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″ Control Stat for 3kW I.H
£42.81 Excl. VAT Part No: WSTATAdd to basket -
30-90C Control Thermostat
£49.80 Excl. VAT Part No: WNCTAdd to basket -
Plate Heat Exchanger 100kW
£409.50 Excl. VAT Part No: WCPHE100Add to basket -
22mm Pressure Reducing Valve (2.1Bar)
£90.67 Excl. VAT Part No: WUVPRAdd to basket -
21″ 9kW Immersion Heater
£359.73 Excl. VAT Part No: WIH9WRAdd to basket -
4.5″ Copper Float
£35.61 Excl. VAT Part No: WPF4CAdd to basket -
15″ 3kW Heavy Duty Titanium Immersion
£81.97 Excl. VAT Part No: WUEIHHDAdd to basket -
15mm Pressure And Temperature Relief Valve (4.5Bar)
£73.50 Excl. VAT Part No: WSUVTPAdd to basket -
3/4″ x 22mm Expansion Relief Valve (3.5Bar)
£60.02 Excl. VAT Part No: WUVER322Add to basket -
6kW Immersion Heater + Stat
£190.47 Excl. VAT Part No: WIH6Add to basket -
19″ 6kW Immersion Heater
£343.35 Excl. VAT Part No: WIH6WRAdd to basket -
Plate Heat Exchanger 200kW
£643.65 Excl. VAT Part No: WCPHE200Add to basket -
Stat for WIHLWD
£41.55 Excl. VAT Part No: WSTHTAdd to basket -
Short Probe Thermostat
£63.43 Excl. VAT Part No: WTCTSAdd to basket -
22mm Pressure and Temperature Relief Valve (7.0Bar)
£66.83 Excl. VAT Part No: WUVTP722Add to basket -
27″ 3kW Immersion Heater
£52.50 Excl. VAT Part No: WIH27Add to basket -
22mm x 22mm Tundish – Straight
£31.50 Excl. VAT Part No: WTSGAdd to basket -
14″ 3kW Immersion Heater
£68.25 Excl. VAT Part No: WEIHAdd to basket -
3/4″ Check and Expansion Valve 3.5Bar
£66.83 Excl. VAT Part No: WSUVERAdd to basket -
Water Heater Timer Control
£195.50 Excl. VAT Part No: WTE7Add to basket