McDonnell & Miller

There are many McDonnell Miller products in our warehouses. Some parts may not be listed in our online inventory. To better help you find the parts you are looking for;
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McDonnell Miller Boiler Controls, Flow Switches, Valves, Liquid Level Controls, and Water Feeders
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FS4-3Z
FS4-3Z McDonnell Miller 1" FLOW SW. W/ANSI TermConn Learn More$225.50 -
FS5-1 McDonnell Miller
FS5-1 McDonnell Miller FLOW SWITCH (LOW FLOW RATE SENSITIVITY) 1" 114780 Learn More$369.75 -
FS5-3/4 McDonnell Miller
FS5-3/4 McDonnell Miller FLOW SWITCH (LOW FLOW RATE SENSITIVITY) 3/4" 114760 Learn More$369.75 -
FS5-D-1 McDonnell Miller
FS5-D-1 McDonnell Miller FS5-1" WITH 2 SPDT SWITCHES 114783 Learn More$463.68 -
FS5-D-3/4 McDonnell Miller
FS5-D-3/4 McDonnell Miller FS5-3/4" WITH 2 SPDT SWITCHES 114763 Learn More$463.68 -
FS5-DS-1 McDonnell Miller
FS5-DS-1 McDonnell Miller FS5-1" WITH 2 SPDT SWITCHES (STAINLESS) Learn More$1,456.92 -
FS5-J-1 McDonnell Miller
FS5-J-1 McDonnell Miller 1" FLOW SWITCH w/BSPT CONNECTIONS 114785 Learn More$354.96 -
FS5-J-3/4
FS5-J-3/4 McDonnell Miller 3/4"FLOW SWITCH,INTL THREADS Learn More$354.96 -
FS5-S-1 McDonnell Miller
FS5-S-1 McDonnell Miller FS5-1" STAINLESS STEEL #114795 Learn More$1,387.15 -
FS5J-3/4 McDonnell Miller
FS5J-3/4 McDonnell Miller BRITISH PIPE THREAD 114765 Learn More$175.97 -
FS6 McDonnell Miller
FS6 McDonnell Miller 1" IN LINE FLOW SWITCH HEAVY DUTY, HIGH SENSITIVITY 115600 Learn More$262.15 -
FS6-1
FS6-1 McDonnell Miller 1"FLOW SW.150# SPDT, #115600 Learn More$560.63 -
FS6-3/4 McDonnell Miller
FS6-3/4 McDonnell Miller IN LINE FLOW SWITCH HEAVY DUTY, HIGH SENSITIVITY 115400 Learn More$560.63 -
FS6-J-1
FS6-J-1 McDonnell Miller 1"intl thread of FS6 #115650 Learn More$538.20 -
FS6-J-3/4
FS6-J-3/4 McDonnell Miller 3/4"INTL THREAD FS6 #115550 Learn More$538.20 -
FS6-W-1 McDonnell Miller
FS6-W-1 McDonnell Miller FS6-1" W/NEMA 4X(WATER DUST TIGHT) 115652 Learn More$301.54 -
FS6-W-3/4 McDonnell Miller
FS6-W-3/4 McDonnell Miller FS6-3/4" W/NEMA 4X (WATER DUST TIGHT) 115651 Learn More$298.06 -
FS7-28 McDonnell Miller
FS7-28 McDonnell Miller REPLACEMENT PADDLE KIT FOR FS7 SERIES INCLUDES 6" 1" PADDLE + SCREW WASHER 306700 Learn More$13.94 -
FS7-28L McDonnell Miller
FS7-28L McDonnell Miller EXTENDED PADDLE FOR FS7-4 337900 Learn More$30.17 -
FS7-28S McDonnell Miller
FS7-28S McDonnell Miller 306800 PADDLE KIT FOR FS7-4S Learn More$18.02 -
FS7-31 McDonnell Miller
FS7-31 McDonnell Miller REPLACEMENT SNAP 307000 Learn More$55.31 -
FS7-4 McDonnell Miller
FS7-4 McDonnell Miller 1-1/4" FLOW SWITCH, LARGE PIPE APPLICATION 119700 Learn More$551.48 -
FS7-4A McDonnell Miller
FS7-4A McDonnell Miller 1-1/4" FLOW SWITCH FOR 119710 Learn More$524.29 -
FS7-4D McDonnell Miller
FS7-4D McDonnell Miller FS7-4 WITH 2-SPDT SWITCHES 119750 Learn More$692.55 -
FS7-4D-S
FS7-4D-S McDonnell Miller 1.25"SS,2-SPDT SW,300#,119760 Learn More$1,099.87 -
FS7-4DF McDonnell Miller
FS7-4DF McDonnell Miller FS7-4 W/2-SPDT SWITCHES FOR SPRINKLER UL 119825 Learn More$337.56 -
FS7-4E McDonnell Miller
FS7-4E McDonnell Miller INDUSTRIAL FLOW SWITCH FOR NEMA-7, NEMA-9 HAZARDOUS AREAS 120100 Learn More$837.90 -
FS7-4EJ
FS7-4EJ McDonnell Miller FLOW SW EXPPROOF/INTTHR 120135 Learn More$804.38 -
FS7-4EL
FS7-4EL McDonnell Miller EXP. PROOF W/LONG PDL 120150 Learn More$837.22 -
FS7-4F McDonnell Miller
FS7-4F McDonnell Miller **** OBSOLETE WITH NO SUB **** 119800 Learn More$263.25 -
FS7-4J
FS7-4J McDonnell Miller 1 1/4 FlowSwtIntThred#120060 Learn More$575.46 -
FS7-4L McDonnell Miller
FS7-4L McDonnell Miller FS7-4 WITH EXTENDED PADDLE ARM 119900 Learn More$608.58 -
FS7-4LJ
FS7-4LJ McDonnell Miller 1 1/4" W/BritishThreads 119980 Learn More$608.58 -
FS7-4S
FS7-4S McDonnell Miller 1.25"S.S.,1000#,SPDT #120160 Learn More$948.02 -
FS7-4SDJ
FS7-4SDJ McDonnell Miller 1.25"SS 2SPDT, 1000# 120174 Learn More$1,099.87 -
FS7-4SE McDonnell Miller
FS7-4SE McDonnell Miller FS7-4E WITH STAINLESS STEEL CONST. 120175 Learn More$1,239.75 -
FS7-4SJ
FS7-4SJ McDonnell Miller 1.25"S.S.,1000#,SPDT #120171 Learn More$948.02 -
FS7-4SW McDonnell Miller
FS7-4SW McDonnell Miller 1-1/4" FLOW SWITCH NEMA-4X STAINLESS 120191 Learn More$1,061.91 -
FS7-4SWJ
FS7-4SWJ McDonnell Miller 1.25"SS,NEMA4,SPDT,1000#120197 Learn More$1,108.08 -
FS7-4W McDonnell Miller
FS7-4W McDonnell Miller 1-1/4" FLOW SWITCH NEMA-4X INDUSTRIAL 120201 Learn More$669.93 -
FS7-4WJ
FS7-4WJ McDonnell Miller 1.25"FLOW SW.W/BSP THREADS Learn More$685.37 -
FS7-4WL McDonnell Miller
FS7-4WL McDonnell Miller FS7-4W WITH EXTENDED PADDLE ARM 120301 Learn More$756.68 -
FS8-W McDonnell Miller
FS8-W McDonnell Miller SPDT 1" GENERAL PURPOSE FLOW SWITCH NEMA-4X 120601 REPLACES FS8-V Learn More$264.13 -
FS8-WG-SL McDonnell Miller
FS8-WG-SL McDonnell Miller 1" FLOW SWITCH W/GOLD PLATED SWITCH CONTACTS, SEALED LEADS NEMA 4X 120604
OBSOLETE
Direct Replacement: FS8-W (USED ON VOLTAGES EQUAL TO OR HIGHER THAN 24VAC)
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FS8-WJ McDonnell Miller
FS8-WJ McDonnell Miller W/BSPT THREADS NEMA-4X 120602 Learn More$284.14 -
FS8-WZ McDonnell Miller
FS8-WZ McDonnell Miller 1" FLOW SWITCH NEMA 4X W/ ANSI TERMINAL CONNECTIONS 120605 Learn More$143.64 -
FS8W-G McDonnell Miller
FS8W-G McDonnell Miller FS8-W WITH GOLD PLATED CONTACTS FOR USE WITH MILLIVOLT SYSTEMS 120603 Learn More$150.83 -
G-2-SS McDonnell Miller
G-2-SS McDonnell Miller GROUND PROBE 24" 179156 Learn More$39.38 -
G-3-SS McDonnell Miller
G-3-SS McDonnell Miller GROUND PROBE 36 INCH 179157 Learn More$60.30 -
G-4-SS McDonnell Miller
G-4-SS McDonnell Miller GROUND PROBE 48" 179158 Learn More$61.34

