McDonnell & Miller 150S (171702) Level Controller
Model: MM150S
Low Price: $510.00

McDonnell & Miller 150S (171702) Level Controller

By: McDonnell & Miller Model: MM150S ID: 26504

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Low Price: $510.00
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The McDonnell & Miller Model 150Sis a mechanical float-type ON/OFF level controller and low water cut-off. The controller is piped into an external water column via 1” NPT equalizing pipes. The 150S is typically used to control a two-position makeup valve. When used on a boiler, the controller also includes a single pole double throw (SPDT) switch for low water cutoff and alarm. The 150S is rated for a maximum pressure of 150 PSI. A single McDonnell & Miller 150S is commonly paired with an electronictwo position makeup valve for ON/OFF operation. The snap action switches have a 3/4" fixed control range. That is, the makeup valve will open when the level is 5/8” above the “Cut-off line” and the valve will close when level is 1-3/8” above the “Cut-off line”. This type of control is common for applications where maintaining a steady flow into the tanks is not required, for example, small atmospheric feed tanks (less than 500 gallons). For larger atmospheric tanks and deaerators, a modulation makeup valve is typically used for more precise control.

Features
  • ON/OFF level controller
  • Maximum Operating Pressure: 150 PSI
  • Connects to tank via 1” NPT equalizing pipes
  • Includes cast iron float housing
  • 3/4” differential control range for pump control
  • 7/8” differential control range for burner control (when used on boiler)
  • 2 precisionsnap action switches
  • 1 SPST switch for pump control, 7.4 amps at 120VAC (3.7 amps at 240 VAC)
  • 1 SPDT switch for burner control and alarm, 1 amp at 120 VAC (0.5 amps at 240 VAC)

Specifications

Additional Information

SKU MM150S
Manufacturer McDonnell & Miller
Weight (in lbs) 25.7000
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety Information PROPOSITION 65 WARNING

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