MCU901WX-A Mobrey S01DB/F84 TD2RT1-NAA / 2120D2RT1NAA MOBREY VERTICAL BOILER LEVEL SWITCH TYPE: BD07/4 MODEL : ZELU-1R & ZELU-1G POWER : 110VAC MODEL: S36 DA/F84 MSP900SH-A/20 MSP400-R-H-B28 MSP422-28 MSP422-B28 MSP90 MSP900SH-A-20 MSP900SH-A-20 ODW-1A1A OIL DETECTOR Old no: SO1D/F83 - New No: SO1DB/F84 P/N 79510219A