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How to Install aFireWater Water Vapor Fireplace

How to Install aFireWater Water Vapor Fireplace

aFireWater water vapor cassettes have been designed to be easy to install, simple to operate, and low maintenance.

Installation is a simple two-step process: Preparation and Installation.

Preparation / Step 1: Designing your project

It’s important to plan the design of your fireplace making certain you have sized the unit properly to fit your space.

Considerations include:

  • New or Existing Fireplace?
  • Access to electricity and water?
  • Recessed into wall, sitting proud of a wall or completely free-standing?
  • Is light cast upwards to ceiling undesirable? If so, better to recess unit into a “hearth” or “light trap ( see separate schematic).
  • What decorative materials will you use?
  • Access for maintenance and repairs?
  • Prevailing air currents from doors, windows, and existing HVAC?

The design of your fireplace is crucial. aFireWater advises that you sketch out your project or have it designed for you. You can then visualize it in the room and make any desired changes.

Interior designers, architects, design professionals, and builders, are the most qualified professionals to advise you and help you install your water vapor fireplace.

Note that it’s not necessary to create ventilation grates below the units in order to install the AFIREWATER modules. The air needed to operate is pulled from the top of the cassettes along the front and back sides of the lid which sit above the housing cutout.

Click to Download Recessed Hearth Installation Guidelines

Installation / Step 2

Once your design is final, installation can begin.

aFireWater installation

1. Prepare the housing with cutout exactly to the specifications provided.

To install an aFireWater vapor fireplace, you need to create a housing (a surface that will support the fireplace insert). A standard 120 Volt electrical outlet is required. (best located inside the housing). The system comes with a 100/240V (50-60 Hz) – 24V UL Listed power adapter (converter).

Click to Download Cutout Dimensions

Click to Download Fireplace Diagram

2. Plug in the system and insert it into its housing.

Unlike other water vapor systems, there is no need to have electrician hard wire the equipment and no need for an air intake below the unit making installation much faster, easier, and less costly.

3. Suspend the AFIREWATER module(s) into the cutout.

Suspend the AFIREWATER module(s) into the cutout after plugging in the electric power converter(s) and connecting the 1/4’’ waterline if direct plumbed.

If not direct plumbed, fill tank using tap water via the integrated pumping system.

That’s it!– the installation is complete!

You can start your system and enjoy an extraordinary fireplace experience!

Water Hardness Recommendations

Suggested Range for Water Vapor Fireplaces is 3.5 to 8.5 Grains Per Gallon, Ideal is 7.0

Water that is too hard will produce scaling, shorten transducer life, and require more frequent cleaning.

Water that is too soft will have reduced flame height.

If water hardness needs to be adjusted, consult a local water conditioning professional.

Note: Reverse Osmosis is not recommended, it removes ALL minerals and vapor cannot be generated.

Water Hardness in the US


Consult Owners Manual shipped with the fireplace for more information.

You can download pdf copy of the manual here:

aFireWater User Manual

Watch Installation videos

We hope you found this information helpful. If you have any questions email us at We are always happy to help!

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