Hydrolevel 550P Boiler Low Water Cut-OffHydrolevel 550P Boiler Low Water Cut Off is a trusted boiler safety device for residential and commercial systems. This low water cutoff uses a heavy duty probe and SPDT switch to protect your boiler when water levels drop, preventing damage and downtime. With a 3 4 inch threaded port, it's designed for easy retrofit and secure mounting. The unit handles water media and is rated for up to 250F and 160 psi, making it suitable for many boiler

The valve is lead-free and meets critical standards for safety and compatibility across plumbing and heating installations

Install: Easy integration with Armstrong control systems

Type: Enclosed Relay

this cap helps you maintain peak performance with confidence

Dimensions: End-to-end 3-11/16 in

reliable interface for control systems

Precise actuation compatible with the 120-20 B actuator style

Screw-in type with a 3/4 inch threaded end for easy installation

and compatibility with common control panels

protect heat exchangers

long-term service life in a variety of compatible models

enabling a seamless replacement