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Does this unit require a specific orientation for flow
Always verify the temperature stamping on the existing bracket before replacement
Contractors should verify the burner manufacturer’s specifications before making manual adjustments
Key Benefits for the Contractor Total Rubber Overhaul: Includes the diaphragm
Hydrolevel 550 Low Water Cut-Off 30067439-890 Does this unit require aThe 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,