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 parts.

To place your order simply select from the range below or download our Hot Water Cylinder Parts List. 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 2000+
Powerflow (Pre 2000 models)
Expansion Vessels 
Thermflow
Timesaver
Calorifiers
Miscellaneous

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