The LS1 manual radiator valve is suitable for use in fully pumped systems up to 10 bar static pressure. • Body can be mounted vertically or horizontally • Bidirectional Flow (Either direction through body) • Can be used with Tower radiator thermostat TRV2 • 15mm compression fittings • Supplied with 1/2″ BSP Tailpiece • Supplied with witches hat for lockshield applications • Robust high quality chrome finish • Dual Function, can be used as lockshield or wheel head