Hydrolevel 170SV Low Water Cut-Off

The Hydrolevel 170SV Low Water Cut-Off is a reliable 120VAC safety device designed to protect residential and light-commercial hot water boilers from overheating due to low water levels. This OEM-170SV model features a durable 3/4″ NPT probe for secure installation, ensuring continuous monitoring of water levels in your boiler system. Ideal for use with standard 120V systems, it provides peace of mind by automatically shutting off the boiler when water levels drop below a safe threshold, preventing costly damage and potential hazards.

Built with Hydrolevel’s reputation for quality and durability, this low water cut-off is a critical component for maintaining boiler efficiency and safety. The compact yet robust design fits seamlessly into most boiler setups, making it a versatile choice for homeowners, contractors, and HVAC professionals. Whether you're upgrading an existing system or installing a new boiler, this cut-off ensures reliable operation and extended equipment lifespan. Backed by Hydrolevel’s trusted brand, it’s a dependable solution for protecting your investment in heating infrastructure.