
Congratulations!
You've just purchased a new Aquamatic tankless water heater and will soon begin to
enjoy the benefits of “going tankless.”
Take the time to thoroughly read and understand this safety and installation manual
in its entirety before you attempt to install your new Aquamatic 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.
INSTALLING YOUR SHOWER HEATER
INSTALLING YOUR SHOWER HEATER - AQUAMATIC
AQUAMATIC TECHNICAL SPECIFICATIONS
CUSTOMER SERVICE
OTHER PRODUCTS
04
05
06
07
07

0504
1a 1b
2
3
4
5
WE ALSO RECOMMEND YOU TO BUY THE
SINGLE FUNCTION SHOWER HEAD
MAREY BRAND
MANERA CORRECTA
CORRECT WAY
MANERA INCORRECTA
WRONG WAY
AGUA CALIENTE / HOT WATER
AGUA FRÍA / COLD WATER
1. Wrap with teflon:
a) Both ends of a ½" straight nipple (not included);
b)The threads on the heater output.
2. Screw one end of the nipple into the back of the heater.
3. Screw the heater onto the pipe, holding the heater cover firmly. Tighten the heater
with an adjustable wrench.
4. Screw on the shower head.
EXTREMELY IMPORTANT!! DO NOT CONNECTPOWER BEFORE ALLOWING
WATER TO FLOW THROUGH THE SHOWER HEATER FOR 10 SECONDS OR
LONGER. DAMAGE MAY OCCUR TO THE UNIT WHICH COULD INVALIDATE
THE WARRANTY.
Turn faucet on and allow the water run for 10 seconds, then attach the shower head.
Note: Only use the shower head included with this Marey® Heater.
Damage may occur if a replacement head is installed and this could also void your
warranty.
5. Plug the heater to a receptacle* 6 feet away from the shower area.
*30 amp electric circuit for exclusive use of the heater. DO NOT USE
EXTENSIONS.
CONGRATULATIONS INSTALLATION IS NOW COMPLETE!
Once the faucet is turned on, hot water will come out instantly.
AQUAMATIC: SET THE TEMPERATURE BY REGULATING THE FLOW OF
WATER AND/OR BY USING THE TEMPERATURE SWITCH AT THE SIDE OF THE
UNIT.
I - LOW (Summer)
II - HIGH (Winter)

AQUAMATIC SANTON
POWERPAK PORTABLE POWER GAS
MINI MAREY
06 07
Please visit our website to get to know more about other Marey products.
Temperature increases listed are based on use of the water heater under optimal
conditions with an incoming water temperature of 48ºF. Variable factors such as
incorrect or imperfect installation or warmer incoming water temperature may yield
different results.
Delbrey Street, 211
San Juan, Puerto Rico
00912
www.marey.com
Voltage
110V
Voltage x Amperage = Power
110Vx23,5A=2.6kW
Width x Height x Depth
5" x 7.5" x 3.5"
TECHNICAL SPECIFICATIONS
AQUAMATIC
Min./Max. GPM
0.85 - 1.5 GPM
Temperature Control
HI & LOW Switch
& Water Pressure
Temperature Increase
110V = 10ºF - 23ºF
4 lbs
220V = 10ºF - 30ºF
220Vx16A=3.5kW
220V
Weight
0.85 - 1.5 GPM
HI & LOW Switch
& Water Pressure
5" x 7.5" x 3.5"
4 lbs
POWER
1
AQUA110
GPM
0.85
1.0
27º
15º
36º
21º
TEMP. INCREASE
PER GPM
POWER
2
1.25
1.5
11º9º14º
12º
POWER
1
AQUA220
GPM
0.85
1.0
45º
25º
60º
34º
TEMP. INCREASE
PER GPM
POWER
2
1.25
1.5
17º
15º
24º
20º
At Marey, we pride ourselves on the excellence of our
customer service and support team.
Please feel free to contact us if you have any questions
about our products, warranty service, or if you need
assistance installing a unit. We also strive for continuous
improvement, so we welcome your comments, feedback
and s uggestions.