Sensus-Gas Division 143-16-021-07 Black Spring 243/121/122

The Sensus-Gas Division 143-16-021-07 Spring in Black is a durable HVAC system component for Models 243, 121 and 122 gas pressure regulators. It is essential to maintain accurate outlet pressure by working in conjunction with the internal mechanisms of the regulator to balance gas flow. It is designed for residential and commercial gas applications and its purpose is to ensure consistent performance and safety in HVAC systems. With its robust black design, longevity and durability, efficient regulation and optimized system performance in heating and ventilation equipment.