Parker-Sporlan 101721 Pressure Regulator A81 1-3/8" ODF X 1-3/8" Port

Parker-Sporlan 101721 Pressure Regulator Model A81 is a high-performance component for HVAC systems. It has a 1-3/8" ODF connection and port size, and effectively controls downstream pressure by regulating refrigerant flow to keep the system stable and efficient. It is widely used as a regulator in air conditioning units, commercial refrigeration and industrial cooling applications to maintain optimum pressure levels to prevent system overload and to improve performance. Improvements in terms of energy efficiency, equipment longevity and reliable protection of the system are the main benefits. Due to these features, it is an essential part of ensuring that HVAC system and refrigeration systems operate with consistent levels of output.