Evaporative Cooler Float Valve 2-9/32" H 3-1/2" W 3/8" MPT 1/8" FPT Dial 4180 Maintain consistent water levels in evaporative coolers, fountains, and industrial water systems with the Dial 4180 Heavy-Duty Float Valve ? a reliable, precision-engineered solution for automatic water supply control. Constructed from durable bronze with a black finish, this float valve ensures long-term performance in demanding environments where corrosion resistance and dependable shut-off are essential. Measuring 2-9/32 inches in height and 3-1/2 inches in width, the 4180 features a 3-inch float arm and is designed specifically for evaporative coolers, though it?s also suitable for use in swimming pools, fountains, and other industrial water applications. It includes a 3/8-inch male pipe thread (MPT) inlet and a 1/8-inch female pipe thread (FPT) outlet, allowing for secure, leak-free connections in standard plumbing setups. The internal float mechanism automatically regulates water flow, opening to refill the reservoir when levels drop and shutting off completely when the desired level is reached?preventing overflow, water waste, and potential damage. Its robust bronze construction withstands continuous exposure to moisture and mineral buildup, ensuring smooth operation over time. Weighing just 0.200 lb and packaged in a compact box, this single-unit valve is easy to store and install. It requires no electricity, operating entirely through mechanical float action for maintenance-free performance. The 11-1/2-inch depth includes full arm swing clearance, so ensure adequate space during installation. Features - Heavy-duty bronze float valve for evaporative coolers and water systems - Ensures automatic, consistent water level control - 3/8" MPT inlet and 1/8" FPT outlet for standard plumbing compatibility - 3-inch float arm for reliable actuation and shut-off - Prevents overflow and water waste with precise valve closure - Mechanical operation ? no power required - Durable bronze construction resists corrosion and wear - Suitable for industrial coolers, fountains, and swimming pools - Compact design with 2-9/32" H x 3-1/2" W footprint - Boxed packaging for protection and retail readiness Specifications - Brand Name: Dial - Model Name: Dial 4180 - Part Number: 4180 - UPC: 026529418003 - Product Type: Evaporative Cooler Float Valve - Material: Bronze - Primary Material: Bronze - Color: Black - End 1 Diameter: 3/8 inch (MPT) - End 2 Diameter: 1/8 inch (FPT) - Height: 2-9/32 inches - Width: 3-1/2 inches - Depth: 11-1/2 inches - Float Arm Length: 3 inches - Each Weight: 0.200 lb - Packaging Type: Boxed - Manufacturer: Dial Manufacturing Inc - Country of Origin: United States Product Application The Dial 4180 Evaporative Cooler Float Valve is designed for use in residential and industrial evaporative cooling systems where automatic water level management is critical. It maintains optimal reservoir levels to ensure efficient cooling performance while preventing overflow and pump damage. Commonly used in swamp coolers, cooling towers, decorative fountains, and pool makeup water systems, this valve delivers dependable, maintenance-free operation. Its rugged bronze build and precise shut-off make it ideal for continuous-duty applications in hot, humid, or dusty environments. Trusted by HVAC technicians and maintenance professionals, it?s an essential replacement part for keeping water-fed systems running smoothly.