Search online at Thermometer Central for Hydrolevel parts and accessories. Hydrolevel Company was founded in 1965 by Michael DeLeonardis, an engineer specializing in steam pressure vessels. The Safgard trademark was launched and production of the first probe-type low water cut-off was underway. Hydrolevel proudly supplies most major boiler manufacturers and serves the needs of heating contractors through plumbing and heating wholesalers nationwide.
