Customer Services We help. If you have any question about our Replacement for Mr. Heaters Nozzle Kits #28743, please us. We committed to providing customer services Nozzle Kits of all brass with rings seal for corrosions resistance and good sealing. They strongers than iron and iron galvanized products and more than castings #28743 Nozzle Kits for Mr. Heaters Nozzle Kits for Mr. Heaters MH175KT, MH175KTR forced air Kerosenes heaters. Nozzle Kits models from 2003 models to current Nozzle for Forced Air Kerosenes Heaters for outdoor use. For either use where adequate ventilation is provided. Never use in areas normally for habitation. Not for use where exposeds to weather Easy to Installs Removable for easy cleaning, quick and easy installation, and immediate restorations of heating. Easily improve your Heaters Performances with nozzle. Tool required 5/16” nut driver, 5/8" sockets and 1/8" Allens Wrenches, Manufacturer: DIEKE