Tell us about the cylinder that's there now and our replacement tool shows the World Heat cylinder to replace it with, and whether it's a straight swap.
Replacing an old cylinder? Our new replacement tool takes the guesswork out of it.
Enter the capacity, height, diameter and type of the cylinder that's there now, and it shows the World Heat cylinder to replace it with, what's different about it and whether it's a straight swap.
It covers our unvented, stainless vented and cased vented cylinders.
Where to find it
Go to Replace an existing cylinder.
You'll find all of our calculators and finders together on the design tools page. If you'd like a hand with a result, our technical team is always happy to check it for you.