solar thermal

Hi All, Can someone help me identificere What size DN pipe diameter the below stainless steel flex hose is? I dont usually work with this type of flex hose and due to the corrigation i am not sure What size annular fitting I need? Is it based on the internal bore size of the external...

Hi Everyone, I was wondering if anyone knows of a way to shorten a flexible stainless steel flex hose for a Vaillant ASHP? I have previously purchased flex connection hoses from Vaillant that could be shortened using a circlip, but it would appear that they have changed their manufacturing...

Hi - first post but thought it was the right place to canvas opinion as I always find myself on here when doing various DIY jobs! I’ve just moved into a house with what I thought was a functioning solar thermal set up. I had no history of the set up when I got the house as the former owner had...

I'm putting in a completely new central heating system to feed radiators (150m2 of house across two floors - about 13 radiators) and provide hot water (1 shower, 4 sinks). For this, I'll be installing a Samsung 12kw Heat Pump and a 20tube solar thermal array (58mm hot tubes with alcohol fill)...