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Micromaster Plus Float Switch

Mechanical, wide-angle float 13A, 20FT
Model Number
Rhombus pump float


Heavy duty pump level control float switch includes piggy-back plug, 20FT cord.

Mechanically-activated, wide-angle pump switch 20mmpd1wpws

specifically designed as a mechanical alternative to the mercury-activated Junior Super Single® pump switch. This mechanically-activated, wide-angle pump switch provides automatic control of pumps in: n Water n Sewage applications This SJE MicroMaster® Plus WS pump switch is not sensitive to rotation or turbulence allowing it to be used in both calm and turbulent applications

Normally Open (NO) Model (high level). The control switch turns on (closes) when the float tips slightly above horizontal signaling a high level, and turns off (opens) when the float drops slightly below horizontal. Other Pump Switches

Normally Closed NC Model (low level) The control switch turns on (closes) when the float drops slightly below horizontal signaling alow level, and turns off (opens) when the float tips slightly above horizontal. 

NO mercury used. Polypro float is rated for use in water up to 140F. 


  • Mechanically-activated, snap action contacts.
  • High impact, corrosion resistant, polypropylene float housing. FLOAT: 2.74 inch diameter x 4.83 inch long
  • Adjustable pump range of 8 to 36 inches (20 to 91 cm).
  • UL Recognized for use in water and sewage. n CSA Certified.
  • Five-year limited warranty
  • Cord is SJOW

Other cord lengths available

pump down (normally open) PUMP DOWN is normally open contacts for emptying
More Information
Model Number 1022033
Series Level Control Accessories
Wetted Materials PolyPro
Voltage (V) 115
Voltage (Range) 110-120
Phase (Ø) Single (1)
Motor Amps (A) 13
Max Operating Temperature (F) 140
Other Max pump start current 78 amps. Not for low voltage
Approvals CSA, UL
Cord Size 16/2
Cord Length (Ft.) 20
Country of Manufacture United States
Weight (Lbs) 4.000000
Warranty (YRS.) 5