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Refer to the wiring diagram on the unit
single-throw design simplifies installation and provides efficient operation
Common Questions What is the function of the 25°F open setting
Use the internal adjusting disk to align the pointer with the desired PSI on the visible scale based on the manufacturer’s net oil pressure spec
Hydrolevel 711CF Low Water Cut-Off 30067439-890 Refer to the wiring diagramThe Hydrolevel 711CF Low Water Cut Off is a specialized 120Vac control designed for steam boilers, specifically those that lack the direct tappings required for modern Safgard or CycleGard models. This unit mounts directly to gauge glass tappings, utilizing quick hook up fittings that adapt to sight glasses ranging from 8 to 14 inches. Unlike float style controls that are prone to mechanical failure due to sediment or scale buildup, the 711CF features
