Compression Control: Precision threading allows for micro-adjustments to the packing gland pressure

Precision Safety: Calibrated to a 0

heat-resistant elastomeric material

For critical timing

Operating on a standard 24V furnace control circuit

Hydrolevel 500SV Low Water Cut-Off R-410A Compression Control: Precision threading allowsThe Hydrolevel 500SV Low Water Cut Off is a 24Vac safety control specifically engineered for commercial hot water boilers and secondary protection on steam systems. Built for rigorous field environments, the 45 501 model features a manual reset configuration that requires operator intervention if a low water condition persists for more than 30 seconds. This ensures that a technician inspects the system before resuming burner operation, providing a