Nitrous Express 15940 14 amp 10-15 lb Heavy Duty Fully Automatic Nitrous Bottle Heater Fully... 14-Amps -04AN... Fits 10-15 lb. Bottle NX fully automatic bottle heaters are pressure controlled so you are always at the proper nitrous pressure. Heater element has surface temperatures above 300 degrees. This element can take a bottle from ice cold to operating pressure in minutes. Includes heater element, automatic pressure switch, HD 40-amp relay and harness and a -04AN manifold.Due to the adjustability of the pressure switch contained in this kit, it is compatible with all nitrous kits on the market.... Can be adjusted from 900 psi to 1200...