The radiator drain off tail piece can be used in combination with the radiator valves to drain an individual radiator or as part of a full system
Altecnic Radiator Drain Off Tailpiece YU-JQAL213HC
Radiator Valves, Thermostatic Radiator Valves
15mm Square Angled Radiator Valve Chrome
Altecnic 15mm Eres Angled Radiator Valve with Drain Off ER-15MMDOVAL
Drayton RT414 Auto Balancing Angled TRV with Lockshield 15mm - 1010560
Radiator - PlumbinBits
Advantage 15mm CP Decorative Corner Rad Valve (Pair). 1032CEM
Darlington Corner Designer TRV & L/S 15mm Chrome/White 54.0007
Salus Thermostatic Radiator Valve/Lockshield 15mm 10mm Angled TRV
Radiator Valves, Radiator Parts & Thermostats, Radiator Valve Caps
Radiator Valves, Thermostatic Radiator Valves
Pegler Terrier Manual Radiator Valve 15mm Chrome Angle WH 367 CP 601028
10mm Drain Off Radiator Valve 1/2 Nut
Radiator Valves - Heating