Observer 500 Series Indoor/Outdoor High Water Alarm with 15' Mechanical Float Switch
PrintThe Observer 500 Series High Water Alarm is a reliable and versatile solution for monitoring liquid levels in septic tanks, pump stations, holding tanks, and other applications. Designed for both indoor and outdoor use, this alarm features a NEMA 4X watertight enclosure, ensuring durability in harsh weather conditions.
Equipped with a 15' mechanical float switch and a 6' power cord, the Observer 500 provides an audible and visual alert to prevent costly backups and overflows.



In Stock

$174.00MSRP: $199.00
Item #:10A500
Manufacturer: SPI
Observer 500 Alarm Specifications
- Indoor/Outdoor Alarm with Light and Audible Buzzer
- 15ft Mechanical Float Switch with Pipe Mount
- 6ft Power Cord with Plug For Easy Installation
- Alarm Test and Mute Switch
- Audible Buzzer: 85 dB @ 10 feet
- NEMA 4x Watertight Enclosure
- 120VAC, 60Hz
- Two Year Limited Warranty
Observer 500 Alarm Features
- Indoor/Outdoor Versatility: NEMA 4X watertight enclosure for reliable performance in any environment.
- Audible and Visual Alerts: High-decibel buzzer and bright alarm light activate when high water levels are detected.
- 15' Mechanical Float Switch: Triggers the alarm when liquid levels rise, ensuring timely notifications.
- 6' Power Cord: Simplifies installation with a standard 120 VAC plug.
- Easy Installation: Can be mounted on a post, wall, or pedestal for flexible setup.
- Automatic Reset: System resets itself once the high water condition is resolved.
- Durable Design: Built to withstand the demands of septic and wastewater applications.
Observer 500 Alarm Applications
- Septic Tanks: Alerts homeowners to high water levels to prevent system backups
- Pump Stations: Monitors liquid levels to ensure proper pump operation
- Holding Tanks: Provides early warning of potential overflows
- Sump Pits and Other Systems: Ideal for any application requiring liquid level monitoring.
Installation Overview
- Mount the Alarm Box: Secure the NEMA 4X enclosure on a post, outdoor wall, or pedestal.
- Install the Float Switch: Place the 15' mechanical float switch inside the septic tank or pump chamber, ensuring it can move freely to detect high water levels.
- Connect the Float Switch: Run the float switch wire to the alarm box and connect it to the designated terminals.
- Plug in the Power Cord: Insert the 6' power cord into a standard 120 VAC outlet.
- Test the System: Lift the float switch manually to verify the audible buzzer and visual light activate. Ensure the system resets when the float is lowered.