Gestra Level Controller for Level Monitoring, NRR2-1b

NRR 2-1b fill or discharge controller enables continuous level monitoring using GESTRA level probes NRG 26 or NRG 21, paired with an electrically actuated control valve. Adjustable switching points allow flexible operation in steam boilers, condensate tanks, and similar vessels. Standard voltage is 230 V, with options for 24 V, 115 V, or 240 V. Compatible with 50/60 Hz frequency and weighs approximately 0.7 kg.