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and packaged RTU units
it is compatible with a wide range of Trane and American Standard units
58" WC Calibration: Specifically engineered to match the OEM airflow specifications of Reznor heating systems for accurate safety circuit activation
LH33ZS001A
Precise Motor Control: Optimized for 395V coil voltage to ensure high-accuracy capacitor switching based on motor back-EMF
Hydrolevel 24 Low Water Cut-Off 30067439-890 and packaged RTU unitsThe Hydrolevel 24 Low Water Cut Off (Model 45 240) is a heavy duty, probe type safety control engineered specifically for hydronic heating professionals. Operating on 24 VAC, this electronic LWCO utilizes an EL1214 sensing probe to monitor water levels within hot water boilers. When a low water condition occurs, the control immediately interrupts the burner circuit to prevent dry firing and heat exchanger damage. The automatic reset functionality