MDI offers Free Shipping on online orders over $300
(Some Restrictions May Apply - Store Policies)

Plug-In Pedestal Alarm System - 240 VAC Receptacle & 30' Alarm Float - The Observer 100 SMD-11

SKU: 10A101

Model SMD-30

This Pedestal Alarm System is a water tight junction box to keep your septic connections safe and secure.

  • Features
  • New low-profile design with external silence switch
  • Easy-to-access cover
  • Rugged water tight enclosure rated for outdoor use
  • 240 VAC receptacles for plugging in the pump and switch
  • Built-in high water alarm with horn and light (test feature included)
  • 120 VAC with 9 VAC battery back-up alarm, complete with automatic reset
  • Spacious panel designed with 240 VAC pump power supply and 120 VAC alarm power
  • Mechanical alarm float switch with 30' cord
  • Large access port with gas/liquid tight seal for cord connections
  • Test-normal-silence switch (external)
  • Auxiliary contacts standard
  • Optional
    • Push Breaker
    • Cycle Counter
    • ETM
  • Two-year limited warranty

Manufacturer: SPI

Weight: 12.5 lb
Stock Quantity: In Stock

Delivery: Ships in 2-3 Business Days


Please use the "Request More Info" form


  • Specifications
  • Enclosure Dimensions 6" x 6" x 7"
  • Overall Dimensions 6" x 6" x 35"
  • Enclosure NEMA 3R, UV-protected PVC rated for outdoor use
  • Horn 85 db at 10'
  • Battery Back-up 9 VDC for alarm horn
  • Light 10 watts 120 VAC
  • Receptacle 240 VAC
  • Full Load Amps 12
  • Weight 11 lbs.
  • Alarm Float 20' mechanical float (normally open)
  • Pump Voltage 240 VAC, 60 Hz single phase
  • Alarm Voltage 120 VAC, 60 Hz single phase
  • Standard Auxiliary Contacts 240 VAC, 5 amp max resistive/60 Hz

See all SPI Products
SPI has been providing installers, distributors, and OEM on-site manufacturers and wholesalers with innovative products and services since 2003. We combine the personalized attention of a family business with the professionalism and expertise of a larger company, delivering what you need without the wait.

Since 1975
MDI Quality - Durability - Reliability

Call Us Toll Free: (800) 634-4077

Request More Info

Related Items