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Congratulations on your purchase of an 

 

OMEGA OME412 Gas Tankless Water 

Heater. 

 

You’re about to discover that not all water 
heaters are created equal. The Omega 
Comfort has made possible the design and 
production of this efficient and incredibly 
affordable Tankless water heater that will 
provide you with many years of uninterrupted 
service. It is the mission and goal of the 
Omega Comfort to continue to combine 
innovation, quality, affordability and 
reliability in all of its Tankless water heaters. 
Once again, thank you and congratulations. 

 

Before going any further, check and make 
sure that the following items accompany 
your water heater. There are two plastic 
pouches in the Styrofoam packaging that 
contain necessary hardware. 
 
Before we go any further let’s make a 
inventory: 
 

The first pouch

 will hold the two knobs for 

the unit.    
 
 
 They are the same so no designation is 
necessary. 

* Mounting brackets and bolts available on 
request only. 

 

- four bolts for hanging the unit  
 

The second

 will hold: 

 
- The Energy consumer guide  
-The lather from the president  
-This installation and instruction manual 
-Warranty statement  
-The business opportunity proposal  
-The Discount tickets. 
-They are also 2 mounting brackets taped on 
the back of the unit.  

 

              Safety Talk  
 

1.

 

Always follow all local codes, or in 
absence of local codes, follow the 

actual edition of National Fuel Gas 
Code, ANSI Z223.1/NFPA 54 in USA or 

Installation Codes for Gas Burning 

Appliances in Canada, the CGA 
standard, CAN/CGA B149.1 or 

CAN/CGA B 149.2  

 

2.

 

Check the rating plate for the correct 

gas type, gas pressure, water 
pressure, and electrical rating. DO 

NOT INSTALL the unit if any of those 
characteristics can’t be met. 

 

3.

 

If during unpacking, you observe any 
damages on the cabinet, flue parts or 

electrical cable of the water heater,                   
STOP UNPACKING!
                                

DO NOT INSTAL until you notified 

the factory and the unit is properly 
inspected. Always follow the factory 

technician suggestions.  

 

4.

 

Properly ground the unit in accordance 

with local codes and in absence of 
those with the National Electrical 

Codes,      ANSI/ NFPA 70 in the USA 
or Canada Electrical Code Part 1 in 

Canada. 

 

5.

 

If any problem arrives turn of the gas 

first from the valve and then the cold 
water supply. Call a trained technician, 

the Gas Company or our telephone 
hotline at (888)866-2118 for 

instructions. 

 
6.

 

Use caution in planning you 

installation. For maximum efficiency it 
should be installed at equal distance 

from all consumers, easy to access, 

shortest distance from the venting 

Summary of Contents for OME 412

Page 1: ...mation and instructions in this manual is not followed exactly a fire or explosion is possible causing property damage personal injury or death Warning Any Gas appliance creates flue gasses carbon mon...

Page 2: ...92 000 Btu Gas Connection NPT Water Connection 3 4 NPT Water pipes location On the top of the unit Water Pressure Min 19 psi Max 150 psi Recommended 55 psi Natural Gas Pressure Inlet Min 0 33 psi Max...

Page 3: ...sal The Discount tickets They are also 2 mounting brackets taped on the back of the unit Safety Talk 1 Always follow all local codes or in absence of local codes follow the actual edition of National...

Page 4: ...r heater 7 Operation OME 412 is a instantaneous thankless water heater designed to efficiently supply domestic hot water We combine the principle which is been around from the beginning of the 1900 wi...

Page 5: ...adiant temperature on any place on the unit is under 100 F so the possibility of Fire by contact is eliminated Freeze Prevention We see no reason to install your water heater outside OME 412 is been d...

Page 6: ...meter You can use your old flex hose if is sufficient long and at of list diameter Warning Your line has to have a pressure of minimum 0 33 PSI and the capacity to move a sufficient quantity of gas to...

Page 7: ...the water If the water is too cold your water volume is too big Need to reduce the overall water flow thru the unit to 12 liters per minute or until the temperature of the resulting water is acceptab...

Page 8: ...0 86 91 96 101 106 111 4 75 84 89 94 99 104 109 The result for Output temperature was reduced to 130 Degrees by the temperature safety devices anti scalding device included in the design of the unit T...

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