The 4" Pitless Control Unit with a 5' bury depth and 4.4-gallon capacity by Merrill Manufacturing is engineered for efficient water delivery in well systems. This unit features a 1-1/4" disc with a plate and cap, ensuring secure connections and optimal flow. Designed for durability, it is suitable for various applications, including residential and agricultural use. The pitless design allows for easy access and maintenance, while the robust construction ensures longevity even in challenging environments. This control unit is an excellent choice for those seeking reliable performance in water systems.