Thermostat valve head for heating appliances, with valve side connection and operating ring

摘要

The valve side connection (1) has an indicator (2) for its turning position, and rotary operating ring (3) which has markings (4) indicating its turned position. A plastics cap (6) facing away from the valve (5) is closed on its outer peripheral surface (7) and grips round a temperature displacement pickup (8). The inner peripheral surface of the cap, near the temperature displacement pickup, is smooth or has low axial ridges. The end side (11) of the cap facing away from the valve is closed or has openings (12) into which fit the pins (13) of a lid (14) covering the end side.