Heat Exchanger 100kW
£346.11 Excl. VAT Part No: WCPHE100Add to basket -
Plate Heat Exchanger 50kW
£258.20 Excl. VAT Part No: WCPHE50Add to basket -
Inlet control group set at 3 bar c/w expansion relief valve set at 4.5 bar
£109.81 Excl. VAT Part No: WSUPRVSAdd to basket -
15mm Bent Swivel Ballofix
£13.78 Excl. VAT Part No: WTBFAdd to basket -
15″ 3kW Heavy Duty Titanium Immersion
£78.09 Excl. VAT Part No: WUEIHHDAdd to basket -
11″ 3kW Low Watts Density Immersion Heater
£78.09 Excl. VAT Part No: WIHLWDSAdd to basket -
3/4″ Safety Valve (4.5 Bar)
£230.43 Excl. VAT Part No: WCSV45Add to basket -
3/4″ Safety Valve (3.5 Bar)
£230.43 Excl. VAT Part No: WCSV35Add to basket -
6kW I.H. Control Stat
£33.53 Excl. VAT Part No: WIH6CSAdd to basket -
Plumbing Unit Frame
£185.59 Excl. VAT Part No: WPUFAdd to basket