Congratulations! You've just purchased a new Marey Power Gas tankless water 
heater and will soon begin to enjoy the benets of "going tankless."
The availability of instant hot water, combined with the unit's outstanding energy 
eciency and space saving design, will quickly convince you that you've made the 
best decision for meeting your home's hot water needs.
Take the time to thoroughly read and understand this safety and installation manual 
in its entirety before you attempt to install your new Power Gas tankless water 
heater, as it contains important safety tips and instructions.
Please carefully read all instructions and warnings. Should you have any questions, 
please visit www.marey.com for installation videos and FAQ. Please keep this manual 
for future reference.
WARNING: If you are not familiar with basic plumbing and electricity, we highly 
recommend that you employ the services of a professional to assist you with this 
installation. Under no circumstances should you attempt to install, repair, or disas-
semble the Marey Power Gas water heater without rst shutting o any gas s 
upplied to the unit.