GESTRA NRS1-54 Steam Boiler Water Level Equipment 24Vdc The level switch NRS 1-54, NRS 1-55 in conjunction with level electrodes NRG 16-.. and ER 5. is used as water level controller, for instance in steam boilers and (pressurized) hot-water installations. The level switch detects and indicates in addition a MIN or a MAX water level. The level switch can work with following level electrodes: NRG 10-52, NRG 16-52, NRG 16-36, NRG 16-4 and ER 5.-1. Please allow 2-3day delivery
