No loft tank, but plenty of hot water. Here's how an unvented cylinder does it. Cylinder swap coming up? Give us a try, we won't disappoint… 119 Crossbrook Street EN8 8LY 0208 884 4244 [email protected] Got a cylinder question? Drop it in the comments 👇 #unventedcylinderinstallation #hotwater #plumbing #heating#howitworks #heatingenginner #plumbing