1/2" NPT Hex Plug for Brew Kettle

Seal unused kettle ports with a secure, stainless steel 1/2" NPT hex plug designed for homebrewers who want a tight, leak-free closure during the boil or cleaning. Ideal for kettles with multiple ports, it provides a simple, reliable way to block off thermometer or valve openings when they’re not needed.

This plug threads cleanly into a standard 1/2" NPT female port and is sized to fit the Craft a Brew 8 Gallon Brew Kettle with Thermometer & Ball Valve Ports. Its solid stainless steel construction resists corrosion, maintains a tight seal under heat, and withstands repeated brewing cycles without warping or seizing. Brewers can install or remove it easily thanks to the hex head design, which allows a firm grip with a wrench when tightening.

Because it forms a dependable seal under high-temperature conditions, this plug helps prevent wort leaks, dripping, or steam escape from unused kettle openings. It also supports flexible brewing setups, allowing you to run batches with or without accessory attachments depending on the recipe or equipment configuration.

Made from durable stainless steel and built for longevity, this hex plug offers dependable performance for brewers looking to maintain a clean, controlled boil and protect their kettle between sessions.