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High Pressure Rated: UL listed for operating pressures up to 650 PSIG
Key Benefits for the Contractor Total Rubber Overhaul: Includes the diaphragm
Unused primary wires should be safely capped with wire nuts or heat-shrink tubing to prevent accidental shorting or contact with the equipment chassis
Designed to manage the sequential starting process—including pre-purge
17-6" WC adjustment range to accommodate various duct pressures and blower configurations
Hydrolevel 550 Low Water Cut-Off 30067439-890 High Pressure Rated: UL listedThe 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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