Boiler Controls Electronic & Part
NRR 2-1b

3-position stepping Modulating Level controller
Voltage : 220 V, 50 Hz

Assosiated electronic controller :
Level Probe NRG 26-21
Max-Min limit switch NRS 2-1b
Level transmitter NRT 2-1b
Bar chart indicator URA-2e

U/Boiler Atmindo, Takuma, etc