AERCO Boiler and Water Heater 124363 Board Refrigerant Ensure your control board is

Ensure your control board is calibrated for 135 Ohm resistance to avoid position sensing errors

a separate liquid line indicator should be used in conjunction with this crankcase glass

equipped with a 1/4" external flare fitting

the 63-M is designed for both steam and hot water applications

Field-Repairable Design: Internal components can be serviced without removing the trap from the line

AERCO Boiler and Water Heater 124363 Board Refrigerant Ensure your control board isThe AERCO Boiler and Water Heater 124363 Low Water Cutoff Board is a critical safety component engineered for high performance hydronic systems. As a genuine OEM replacement part, this LWCO controller ensures precise monitoring of fluid levels within the heat exchanger, preventing dry fire conditions that lead to catastrophic equipment failure. Specifically designed for integration with AERCO Boiler and Water Heater Benchmark boilers and Innovation