Hydrolevel 400 24V Low Water Cut-Off for Steam Boilers

The Hydrolevel 400 is a 24-volt low water cut-off control designed to protect steam boilers from dangerous low water conditions. This safety device automatically shuts down the boiler when water levels drop below safe operating parameters, preventing costly damage and potential hazards from boiler dry-firing.

Key Features:

• 24-volt operation for compatibility with modern boiler control systems
• Automatic low water detection and boiler shutdown
• Reliable float-type switch mechanism
• Direct replacement for OEM-24TD, 45-400, and 510-811-403
• Designed for residential and light commercial steam boiler applications
• Easy installation with standard LWCO mounting configuration

This control serves as a critical safety component in steam boiler systems, monitoring water levels continuously and interrupting power to the burner circuit when low water conditions are detected. The Hydrolevel 400 provides dependable protection against boiler overheating and potential system failure caused by inadequate water supply.