Rated at approximately 40,000 grains, making it suitable for families of 1–6 people. Max Hardness Removal: Up to 120 grains per gallon (gpg).
Modern water softeners have moved far beyond the simple "timer" systems of the 1980s. The 40278 model incorporates several advanced features designed to save money and reduce environmental impact.
To clarify: When most people search for a "40278 water softener," they are looking for a designed to handle moderate to high hardness levels. It is engineered for families of 3 to 6 people, typically with a grain capacity of 30,000 to 40,000 grains.
