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replacing the defrost control board usually restores normal operation
If the noise is caused by a warped or cracked shroud
Precise Ignition Sequence: Features integrated pre-purge and inter-purge delays to ensure safe and efficient gas burner startup
000 BTU/HR for LP gas at a 1" pressure drop
allowing for seamless integration with existing building automation systems
Lochinvar & A.O. Smith 100208546 Thermostat 321142-301 replacing the defrost control boardThe Lochinvar & A. O. Smith 100208546 Thermostat is a critical direct immersion T stat for indirect tanks, engineered to provide precise temperature regulation in high demand potable water systems. Designed as an authentic OEM replacement part, this aquastat control manages the heating cycle by signaling the boiler to circulate hot water through the internal heat exchanger once the domestic hot water temperature falls below the setpoint. It features