GESTRA NR16-50 1000mm Steam Boiler Water Level probe

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GESTRA NR16-50 1000mm Steam Boiler Water Level probe The level electrodes NRG 1...-50 are used in conjunction with level switch NRS 1-50 as water level limiters for steam boiler plants and (pressurised) hot water installations. Water level limiters switch off the heating when the water level falls below the set minimum level (low water). Please allow 2-3day delivery