Central heating inhibitor - how to add to sealed system

Joined
3 Aug 2005
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Location
Warwickshire
Country
United Kingdom
Hi,

I want to drain my rads and refill the system with inhibitor - what is the best way to add the inhibitor to the system? Can you get a dosing device that you can leave in the system so every time you change the inhibitor it is eay to add?

Thanks
 
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i believe you re fill it with water, and you "inject" the inhibitor through a rad bleed valve
 
i usually take out a bleed valve completly.....screw in a compression elbow with a short bit of copper in the other end and use a funnel.....with a small pipe..ie earth sleeve down the funnel and into the rad to allow air in and stop is gurgling (and saves taking the other valve out)

jamie
 
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might be the same thing but I got a kit from salamander which is 2 plastic adadptors and a piece of pipe 4" long. Put the tube into a caulking gun, adaptor screws on to the end, other end screws into the filling loop and hey presto there you go.
 

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