Our low pressure hot water cylinders are New Zealand's traditional electric cylinder. Manufactured in New Zealand since the 1930's an HJ Cooper hot water cylinder is the smart choice if you're looking for a low cost, high efficiency replacement.
Range of sizes
Extensive range of capacities (9-225 L) and sizes means hot water cylinder replacement is easy.
Custom built options available.
No cylinder wraps required, all HJ Cooper hot water cylinders meet NZ MEPS.
MEPS = Minimum Energy Performance Standard
Connection to existing plumbing is easy with triple inlets, just choose left, right, or bottom for your cold water inlet.
Perfect if you need a little extra hot water—four sizes available 9-44 L.
Many wood, pellet fires, or burner systems can have wetbacks fitted to them. A wetback can work as a valuable supplement to your hot water system.