Series 42S
Low Water Cut-Offs

McDonnell & Miller Series 42S

Literature, diagrams and more information for Series 42S
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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
    2 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
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