Float-Type LWCO
Low Water Cut-Offs

Float-Type LWCO

Literature, diagrams and more information for Float-Type LWCO
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  1. McDonnell & Miller 140100 Model 61 - Low Water Cut-Off
    List Price $770.00 $589.94  / each
    SKU: MH1050
    5 in stock
    McDonnell & Miller model number 61 is a float-operated low water cut-off for steam boilers. This control features an automatic reset with dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 20 psi and has a tapped 1" FIP connection for equalizing pipes. Blow down valve required. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 140100
    List Price $770.00 $589.94  / each
  2. McDonnell and Miller 142400 model 63 low water cut-off.
    List Price $925.00 $708.69  / each
    SKU: MH1055
    3 in stock
    McDonnell & Miller model number 63 is a float-operated low water cut-off for steam or hot water boilers. This control features an automatic reset with dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 50 psi and has a tapped 1" FIP connection for equalizing pipes. Blow down valve required. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 142400
    List Price $925.00 $708.69  / each
  3. Xylem McDonnell and Miller 63M Low Water Cut-Off 143100
    List Price $925.00 $708.69  / each
    SKU: MH1056
    5 in stock
    McDonnell & Miller model number 63M is a float-operated low water cut-off for steam or hot water boilers. This control features a manual reset with dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 50 psi and has a tapped 1" FIP connection for equalizing pipes. Blow down valve required. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 143100
    List Price $925.00 $708.69  / each
  4. McDonnell Miller 143600 64 low water cut-off.
    List Price $790.00 $605.26  / each
    SKU: MH1060
    8 in stock
    McDonnell & Miller model number 64 is a float-operated low water cut-off for steam or hot water boilers. This control features an automatic reset with dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 50 psi and has a tapped 1" FIP connection for equalizing pipes. Blow down valve required. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 143600
    List Price $790.00 $605.26  / each
  5. McDonnell & Miller 143700 Model 64A - Low Water Cut-Off
    List Price $1,255.00 $961.52  / each
    SKU: MH1062
    Ships within 2 weeks
    McDonnell & Miller model number 64A is a float-operated low water cut-off with quick hook-up fittings for steam or hot water boilers. This control features an automatic reset with dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 50 psi. Quick hook-up fittings allow for installation directly into gauge glass tappings (1/2" NPT). Blow down valve required. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 143700
    List Price $1,255.00 $961.52  / each
  6. McDonnell Miller 149400 model 67 low water cutoff.
    List Price $705.00 $540.14  / each
    SKU: MH1065
    6 in stock
    McDonnell & Miller model number 67 is a float-operated low water cut-off with quick hook-up fittings for steam or hot water boilers. This control features an automatic reset with dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 20 psi. Quick hook-up fittings allow for installation directly into gauge glass tappings (1/2" NPT). Blow down valve included. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 149400
    List Price $705.00 $540.14  / each
  7. McDonnell & Miller 67-G Low Water Cut-Off for Millivolt Service (149600)
    List Price $705.00 $540.14  / each
    SKU: MH1066
    2 in stock
    McDonnell & Miller model number 67G is a float-operated low water cut-off with quick hook-up fittings for steam or hot water boilers. This control features an automatic reset with dual switches with millivolt service for low water cut-off and alarm or electric water feeders. Its maximum pressure is 20 psi. Quick hook-up fittings allow for installation directly into gauge glass tappings (1/2" NPT). Blow down valve included. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 149600
    List Price $705.00 $540.14  / each
  8. McDonnell & Miller 149500 Model 67-LQHU - Low Water Cut-Off
    List Price $560.00 $429.05  / each
    SKU: MH1067
    3 in stock
    McDonnell & Miller model number 67-LQHU is a float-operated low water cut-off less quick hook-up fittings for steam or hot water boilers. This control features an automatic reset with dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 20 psi. Blow down valve included. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 149500
    List Price $560.00 $429.05  / each
  9. McDonnell and Miller 153900 model 69 built-in low water cut-off.
    List Price $550.00 $421.38  / each
    SKU: MH1070
    13 in stock
    McDonnell & Miller model number 69 is a float-operated low water cut-off for mounting into 2-1/2" steam boiler side tappings. This control features dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 20 psi and has an insertion length of 4-1/8". Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 153900
    List Price $550.00 $421.38  / each
  10. McDonnell and Miller 155100 model 169 low water cut-off.
    List Price $570.00 $436.71  / each
    SKU: MH1105J
    3 in stock
    McDonnell & Miller model number 169 is a float-operated low water cut-off for mounting into 2-1/2" side tappings on steam boilers. This cut-off features dual 120 volt switches for low water cut-off and alarm or electric water feeder. Its maximum pressure is 20 psi and it has an insertion length of 3-1/8". Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 155100
    List Price $570.00 $436.71  / each
  11. McDonnell & Miller 155200 Model 269 - Low Water Cut-Off
    List Price $610.00 $467.35  / each
    SKU: MH1112
    Ships within 2 weeks
    McDonnell & Miller model number 269 is a float-operated low water cut-off for mounting into 2-1/2" side tappings on steam boilers. This cut-off features dual 120 volt switches for low water cut-off and alarm or electric water feeder. Its maximum pressure is 20 psi and it has an insertion length of 2-1/4". Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 155200
    List Price $610.00 $467.35  / each
  12. McDonnell & Miller 155300 Model 369 - Low Water Cut-Off
    List Price $610.00 $467.35  / each
    SKU: MH1112A
    9 in stock
    McDonnell & Miller model number 369 is a float-operated low water cut-off for mounting into 2-1/2" side tappings on steam boilers. This cut-off features dual 120 volt switches for low water cut-off and alarm or electric water feeder. Its maximum pressure is 20 psi and it has an insertion length of 1-3/4". Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 155300
    List Price $610.00 $467.35  / each
  13. McDonnell & Miller 155500 Model 469 - Low Water Cut-Off
    List Price $610.00 $467.35  / each
    SKU: MH1112B
    Ships within 2 weeks
    McDonnell & Miller model number 369 is a float-operated low water cut-off for mounting into 2-1/2" side tappings on steam boilers. This cut-off features dual 120 volt switches for low water cut-off and alarm or electric water feeder. Its maximum pressure is 20 psi and it has an insertion length of 1-3/16". Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 155500
    List Price $610.00 $467.35  / each
  14. McDonnell & Miller 155700 Model 569 - Low Water Cut-Off
    List Price $620.00 $475.02  / each
    SKU: MH1114
    Ships within 2 weeks
    McDonnell & Miller model number 569 is a float-operated low water cut-off for mounting into 2-1/2" side tappings on steam boilers. This cut-off features dual 120 volt switches for low water cut-off and alarm or electric water feeder. Its maximum pressure is 20 psi and it has an insertion length of 1-3/4" with a 1/4" plug. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 155700
    List Price $620.00 $475.02  / each
  15. McDonnell Miller 144500 model 764 low water cut-off.
    List Price $830.00 $635.91  / each
    SKU: MH1115
    2 in stock
    McDonnell & Miller model number 764 is a float-operated low water cut-off for mounting into 2-1/2" FIP side tappings with a nipple directly into the boiler. This cut-off features an automatic reset, dual 120 volt switches for low water cut-off and alarm or electric water feeder. Its maximum pressure is 50 psi. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 144500
    List Price $830.00 $635.91  / each
  16. McDonnell and Miller 153700 model 767 low water cut-off.
    List Price $660.00 $505.66  / each
    SKU: MH1120
    3 in stock
    McDonnell & Miller 153700 model 767 mechanical low water cut-off with automatic reset and 2-1/2" NPT connection for steam boilers with 20 psi maximum pressure. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 153700
    List Price $660.00 $505.66  / each
  17. McDonnell & Miller 144250 Model 64M - Low Water Cut-Off
    List Price $830.00 $635.91  / each
    SKU: MH1061
    McDonnell & Miller model number 64M is a float-operated low water cut-off for steam or hot water boilers. It is also for use with model E-11M-24V (SKU: MI1615) or model E-11M-120V (SKU: MI1616) reset switches. This control features a manual reset with dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 50 psi and has a tapped 1" FIP connection for equalizing pipes. Blow down valve required. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 144250
    This item is obsolete. Please visit the item's page to view 7 repair parts and 0 alternate items.
  18. McDonnell & Miller 67-M Low Water Cut-Off with Manual Reset (149700)
    $0.00  / each
    SKU: MH1068
    McDonnell & Miller model number 67M is a float-operated low water cut-off with quick hook-up fittings for steam or hot water boilers. This control features a manual reset with dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 20 psi. Quick hook-up fittings allow for installation directly into gauge glass tappings (1/2" NPT). Blow down valve included. Learn More
    • Manufacturer : McDonnell & Miller
    • Part Number : 149700
    This item is obsolete. Please visit the item's page to view 7 repair parts and 3 alternate items.
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