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17-6" WC adjustment range to accommodate various duct pressures and blower configurations
Does this unit require a specific orientation for flow
Temperature Control
High Pressure Rated: UL listed for operating pressures up to 650 PSIG
Contractors should verify the burner manufacturer’s specifications before making manual adjustments
Hydrolevel 550 Low Water Cut-Off 30067439-890 17-6" WC adjustment range toThe Hydrolevel 550 Low Water Cut Off is a heavy duty 120V electronic safety control designed for critical protection in hot water boiler systems. This unit serves as a direct replacement for PSE 801 M 120 and Slant Fin 432 554 000, ensuring seamless field integration for service contractors. Engineered to prevent dry firing, the Hydrolevel 550 utilizes the EL1214 sensing probe to monitor water levels via conductivity. The manual reset functionality,
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