This high-quality cumulator is designed to provide a 2:1 ratio for optimal performance in HVAC systems. Manufactured by a trusted brand, this product is built to last and ensure reliable operation. Its compact size makes it easy to install in tight spaces, while its durable construction ensures it can withstand the rigors of daily use. With the Johnson Controls C-202-2 Cumulator Rev, you can be confident that your HVAC system will operate at peak efficiency.