lockshield

We’re recently moved in to a new house, and we have quite a mixture of radiator configurations. What’s this setup? 2 feeds on the left and lockshield in the right. Is there a reason to setup this way? Haven’t come across it before. I’m assuming 1 flow and 2 return.

Hi All, I have this type of lockshield on my radiator, was told the system was fitted in 2003 according to home report. All the other radaitors bar the one in the bathroom have them, think the radiator in the bathroom is new as it has a newer type lockshield/tail. The reason for asking is...

Hi, I'm hoping someone can help point me in the right direction please. Struggling a bit financially at the moment and that's why I'm trying to do this myself, I have no experience of plumbing but mechanically minded, sorry for silly questions. I had it in my mind how to carry this out but I saw...

i've recently balanced my system and learned a bit about inlet/outlet flow, TRVs and lockshields, but something is still bugging me. assuming a system is well balanced, and you're using the TRVs on a towel rail, if you set the TRV to 1 (therefore limiting flow) does this mean that the top rung...

We're having a kitchen extension and our plumber has fitted 2 x vertical radiators. They don't have any cold spots but they aren't getting hot. After doing a bit of research on here, I think the system needs balancing (as some of our radiators are incredibly hot!) The issue is, none of our old...

I want to replace some leaking lockshield valves. The pipe comes out the wall horizontally, which is a pain since a normal lockshield will end up sticking out into the room. The best option I can find is Danfoss RLV-D or RLV-S because there's no handle to stick out. Problem is, I don't know...