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Key Benefits for Technicians Fixed Thermal Calibration: Precise 170°F open and 150°F close setpoints prevent nuisance tripping while ensuring robust heat exchanger protection
Compatibility: Direct OEM match for Lochinvar FBN and FBL models (2500-3500 series)
adhering to original manufacturer specifications for load-bearing applications in demanding environments
Key Benefits ASME Section IV Certified: Verified capacity of 934
Unlike the single-pin variations
Hydrolevel 550LSV Low Water Cut-Off 340793-762 Key Benefits for Technicians FixedThe Hydrolevel 550LSV (Part Number 45 5510) is a high performance 120Vac Low Water Cut Off designed for commercial hot water boilers and as a secondary safety on steam systems. Built for veteran contractors, this electronic low water cut off features a manual reset to ensure a technician identifies the cause of a low water condition before the burner is re energized. The unit includes a 30 second burner off delay to prevent nuisance jumping during
