What side of the radiator is the lockshield valve

I have always worked with heating systems on the basis that a TRV or standard valve is fitted to the flow side of the rad and lockshield on the . The pipe to the feed side is hot but only upto the lockshield valve. It got me thinking, should the lockshield be on the feed and the manual adjust .

Lockshield Valve MUST be on Radiator Output? Dec 2011Balancing radiators when fitted with TRV's on Rad outletspostsJan 2011Thermostat controlled radiators plumbed in wrong way. The valve on the flow side should be fully open.

TRV Continuously Shutting Radiator OffpostsDec 2013balancing radiator, old subject but questionpostsDec 2006More from forums.

Radiator Valve Guide - BestHeating. In principle balancing involves using the lockshield valve to restrict the flow of . Radiators all on, lovely jubly, the entire house is warm. Hopefully our Radiator Valves Explained Guide explains everything you need. A straight radiator valve could be used if your radiator had the valve inlets at the back rather than the side of the radiator and your pipework . When the radiators are cool, switch the heating back on and go to the first radiator on your list.

Turn the lockshield valve clockwise until it is closed and then open . The TRV can be installed on either side of the radiator, in a vertical or horizontal position, as shown at left. On the lock shield side there is no insert and when I screw the.

I got from Wickes does it matter which side the bleed valve goes.