Dial 9209 Evaporative Cooler Overflow Drain Nylon Black 1/2 in 0.1 lb The Dial 9209 Evaporative Cooler Overflow Drain is a compact, corrosion-resistant component designed to prevent water overflow in swamp coolers by ensuring reliable drainage through threaded overflow pipes or standard male garden hose connections. Made from durable black nylon, it withstands prolonged exposure to moisture and temperature fluctuations without rusting or degrading. The fitting includes an O.D. washer for a secure seal and features flat sides compatible with all major cooler models, allowing for easy hand-tightening during installation. Its 1/2-inch connection size and lightweight design (0.1 lb) make it a practical, maintenance-friendly solution for maintaining optimal evaporative cooler performance. Features - Prevents water overflow by directing excess water safely away from the cooler - Durable black nylon construction resists corrosion and UV degradation - Compatible with threaded overflow pipes and male garden hose threads - Includes O.D. washer for leak-resistant connection - Flat sides enable easy hand-tightening?no tools required - Universal fit for most evaporative cooler brands and models - Lightweight (0.1 lb) and compact for simple replacement or retrofit - Bagged packaging for convenient storage and handling - Supports consistent cooler efficiency by avoiding water buildup - Ideal for seasonal maintenance or initial cooler setup Specifications - Brand Name: Dial - Model Name: Dial 9209 - Part Number: 9209 - Product Type: Evaporative Cooler Overflow Drain - Material: Nylon - Color / Finish: Black - End 1 Diameter: 1/2 in - Connection Type: Threaded (fits male garden hose and standard overflow pipes) - Item Weight: 0.100 lb - Packaging Type: Bagged - Country of Origin: United States - UPC: 026529920902 - Global Trade Identification Number: 00026529920902 - Manufacturer: Dial Manufacturing Inc. Product Application This overflow drain is used by homeowners and HVAC technicians during the installation, servicing, or seasonal preparation of evaporative coolers in dry climates. It attaches to the cooler?s overflow outlet to safely channel excess water away from the unit, preventing leaks, water damage, or reduced cooling efficiency due to pan overfill. Commonly replaced during annual maintenance or when upgrading older fittings, its universal design and tool-free installation make it suitable for portable or window-mounted swamp coolers in residential garages, workshops, patios, and desert-region homes?ensuring dependable, worry-free operation throughout the cooling season.