MOUNTING KIT 3PC for THERMOMETER BULKHEAD BREW KETTLE MASH TUN STAINLESS STEEL 1/2" NPT HOMEBREW EQUIPMENT Required for mounting 1/2" NPT Thermometers with thermowells Works on Brew Kettles, Whiskey Stills, Mash Tuns, and Sparge water pots Just add teflon pipe tape to your thermometer thermowell where the nut will be.