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8

We recommend the elimination of the water savers on the back of the shower 

heads if a repeat interruption of the hot water occurs. 
 

Any problem of the installation and maintenances can be asked at: 

 

888-866-2118 

Monday to Friday 9.00 Am to 5.00 PM 

 

Other factors to be taken in consideration 

 

 OME 412  Outlet  Temperature Chart  

 

Flow Rate 

GPM

 

45 F 

Inlet Temp.

 

50 F 

Inlet Temp.

55 F 

Inlet Temp.

60 F 

Inlet Temp.

65 F 

Inlet Temp.

 

70 F 

Inlet 

  Temp  

 

2.25

 

130*

 

130*

 

130*

 

130*

 

130*

 

130* 

 

2.50

 

124

 

129

 

130*

 

   130*

 

130*

 

130* 

 

2.75

 

116

 

121

 

126

 

130*

 

130*

 

130* 

 

3.00

 

109

 

114

 

119

 

124

 

129

 

130* 

 

3.25

 

104

 

109

 

114

 

119

 

124

 

130 

 

3.50

 

101

 

104

 

109

 

114

 

119

 

125 

 

3.75

 

95

 

101

 

105

 

110

 

115

 

120 

 

4.00

 

92

 

97

 

102

 

107

 

112

 

117 

 

4.25

 

89

 

94

 

99

 

104

 

109

 

114 

 

4.50

 

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. 
** The normal shower temperature  

Warning 

:

 Exposure to water at 125*F can produce first degree burns in 15 seconds

 

 

Typical Flows and Temp for Household Fixtures

 

Fixture 

        Type  

 

---->

 

Lavatory

 

Shower 

Low flow

Shower 

High 

flow

  

Kitchen 

Sink

  

Bathtub 

Jacuzzi

 

Dish 

Washer

  

Washing 

Machine

 

Flow Rates

 

0.8 - 1.5

 

1.0 -1.7

  

1.7- 3.0

*

 

1.0 -1.5

  

 2.0-4.0

  

1.0-1.5

  

1.5-2.0

  

Prevailing 

Temp. 

     Use 

 

80

° 

to      

105

°

 

100

°

 

to 

110

°

 

105

° 

to 

115

°

 

90

° 

to

 

110

°

 

105

° 

to 

115

°

**

 

80

° 

to 

  95

 

°

 

Flow Rates in Gals/ Minute 

Temperature in degrees 

°

* Energy Department website defines a “Legal” shower as a shower which use no more then 
1.76 gallons/minute. 
** All 9 years old or newer Dishwashers have their own heater element so incoming water 
temperature is somehow irrelevant. 

 

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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