Reelcraft 7850 OLP-HTH121 Spring Retractable High Temperature hose reels are very robust and ideal for the most demanding applications. The high operating temperature hose reels (HTH) are supplied with low pressure, rubber hoses for more extreme air temperature applications. The HTH reels are rated for temperatures ranging from -40 °F (-40 °C) to 212 °F (100 °C).