the AFB24 is the engineered successor to the AFR24

particularly within the Secop SC series and NF model compressors

Skin oils can create hot spots on the ceramic element

How do I secure the dial

Operating on a 55 to 85

McDonnell & Miller 193-A Controller THPU32HP7Y the AFB24 is the engineeredThe McDonnell & Miller 193 A is a heavy duty combination low water cut off and pump controller engineered for commercial steam boiler applications. Designed for boilers with a maximum pressure of 150 PSI, this unit features dual snap acting SPDT switches for precise burner control and pump activation. The 193 A model utilizes alternate tappings to simplify installation on various boiler configurations. Its rugged float operated mechanism ensures