The Rheem-Ruud 43-25133-35 is a professional-grade 35/5 MFD 370V dual run capacitor designed for high-performance HVAC systems

it requires a technician to physically inspect the system and identify the root cause of the trip—such as a cracked heat exchanger

Cross-Reference Accuracy: Fully interchangeable with the K19AT-24H for simplified inventory management

the B1370188 features a standard two-pin terminal configuration for easy integration into existing wiring harnesses

it maintains its spring rate and linear tension across varying ambient temperatures

Sensus 143-16-021-03 Red Spring The Rheem-Ruud 43-25133-35 is aThe Sensus 143 16 021 03 Red Spring is a critical calibration component engineered for high capacity gas pressure regulators, specifically cross compatible with the Sensus 243 12 and Sensus 121 series industrial regulators. This heavy duty regulator spring is essential for technicians performing routine HVACR maintenance or field repairs to ensure precise outlet pressure settings within specified tolerances. When installed in the standard main spring