Search results

I don't know on what basis the "lesser build quality " originated from, but I can confirm that if the boilers are not installed correctly as well as any other high efficiency boiler they will give you trouble. The 400 series EcoTec boiler is based on the earlier Ecomax Pro boiler with a...

The Vaillant 637 will do you fine, and the new Ectotec 637 comes with solid copper pipes now, as opposed to the rubber hose's. If you went for a HXI boiler you will have issues with your Installation in relation to the size of your flow and return pipes off the boiler. I would assume that...