Hydrolevel 500SV Low Water Cut-Off Els PW 17895 Standard Fitting: Features a 1/4"

Standard Fitting: Features a 1/4" NPT gas connection for streamlined installation on standard manifolds

What are the symptoms of a failing inlet/outlet bypass sensor

Durable Construction: Stainless steel high-strength diaphragm resists fatigue and environmental corrosion

these are standard thread-in style units that are often interchangeable with other brands

The inclusion of a stainless steel spring and a professional-grade lift lever allows for manual testing and reliable seat drainage

Hydrolevel 500SV Low Water Cut-Off Els PW 17895 Standard Fitting: Features a 1/4"The Hydrolevel 500SV Low Water Cut Off is a 24Vac safety control specifically engineered for commercial hot water boilers and secondary protection on steam systems. Built for rigorous field environments, the 45 501 model features a manual reset configuration that requires operator intervention if a low water condition persists for more than 30 seconds. This ensures that a technician inspects the system before resuming burner operation, providing a