Recent content by MilSki

Thanks for all the advice..

2 years ago i replaced my old boiler with a vaillant ecotec 428 boiler. The CH and Hot water system is an open vented one. I don't want to change the boiler, I only want to change the system to a sealed system and get rid of the header tanks in the loft. I not sure if I can do this without...

I've recently renewed my boiler and installed a vented system. Can I convert is into a sealed system without changing the boiler itself. And what items would I need to have changed?