Qolsys IQ Flood-S Encrypted Water Sensor (QS5536-840)
 
 
Description
The Qolsys IQ Flood-S is a wireless encrypted water sensor designed to detect the presence of water and alert users before significant damage occurs. Ideal for use near appliances such as water heaters, washing machines, and sinks, it includes a remote water contact probe connected by a 6-foot cable for flexible placement. With secure S-Line communication and long-range performance, it provides reliable protection against leaks and flooding.
 
Key Features
Detects water presence to help prevent damage
Encrypted S-Line wireless communication
Compatible with legacy 319.5 MHz systems
Includes 6 ft cable with water contact probe
Flexible installation (floor or wall mounting)
Supports email and text alert notifications
Long-range wireless performance
Tamper detection and low battery alerts
 
Specifications
Sensor Dimensions: 2.5” H x 1” W x 0.5” D
Cable Length: 6 ft
Wireless Range: Up to 600 ft (200 m) open air
Frequency: 319.5 MHz
Supervisory Interval: 70 minutes
RF Peak Field Strength: Typical 36000 uV/m at 3 m
Battery: (2) CR2032 lithium batteries (replace every 5 years)
Operating Temperature: -10°C to 50°C
Storage Temperature: -40°C to 80°C
Humidity: 5–95% non-condensing
 
Compatibility
Qolsys IQ Panels with S-Line support
Legacy 319.5 MHz systems
Important Notes
Designed for indoor use near potential leak sources
Water probe can be mounted separately from main unit for flexible placement
Supports remote alerts when connected to compatible systems