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Insulation blankets are available to the general public for external
use on gas water heaters but are not necessary with these products.
The purpose of an insulation blanket is to reduce the standby heat
loss encountered with storage tank heaters. Your water heater
meets or exceeds the minimum effi ciency requirements with respect
to insulation and standby loss requirements, making an insulation
blanket unnecessary.
Should you choose to apply an insulation blanket to this heater, you
should follow these instructions (For identifi cation of components
mentioned below, see Figure 1). Failure to follow these instructions
can restrict the air fl ow required for proper combustion, potentially
resulting in fi re, asphyxiation, serious personal injury or death.
• Do not apply insulation to the top of the water heater, as this will
interfere with safe operation of the draft hood.
• Do not cover the outer door, thermostat or temperature & pressure
relief valve.
• Do not allow insulation to come within 2” (50.8 mm) of the fl oor to
prevent blockage of combustion air fl ow to the burner.
• Do not cover the instruction manual. Keep it on the side of the
water heater or nearby for future reference.
• Do obtain new warning and instruction labels from the manufacturer
for placement on the blanket directly over the existing labels.
• Do inspect the insulation blanket frequently to make certain it
does not sag, thereby obstructing combustion air fl ow.
INSTALLING THE NEW WATER HEATER
WATER HEATER INSTALLATION
1. To locate the position of the 3 1/2” (8.89 cm) or 4 1/2” (11.43 cm)
hole to be cut in the fl oor, see Figures 5 and 6.
FIGURE 5.
FIGURE 6.
2. If you have found that the water heater is being installed in an
area which, if the water heater was to leak, would cause damage
and have elected to install a metal drain pan refer to Figures 7, 8
and 9 on page 10. If you are not installing a drain pan go directly
to the next step.
NOTE: Clearances from combustible or non combustible surface to
jacket will change template dimensions.