Spares And Accessories

McDonald Engineers maintain their superior standards of quality and performance by only using the best hot water heater parts for their hot water cylinders. To ensure that your system continues to operate efficiently we only recommend using genuine McDonald Engineers replacement hot water heater parts and spares.

To place your order simply select from the range below. If you can't find the hot water heater part you are looking for, please call us 01592 611123 and we'll endeavour to find it for you. We can accept most credit or debit card payments. 

Hot Water Heater Parts:

Explore our range of hot water heater parts by simply selecting your preferred category below.

Powerflow Unvented Cylinder 
Thermflow Thermal Store
Electraflow Electric Wet 
Cubeflow Rectangular Tank
Expansion Vessels 

McDonald Engineers: Hot water heater parts for immediate distribution across the UK and Ireland.