or the burner motor running without a spark occurring

effective area

Avoid over-stretching

Which air handler models are compatible with the HKR-08C

McDonnell & Miller 93-HDLS Controller Refrigerant or the burner motor runningThe McDonnell & Miller 93 HDLS (Part 162402) is a specialized head mechanism only assembly designed for critical steam boiler water level control. This combination low water cut off and pump controller is engineered for high pressure applications with a maximum steam pressure of 150 PSI. Built for heavy duty commercial and industrial environments, the 93 HDLS utilizes a robust mechanical float operated mechanism to provide reliable boiler pump control