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I'm shortly going to do a CH system drain.
The conservatory, built on to the house before I bought it, has three rads which seem to be fed from the upstairs pipe work. The pipes in the garage attic come through the house wall, there are feed/return pipes running down to one rad, two pipes running horizonatally above the garage entrance door then down to feed the other two rads which have horizontal pipe runs between them. I can't see any drain valves fitted so when I drain the CH off, the three radiators will not drain because the feed to them is at first floor level.
Screwfix stock drain valves and logic tells me I need to fit two drain valves. I can drain the house pipework through the drain valve on the rad at the front door.
Do I drain the house first, then drain the conservatory rads off some how, then fit the drain valves?
The conservatory, built on to the house before I bought it, has three rads which seem to be fed from the upstairs pipe work. The pipes in the garage attic come through the house wall, there are feed/return pipes running down to one rad, two pipes running horizonatally above the garage entrance door then down to feed the other two rads which have horizontal pipe runs between them. I can't see any drain valves fitted so when I drain the CH off, the three radiators will not drain because the feed to them is at first floor level.
Screwfix stock drain valves and logic tells me I need to fit two drain valves. I can drain the house pipework through the drain valve on the rad at the front door.
Do I drain the house first, then drain the conservatory rads off some how, then fit the drain valves?