This 3/8 inch male thread hex nipple is crafted from stainless steel grade 304 and designed for direct connection of water heating pipes. The hex body provides easy wrench grip, enabling secure tightening and reliable sealing in tight spaces. Key benefits Corrosionresistant stainless steel 304 for durable performance in hot water environments Dual 3/8 inch male threads allow direct connection to compatible fittings, reducing assemblies and potential leak points Hex shape facilitates snug installation and easy removal with common tools Improves piping reliability by providing a compact, robust joint for water heating systems Suitable for use with appropriate pipe sealants or PTFE tape to ensure a tight, leak seal Key attributes Functionality: direct pipetopipe connection between two 3/8 inch female threaded fittings Compatibility: designed for standard 3/8 inch female threaded connections in water heating and piping applications Size: 3/8 inch male threads on both ends Material: stainless steel grade 304 Performance: durable, corrosionresistant fitting appropriate for residential and commercial hot water piping Use cases Connecting a water heater inlet or outlet to extend or hot water lines with a secure, leakresistant joint Replacing a damaged nipple in a domestic hot water line, boiler, or radiant heating system to restore flow Joining sections of piping in hydronic or heating installations where a compact, strong maletomale connection is required Installation tips Clean threads before installation and align fittings to avoid crossthreading Use an appropriate pipe sealant or PTFE tape suitable for metal piping Avoid overtightening to prevent thread damage and ensure a longlasting seal Note This hex nipple is intended for standard 3/8 inch threaded connections in water heating and related piping systems. Verify thread type and compatibility with your existing fittings before installation.