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SPI Junior M-Navigator - Standard-Duty Mercury Float Switch - (20A401LY / 10SRDNOP) - (Normaly Open)

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SPI Junior M-Navigator - Standard-Duty Mercury Float Switch - (20A401LY / 10SRDNOP) - (Normaly Open)

Availability: In stock

The SPI 20A401LY is a normally open pump duty mercury float. Normally open meaning it is OFF when in the normal position (hanging) and ON when it is in the upright position (floating). Pump duty or Standard Duty, refers to the amp rating on the float. This float has an amp rating high enough to turn a pump on and off. See Max pump rating below.



Junior M-Navigator

  • Mercury-activated, wide-angle float to directly control a pump
  • Not sensitive to rotation or turbulence
  • For use in water and sewage application
  • Controls pumps up to 1/2 HP at 120 VAC and 1 HP at 240 VAC
  • Pump Down (Normally Open)
  • Adjustable pumping range of 6 to 36 inches
  • 16-guage, 2-conductor, SJOW water-resistant (CPE) material
  • Max pump running current, 13 amps
  • Max pump starting current, 43 amps
  • 10' Cord (No Plug)
  • Individually boxed and includes SST pipe mount assembly
  • UL / cUL
Additional Information

Additional Information

Manufacturer SPI
Attachment View File SPI Float Systems Size: (143.68 KB)
Attachment View File Junior_M-Navigator_Series_Float_20A400__sales_sheet Size: (123.22 KB)
Product Reviews
Number of reviews : 5
Average rating : 4.4 /5
A. Anonymous
  the 19/12/2018
4/ 5
If you have a lift station, this is definitely a very good option. These float switches will last a very long time when used in a pilot duty control system.
A. Anonymous
  the 22/11/2018
5/ 5
Basic float switch which works perfectly in my sump pump application.
A. Anonymous
  the 25/02/2018
3/ 5
A. Anonymous
  the 17/05/2017
5/ 5
It works!
A. Anonymous
  the 03/06/2016
5/ 5
Item recieved as advertised!

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