Hydrolevel 550SV Boiler Low Water Cut-Off

The Hydrolevel 550SV Boiler Low Water Cut-Off delivers reliable protection for residential and commercial boilers. This heavy-duty boiler low-water cutoff features a rugged 3/4 inch threaded port, a SPDT switch, and a manual reset to ensure dependable operation even in demanding boiler setups.

Engineered for safety and longevity, it handles water up to 250°F and systems up to 160 psi. The unit includes a shorter EL1214-SV probe and carries UL and CSA listings for added compliance. With a 16 A relay rating and switching capacity of 5.8 A at full load (34.8 A locked rotor), it delivers solid performance for everyday use.

• Heavy-duty boiler low-water cutoff with SPDT switch
• 3/4" threaded port connection for easy installation
• Includes EL1214-SV probe and manual reset
• UL and CSA listed for safety and compliance
• Relay rated at 16 A; input 120 V AC, 60 Hz
• Switching capacity: 5.8 A full load / 34.8 A locked rotor
• Water handling up to 250°F and pressure up to 160 psi
• Ideal for residential and commercial boiler systems

Protect your boiler investment with the trusted protection of the Hydrolevel 550SV, engineered for reliability and long-term performance.