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Series 64/767
Low Water Cut-Offs

McDonnell & Miller Series 64/767

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  1. McDonnell Miller 143600 64 low water cut-off.
    McDonnell & Miller 64 Low Water Cut-Off with Auto Reset (143600)
    List Price $868.00 $508.00  / each
    SKU: MH1060
    3 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. Explore More
    • Manufacturer : McDonnell & Miller
    • Part Number : 143600
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    7 Repair Part(s)
    List Price $868.00 $508.00  / each
  2. McDonnell Miller 144250 model 64M low water cut-off.
    McDonnell & Miller 64-M Low Water Cut-Off with Manual Reset (144250)
    $0.00  / 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. Explore More
    • Manufacturer : McDonnell & Miller
    • Part Number : 144250
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    7 Repair Part(s)
    3 Alternative Item(s)
    This item is obsolete. Please visit the item's page to view 7 repair part(s) and 3 alternate item(s).
  3. McDonnell & Miller 143700 Model 64A - Low Water Cut-Off
    McDonnell & Miller 143700 Model 64A - Low Water Cut-Off
    List Price $1,405.00 $999.56  / 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. Explore More
    • Manufacturer : McDonnell & Miller
    • Part Number : 143700
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    11 Repair Part(s)
    List Price $1,405.00 $999.56  / each
  4. McDonnell Miller 144500 model 764 low water cut-off.
    McDonnell & Miller 764 Low Water Cut-Off with Automatic Reset (144500)
    List Price $859.00 $611.11  / each
    SKU: MH1115
    Ships within 1 business days
    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. Explore More
    • Manufacturer : McDonnell & Miller
    • Part Number : 144500
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    6 Repair Part(s)
    List Price $859.00 $611.11  / each
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Category
Control Switch
  1. No. 11 3items
  2. No. 11-M 1item
Discontinued
  1. No 3items
  2. Yes 1item
Application
  1. Hot Water Boilers 4items
  2. Steam Boilers 4items
Connection Size
  1. 1" 3items
  2. 2-1/2" 1item
Control Reset
  1. Automatic 3items
  2. Manual 1item
Voltage
  1. 120V 3items
  2. 240V 3items
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