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Usage Basics

Our ZEN vaporizers need 8-30 minutes to preheat depending upon desired temperature and whether you choose to follow the Quick Preheat method. Once warmed up, it's ready for continuous use for hours.


  • Wait for the unit to reach operating temperature (8-30 minutes)
  • Be careful! The stem will be hot after use, over 160℃ ~ 320℉ (!!!)
  • Place the hot stem carefully on a heat resistant surface or stuff it into the supplied heat shield until cool to help avoid burns and damage to furniture, etc...
  • Check for and remove any debris from the heat port after use


  • Leave your assembled ZEN (stem in) unattended
  • Cover the heat port with anything that isn't flame-resistant. Covering the top can accelerate preheat time and lower energy consumption when leaving the unit on stand-by, possibly at a lower voltage.

Setting the Temperature

Head in Cloudz ZEN run at a temperature based on the voltage you select on the power supply.

Voltage Watts Temperature (±5%)
15v 9~11 365℉ / 185℃
16v 10~12 375℉ / 190℃
18.5v 12~15 415℉ / 215℃
19.5v 12~17 425℉ / 218℃
20v 13~17 430℉ / 220℃
22v 13~21 445℉ / 230℃
24v 13~26 465℉ / 240℃


Preheat chart

Choose your temperature by selecting the appropriate voltage on the power supply, plug in and wait for the green light to turn red (or orange if the desired temperature is under 180℃ ~ 355℉), usually about a half hour.

Quick Preheat

  1. Plug in base unit with the power supply at 24v
  2. Wait 8 minutes (longer for hotter temperatures), setting a timer is recommended
  3. Set the power supply voltage to your desired use temperature, 16v typically.

    Pocket Guide

    Coming soon!

    Until then, this page has some immediate tips and useful information to help you have a great experience with your Head in Cloudz vaporizer.


    Eventually the screen in the stem will become clogged. You should change the screen when it's difficult to push or pull air through the empty stem, about every other week with daily use. Always clean the metal end and glass tube interface when changing screens to help prevent a stuck stem.


    Regularly knock out any build-up of debris in the metal end with the supplied micro spoon. When the screen becomes clogged or damaged, it's a simple matter to pull the glass tube from the metal end to change the screen.

    Changing the Screen

    With a cool stem:

    1. Remove the glass tube from the metal end by pulling on the glass while pushing on the silicone collar. Do not use force, see Stuck Stem below for tips to resolve.
    2. Use the micro spoon to push out the screen once the glass tube is removed.
    3. Clean (with alcohol & cotton swab or soap & water) where the glass and copper parts come together, including scraping any build-up accumulated where the screen sits.

    If you clean the glass and metal ends with each screen change, you should be able to avoid a stuck stem, but hey... it happens to the best of us. Don't panic! read on...

    Stuck Stem

    The glass stem can become stuck, glued even to the metal end due to build-up of debris and oils from regular use without proper cleaning. If this happens, do not use force.

    With a cool stem:

    1. Use the supplied micro spoon to separate any stickiness between the silicone collar and glass tube; gently insert the micro spoon between the silicone collar and glass tube, wiggle and slide it around the entire circumference to verify that they're free of each other.

      This may be enough to free the glass from the metal end.
    2. If not, put the empty stem into the preheated base unit, just like for regular use. Allow it to heat for about a minute and carefully use hot pads to pull the metal end away from the glass tube. If it's still stuck, repeat the heating process, allowing it to heat a little more and be careful, those parts will be hot. Once apart and cooled, thoroughly clean the glass and copper interface with alcohol using a cotton swab or similar. Review the Changing the Screen instructions above.


    At its core, the base unit is a heater. There's always a burn potential with any heater. Use caution, pay attention and avoid accidents. Always set the base unit down with the heat port up (felt down) and only cover with a heat-resistant non-flammable material. Do not put anything in the heat port besides the stem and any product that may fall in from the stem to the heat port. Always visually check the heat port and immediately remove any debris.

    Heat Port Screen

    The heat port's screen is designed to last the lifetime of the product and should never need to be replaced.