Manufacturer Name: Xylem-McDonnell & Miller Product Number: RB-122-E OEM Part Number: RB-122-E Product Description: ( Rb-122 ) 120V Probe Type Low Water Cut Off For Hot Water Boilers Includes Test Weight:2lbs/907.18g The Xylem-McDonnell & Miller RB-122-E is a 120V probe-type low water cut-off designed for hot water systems, available through PartsHnC. This device safeguards... https://www.partshnc.com/rb-122-e-xylem-mcdonnell-miller-rb-122-120v-probe-type-low-water-cut-off-for-hot-water-boilers-includes-test