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13
For increased energy efficiency, some
water heaters have been supplied with
two 24” sections of pipe insulation.
Please install the insulation, according
to the illustrations above, that best meets
your requirements.
R
E
L
I
E
F
V
A
L
V
E
COLD
HOT
Typical vertical piping arrangement
R
E
L
I
E
F
V
A
L
V
E
COLD
HOT
Typical horizontal piping arrangement
Hot and Cold Pipe Insulation Installation
Heat Trap
For increased energy efficiency, some
water heaters have been supplied with
factory installed 3/4” NPT heat traps in
the hot outlet line and cold water inlet line.
These heat traps may require a minimum
of one (1) 90° 3/4” NPT elbow and may
require an additional 90° 3/4” NPT elbow
or a 3/4” coupling depending on your
installation needs. See Illustration of
nipples and heat traps on page 27.
For increased energy efficiency, this
water heater has been supplied with a
2 3/8” section of T&P insulation. Please
install the insulation as shown below.
Typical Top Connect T & P Arrangement.
T&P Insulation Installation
Typical Side Connect T & P Arrangement.
Slip the insulation cover over the T&P
Valve through the center hole and align
the hole in the side with the opening of the
T&P Valve.
Ensure the T&P Valve opening is not
obstructed by the insulation.
Inspect the insulation blanket
frequently making certain it has not
sagged and is restricting the air flow
to the combustion air inlet openings
(perforation holes) located around the
lower perimeter of the water heater
jacket. This could result in an unsafe
operating condition.
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