Recent content by lukish

Hello, I’ve bought a Vitodens WB1B316 Compact Heat Only Boiler, part no. 7416307, for use on an sealed system, replacing a 17 years old Baxi Potterton Promax 24HE. I'm trying to understand what do I need to get exactly for the Vitodens to work in a sealed system, as I'm supplying all the parts...