Combination LWCO & Pump Controllers
Low Water Cut-Offs

Combination LWCO & Pump Controllers

Literature, diagrams and more information for Combination LWCO & Pump Controllers
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  1. McDonnell and Miller 129302 model 42S low water cut-off and pump controller.
    List Price $1,265.00 $969.18  / each
    SKU: MH1022
    1 in stock
    McDonnell & Miller model number 42S is a combination float-operated low water cut-off and pump controller for steam boilers that have a separate water column. This control features an automatic reset and two 120 volt, bi-metal, two-wire, single pole, single throw snap switches. Its maximum pressure is 50 psi and it has a tapped 1" FIP connection. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 129302
    List Price $1,265.00 $969.18  / each
  2. McDonnell & Miller 129702 Model 42S-A - LWCO & Pump Controller
    List Price $1,740.00 $1,333.11  / each
    SKU: MH1023
    Ships within 2 business days
    McDonnell & Miller model number 42S-A is a combination float-operated low water cut-off and pump controller with quick hook-up fittings for steam boilers. This control features an automatic reset and two 120 volt, bi-metal, two-wire, single pole, single throw snap switches. Its maximum pressure is 50 psi and it has a tapped 1" FIP connection. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 129702
    List Price $1,740.00 $1,333.11  / each
  3. McDonnell & Miller 129802 Model 42S-N - LWCO & Pump Controller
    List Price $1,460.00 $1,118.58  / each
    SKU: MH1023A
    Ships within 2 business days
    McDonnell & Miller model number 42S-N is a combination float-operated low water cut-off and pump controller with 1/2" IP gauge glass connections for steam boilers. This control features an automatic reset and two 120 volt, bi-metal, two-wire, single pole, single throw snap switches. Its maximum pressure is 50 psi and it has a tapped 1" FIP connection. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 129802
    List Price $1,460.00 $1,118.58  / each
  4. McDonnell and Miller 162500 model 93-M low water cut-off.
    List Price $2,430.00 $1,833.55  / each
    SKU: MH1074
    3 in stock
    McDonnell & Miller 162500 model 93-M is a combination float-operated low water cut-off and pump controller with manual reset and 1" NPT connections for steam boilers rated up to 150 psi. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 162500
    List Price $2,430.00 $1,833.55  / each
  5. McDonnell and Miller 163200 model 93 combination low water cut-off and pump controller.
    List Price $2,230.00 $1,682.64  / each
    SKU: MH1075
    4 in stock
    McDonnell & Miller model 93 is a combination float-operated low water cut-off and pump controller with 1" FIP tapped connections for steam boilers with a separate water column. This control features an automatic reset with standard number 5 single pole single throw switches. Its maximum pressure is 150 psi. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 162300
    List Price $2,230.00 $1,682.64  / each
  6. McDonnell and Miller 163000 model 93-7B low water cut-off and pump controller.
    List Price $3,150.00 $2,376.82  / each
    SKU: MH1076
    2 in stock
    McDonnell & Miller 93-7B combination low water cut-off and pump controller with automatic reset switch and 1" NPT pipe connections for steam boilers rated up to 150 psi. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 163000
    List Price $3,150.00 $2,376.82  / each
  7. McDonnell and Miller 163100 model 93-7B-M low water cut-off.
    List Price $3,250.00 $2,452.27  / each
    SKU: MH1077
    Ships within 8 weeks
    McDonnell & Miller model number 93-7BM is a combination float-operated low water cut-off and pump controller with 1" FIP tapped connections for steam boilers with a separate water column for low water cut-off and pump control, as well as, proportional control for constant boiler water level. This control features a manual reset with optional number 7BM single pole single throw switches. Its maximum pressure is 150 psi. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 163100
    List Price $3,250.00 $2,452.27  / each
  8. McDonnell & Miller 165500 Model 94-A - LWCO & Pump Controller
    List Price $2,740.00 $2,071.61  / each
    SKU: MH1078
    Ships within 2 weeks
    McDonnell & Miller model number 94A is a combination float-operated low water cut-off and pump controller with 1-1/4" FIP tapped connections for steam boilers with a separate water column. This control features an automatic reset with standard number 5 single pole single throw switches. Its maximum pressure is 250 psi. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 165500
    List Price $2,740.00 $2,071.61  / each
  9. McDonnell & Miller 165900 Model 94M - LWCO & Pump Controller
    List Price $2,740.00 $2,067.46  / each
    SKU: MH1079
    6 in stock
    McDonnell & Miller model number 94M is a combination float-operated low water cut-off and pump controller with 1-1/4" FIP tapped connections for steam boilers with a separate water column. This control features a manual reset with standard number 5 single pole single throw switches. Its maximum pressure is 250 psi. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 165900
    List Price $2,740.00 $2,067.46  / each
  10. McDonnell Miller 165200 model 94 low water cutoff.
    List Price $2,740.00 $2,067.46  / each
    SKU: MH1080
    2 in stock
    McDonnell & Miller model number 94 is a combination float-operated low water cut-off and pump controller with 1-1/4" FIP tapped connections for steam boilers with a separate water column. This control features an automatic reset with standard number 5 single pole single throw switches. Its maximum pressure is 250 psi. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 165200
    List Price $2,740.00 $2,067.46  / each
  11. McDonnell & Miller 166300 Model 94-7B - LWCO & Pump Controller
    List Price $3,735.00 $2,818.23  / each
    SKU: MH1081
    3 in stock
    McDonnell & Miller model number 94-7B is a combination float-operated low water cut-off and pump controller with 1-1/4" FIP tapped connections for steam boilers with a separate water column. This control features an automatic reset with optional number 7B single pole single throw switches. Its maximum pressure is 250 psi. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 166300
    List Price $3,735.00 $2,818.23  / each
  12. McDonnell & Miller 165800 Model 94AM - LWCO & Pump Controller
    List Price $2,740.00 $2,067.46  / each
    SKU: MH1082
    Ships within 2 weeks
    McDonnell & Miller model number 94AM is a combination float-operated low water cut-off and pump controller with 1-1/4" FIP tapped connections for steam boilers with a separate water column. This control features a manual reset with standard number 5 single pole single throw switches. Its maximum pressure is 250 psi. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 165800
    List Price $2,740.00 $2,067.46  / each
  13. McDonnell & Miller 165700 Model 94A-7B - LWCO & Pump Controller
    List Price $3,735.00 $2,818.23  / each
    SKU: MH1083
    Ships within 9 weeks
    McDonnell & Miller model number 94A-7B is a combination float-operated low water cut-off and pump controller with 1-1/4" FIP tapped connections for steam boilers with a separate water column. This control features an automatic reset with optional number 7B single pole single throw switches. Its maximum pressure is 250 psi. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 165700
    List Price $3,735.00 $2,818.23  / each
  14. McDonnell Miller 172807 model 150S-M-MD low water cut-off and pump controller with maximum differential
    List Price $1,400.00 $1,072.62  / each
    SKU: MH1094A
    2 in stock
    McDonnell & Miller model number 150S-M-MD is a combination float-operated low water cut-off and pump controller with maximum differential operation, which prevents nuisance burner shut-down in low pressure applications, for steam boilers with a separate water column. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 172807
    List Price $1,400.00 $1,072.62  / each
  15. McDonnell Miller 171702 model 150S low water cut-off.
    List Price $1,400.00 $1,056.36  / each
    SKU: MH1095
    14 in stock
    McDonnell & Miller 171702 model 150S replacement low water cut-off & pump controller with snap-action switch assembly for commercial and industrial low or high-pressure steam boiler applications. This float-type, combination low water cut-off and pump controller has 1" NPT connections and a maximum pressure of 150 psi. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 171702
    List Price $1,400.00 $1,056.36  / each
  16. McDonnell and Miller 171802 model 150S-MD low water cut-off with maximum differential operation.
    List Price $1,400.00 $1,072.62  / each
    SKU: MH1096
    6 in stock
    McDonnell & Miller model number 150S-MD is a combination float-operated low water cut-off and pump controller with maximum differential operation, which prevents nuisance burner shut-down in low pressure applications, for steam boilers with a separate water column. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 171802
    List Price $1,400.00 $1,072.62  / each
  17. McDonnell Miller 172806 model 150S-M low water cut-off.
    List Price $1,400.00 $1,072.62  / each
    SKU: MH1097
    9 in stock
    McDonnell & Miller 172806 model 150S-M replacement low water cut-off & pump controller with snap-action switch assembly with manual reset for commercial and industrial low or high-pressure steam boiler applications. This float-type, combination low water cut-off and pump controller has 1" NPT connections and a maximum pressure of 150 psi. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 172806
    List Price $1,400.00 $1,072.62  / each
  18. McDonnell and Miller 172813 model 157S-M-MD low water cut-off and pump controller with manual reset and maximum differential operation.
    List Price $1,835.00 $1,405.89  / each
    SKU: MH1099B
    Ships within 8 weeks
    McDonnell & Miller 172813 model 157S-M-MD combination low water cut-off and pump controller with manual reset and maximum differential operation. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 172813
    List Price $1,835.00 $1,405.89  / each
  19. McDonnell Miller 173502 model 157S low water cut-off and pump controller.
    List Price $1,835.00 $1,384.59  / each
    SKU: MH1100
    3 in stock
    McDonnell & Miller model number 157S is a combination float-operated low water cut-off and pump controller for steam boilers with an integral water column. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 173502
    List Price $1,835.00 $1,384.59  / each
  20. McDonnell and Miller 172811 model 157S-A-M low water cut-off and pump controller.
    List Price $1,835.00 $1,405.89  / each
    SKU: MH1100B
    Ships within 8 weeks
    McDonnell & Miller model 157S-A-M combination low water cut-off and pump controller with manual reset (SWA-150S-M Switch) and alternate tappings for steam boilers with pressures up to 150 psi. This 'A' model has 1-1/4" NPT connections with 3/4" NPT column connections for the water gauge valves and compression gauge cocks. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 172811
    List Price $1,835.00 $1,405.89  / each
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