Description
The Hydrolevel 550SV is a 120Vac low water cut-off designed to protect residential and light commercial boilers from low water conditions. It features a manual reset with a 30-second delay, a test button, indicator light, and an EL1214-SV short ceramic sensing probe for accurate water level monitoring. Built for durability and long-term performance, the 550SV ensures safe and efficient boiler operation while its compact design allows for easy installation in tight spaces. This unit is ideal for maintaining reliable protection and system efficiency in residential boiler applications.
Key Features:
- 120Vac low water cut-off with manual reset (30-second delay)
- Includes EL1214-SV short ceramic sensing probe
- Test button and indicator light for system monitoring
- Protects boilers from low water conditions
- Durable construction for long-lasting reliability
- Compact design for easy installation in residential boilers






