Switches
Control Parts

McDonnell & Miller Switches

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  1. McDonnell and Miller 354086 model SWA-150S-M-MD switch assembly.
    List Price $510.00 $390.74  / each
    SKU: MM354086
    Ships within 4 weeks
    McDonnell & Miller 354086 model SWA-150S-M-MD snap-action switch assembly with manual reset and maximum differential operation for Series 150S and Series 157S low water cut-offs. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 354086
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    List Price $510.00 $390.74  / each
  2. McDonnell and Miller 354087 model SWA-158S-M snap-action switch assembly.
    List Price $510.00 $390.74  / each
    SKU: MM354087
    Ships within 4 weeks
    McDonnell & Miller 354087 model SWA-158S-M snap-action switch assembly with manual reset for Series 158S low water cut-offs. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 354087
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    List Price $510.00 $390.74  / each
  3. McDonnell and Miller 310478 model FS8-33 snap-switch.
    List Price $146.00 $111.86  / each
    SKU: MM310478
    Ships within 2 weeks
    McDonnell & Miller 310478 model FS8-33 replacement snap-switch for Series FS8-W liquid flow switches. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 310478
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    List Price $146.00 $111.86  / each
  4. McDonnell & Miller 110000 Model 2 - Reset Snap Switch
    List Price $285.00 $218.35  / each
    SKU: MI1005
    5 in stock
    McDonnell & Miller model number 2 is an automatic reset snap switch for model number 63, 47-2, 51-2, 51S-2, 53-2, and 247-2 controls. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 110000
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    List Price $285.00 $218.35  / each
  5. McDonnell Miller 110100 model 2-M switch with manual reset.
    List Price $285.00 $218.35  / each
    SKU: MI1006
    9 in stock
    McDonnell & Miller model number 2M is a manual reset snap switch for model number 63, 47-2, 51-2, 51S-2, 53-2, and 247-2 controls. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 110100
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    List Price $285.00 $218.35  / each
  6. McDonnell & Miller 110300 Model 5 - Reset Snap Switch
    List Price $1,315.00 $1,007.49  / each
    SKU: MI1008
    6 in stock
    McDonnell & Miller model number 5 is an automatic reset snap switch for model number 93, 193, 94, and 194 controls. This switch features a two pole double break switch for operation at two different levels, multi-function for alarm or valve actuation or low water cut-off. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 110300
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    List Price $1,315.00 $1,007.49  / each
  7. McDonnell Miller 110400 model 5-M switch.
    List Price $1,315.00 $1,007.49  / each
    SKU: MI1008A
    5 in stock
    McDonnell & Miller model number 5M is a manual reset snap switch for model number 93, 193, 94, and 194 controls. This switch features a two pole double break switch for operation at two different levels, multi-function for alarm or valve actuation or low water cut-off. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 110400
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    List Price $1,315.00 $1,007.49  / each
  8. McDonnell & Miller 7B Proportional Control Switch Assembly (110800)
    List Price $2,290.00 $1,727.91  / each
    SKU: MI1009
    4 in stock
    McDonnell & Miller model number 7B is an automatic reset proportioning switch assembly for model number 93, 193, 94, and 194 controls. This switch features a single pole double break switch for multi-function for alarm or valve actuation or low water cut-off. Proportional signal controls a proportioning valve to maintain a constant water line. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 110800
    List Price $2,290.00 $1,727.91  / each
  9. McDonnell Miller 110900 model 7BM proportioning control switch.
    List Price $2,290.00 $1,727.91  / each
    SKU: MI1009A
    Ships within 8 weeks
    The McDonnell & Miller 110900 is a model 7B-M manual reset proportioning control switch for Series 93, 193, 94, and 194 low water cut-off pump controllers. This switch features a single pole double break switch for multi-function for alarm or valve actuation or low water cut-off. Proportional signal controls a proportioning valve to maintain a constant water line. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 110900
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    List Price $2,290.00 $1,727.91  / each
  10. McDonnell & Miller 309000 Model 7B-1R - Resistor
    List Price $350.00 $268.15  / each
    SKU: MI1009B
    3 in stock
    McDonnell & Miller model number 7B-1R is a resistor for 7B switches. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 309000
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    List Price $350.00 $268.15  / each
  11. McDonnell & Miller 309100 Model 11 - Reset Snap Switch
    List Price $340.00 $260.49  / each
    SKU: MI1010
    3 in stock
    McDonnell & Miller model number 11 is an automatic reset snap switch for model number 61, 64, 67, 69, 70, and 764 controls. This switch features a two pole double break switch to provide low water cut-off. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 309100
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    List Price $340.00 $260.49  / each
  12. McDonnell & Miller 309151 Model 11M - Reset Snap Switch
    $0.00  / each
    SKU: MI1012
    McDonnell & Miller model number 11M is a manual reset snap switch for model number 61, 64, 67, 69, 70, and 764 controls. This switch features a two pole double break switch to provide low water cut-off. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 309151
    This item is obsolete. Please visit the item's page to view 0 repair parts and 2 alternate items.
  13. McDonnell and Miller 309200 model 11-MV millivolt switch.
    List Price $365.00 $279.65  / each
    SKU: MI1013
    1 in stock
    McDonnell & Miller model number 11MV is a millivolt automatic reset snap switch for model number 61, 64, 67, 69, 70, and 764 controls. This switch features a two pole double break switch to provide low water cut-off. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 309200
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    List Price $365.00 $279.65  / each
  14. McDonnell and Miller 310490 model 150E-CU electronic control switch.
    List Price $720.00 $551.63  / each
    SKU: MI1140E
    4 in stock
    McDonnell & Miller model number 150E-CU is an electronic switch control unit, which mounts onto the flanged probe assembly, for model number 150E and 157E electric controls. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 310490
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    List Price $720.00 $551.63  / each
  15. McDonnell and Miller 304300 model FS1-17 snap-switch.
    List Price $155.00 $118.75  / each
    SKU: MI1182
    Ships within 2 business days
    McDonnell & Miller model number FS1-17 is switch for model number FS1, FS1-W, FS4-3D, FS5, FS6, FS8-W and AFE-1 flow switches. This switch is single pole, double throw. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 304300
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    List Price $155.00 $118.75  / each
  16. McDonnell & Miller 305512 Model FS4-3D-17 - Switch
    List Price $44.00 $33.71  / each
    SKU: MI1186
    Ships within 2 weeks
    McDonnell & Miller model number FS4-3D-17 is switch for model number FS7-3D flow switches. This switch is single pole, double throw. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 305512
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    List Price $44.00 $33.71  / each
  17. McDonnell & Miller 305200 Model FS4-33 - Switch
    List Price $135.00 $103.43  / each
    SKU: MI1187
    Ships within 2 weeks
    McDonnell & Miller model number FS4-33 is switch for model number FS4-3 and FS4-3T flow switches. This switch is single pole, double throw. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 305200
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    List Price $135.00 $103.43  / each
  18. McDonnell & Miller 307000 Model FS7-31 - Switch
    List Price $160.00 $122.58  / each
    SKU: MI1193C
    Ships within 2 weeks
    McDonnell & Miller model number FS7-31 is switch for model number FS7-4, FS7-4L, FS7-4S, FS7-4E, FS7-4W, AF1, AF2, and AF3 flow switches. This switch is single pole, double throw. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 307000
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    List Price $160.00 $122.58  / each
  19. McDonnell and Miller 344800 model SA91-30B burner switch.
    $0.00  / each
    SKU: MI1320
    McDonnell & Miller model number SA91-30B is a burner-side switch for number 5 switches on model number 93, 94, 193, and 194 controls. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 344800
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    This item is obsolete. Please visit the item's page to view 0 repair parts and 0 alternate items.
  20. McDonnell and Miller 345000 model SA91-30P pump switch.
    $0.00  / each
    SKU: MI1325
    McDonnell & Miller model number SA91-30P is a pump-side switch for number 5 switches on model number 93, 94, 193, and 194 controls. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 345000
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    This item is obsolete. Please visit the item's page to view 0 repair parts and 0 alternate items.
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