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The Hydrolevel 550R is a low water cut-off device designed for hot water and steam boilers. It operates at one hundred twenty volts and features a manual reset function. Upon detecting low water levels, it immediately interrupts power to prevent damage.
This unit is essential for maintaining safe boiler operations by preventing dry firing.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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