The "Speed Up" pins are for diagnostic testing

Key Benefits Precision Threading: High-tolerance NPT threads provide a vacuum-tight seal for use in sensitive refrigerant piping

ensuring a seamless fit for aging HVAC blower motor assemblies without the need for mounting modifications

as modern ignition boards require a clean ground path for flame rectification

the A-F579213 is designed for use with standard HFC and HFO blends

Daikin-McQuay L129150068 Transducer Freon The "Speed Up" pins areThe Daikin McQuay L129150068 is a high precision low pressure suction transducer specifically engineered for continuous monitoring in commercial and industrial HVACR systems. As a genuine OEM pressure sensor, this unit converts suction side refrigerant pressure into a standardized 4 20mA output signal, ensuring seamless integration with building automation systems and chillers. Designed for rugged applications, the L129150068 provides the accuracy