Does new boiler mean I can have hot water cylinder?
You have to by law have a high efficiency condensing boiler when replacing either a gas or oil fired boiler, this does not need to be a combination boiler and can be a regular boiler with hot and cold water tanks, the new boiler must conform to a SEDBUK A or B rating (A being the more efficient) and it must be installed by an Oil Firing Technical Association (OFTEC) registered installer because it has to be tested for it`s efficiency before a certificate can be given and the installer with the correct training and installer I.D. will give you this, a new and different type of flue must also be installed at the same Time. A combination boiler is really only suitable for small properties, especially if you use a shower that is run off of the hot water system (changes in temperature whilst in use because another tap was turned on) with a regular boiler you do not have this problem provided that the water for the shower is taken directly from the hot water tank, so the answer to your quest
