15mm Single Check Valve
Does the job, reasonable price
Used in a central heating system to stop a back flow around boiler piping.
Works fine, easy to fit took ten minutes, with a lot more time draining and refilling the system. For which I can't blame the fitting !
As for reliability 48 hours it's a bit hard to judge !
Strange question on something you have just fitted.
26 May 2015
One minor quibble
OK solid check valves, but the rather small flat areas on the barrel sides are not the best I have used for getting a grip on with a spanner or wrench when tightening the compression joints. Aok once fitted.
11 Mar 2015
Does the job but not strong
The valve body is too thin, the ball valve distorts when tightening with spanner, with only a moderate ammount of force. You end up gently squeezing the body with a set of mole grips to reseat the plastic ball inside, its not much, but you can blow through the valve. Once fixed onto the pipework, its a bit of a gamble weather to give it that extra "nip" up.
24 Feb 2015
Check Valve - it works
Good valve fitted a few but unsure on reliability.
23 Nov 2014