Draining radiator, how to open value? | Plumbing Jobs | The Job-board | Plumbers Forums

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gmc

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2
I need to drain my radiators to put inhibitor in . I've located the one and only radiator with a drain tap, but I can't find the value to open the tap.

Looks to be this one:
Radiator Drain Off Valve - 1/2" BSP


But for the life of me I can't work out how you open the value. There is nothing behind the value.

Do you maybe turn the ring at the bottom? I don't want to turn something that's not supposed to be opened.

radiator-drain-off-valve-1-2in-bsp_min_7509_P_1.jpg
 
Undo the spigot eg the barbed bit but the washers prob stuck
 
Thanks, I've unscrewed the spigot. You were right, washer is stuck. :(

No 8 screw into the hole bucket below pull screw out with washer hopefully on then insert barb back in with hose pipe while water is coming out
 

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