A-4000-121 | OIL INDICATOR; REPLCMNT | Johnson Controls

Replacement Oil Indicator Cartridge: A-4000-121 by Johnson Controls The A-4000-121 Replacement Oil Indicator Cartridge is engineered to provide precise oil level monitoring in industrial and commercial applications. Manufactured by Johnson Controls, a trusted brand in the industry, this cartridge ensures accurate oil level indication for optimal equipment performance. Crafted from durable materials, this cartridge is designed to withstand harsh operating conditions, ensuring long-lasting reliability. Its easy-to-install design allows for quick and efficient maintenance, minimizing downtime. The A-4000-121 is compatible with various equipment models, making it a versatile addition to any maintenance toolkit. Our HVAC supply store offers the best prices and fast shipping for our products!