Cap for the thermostat valve of a heating radiator has a limit unit to show the max permitted setting of the rotating cap against the housing together with a pointer and a scale

摘要

The cap for a thermostat valve, at a heating radiator, has a limit unit (9,10) with an indicator (17) to show the position at a scale (8) where the rotating grip (2) has the max. permitted rotation in relation to the housing (3). The pointer (19) is between the two sections (9,10) of the limit.