Thermostat and thermal cutouts accessories, e.g. thermostat wells or knobs.
Holder is an accessory for capillary thermostat and capillary thermal cutout. Install thermostat and thermal cutout on holder to prepare a set for mounting into water heaters.
Washer is accessory for knobs. It is installed on the device control panel or to thermostat holders and provides the fixed point to rotating knob. Important points of control range can be marked on washer.
Knobs are intended for easy setting of required temperature in thermostat control range. Knob is mounted on the regulation screw (diameter 6 mm, milled surface 4.6 mm) and allows to set the temperature in regulated device (e.g. boiler, electric water heater or in oven).