Heat Trap
For increased energy efficiency, some | These heat traps may require a minimum |
water heaters have been supplied with | of one (1) 90° 3/4” NPT elbow and may |
factory installed 3/4” NPT heat traps in | require an additional 90° 3/4” NPT elbow |
the hot outlet line and cold water inlet | or a 3/4” coupling depending on your |
line. | installation needs. See Illustration of |
| nipples and heat traps on page 33. |
During Installation of this water heater...........
Blower Assembly Dilution Air Holes
Location of Dilution Air Holes
DO
❑DO check inlet gas pressure to ensure that it is within the range specified on the rating plate.
❑DO provide adequate air for combustion and ventilation as discussed in the Use and Care Manual and the National Fuel Gas Code.
❑DO maintain proper clearances to combustibles as specified on the rating plate.
❑DO allow enough time for joint cement vapors to dissipate BEFORE applying power to the water heater.
❑DO ensure that the venting system complies with the guidelines found in the Use and Care Manual and National Fuel Gas Code.
❑DO contact a qualified service technician if the main burner will not stay lit. The burner chamber is designed to be sealed utilizing a gasket and tamper resistant screws.
DON’T
❑ DON’T block or restrict Combustion |
Air Inlet Openings or the Flammable Vapor |
Sensor located around the lower portion of |
the water heater jacket. |
❑ DON’T block or restrict the Blower |
Assembly Dilution Air holes (see diagram to |
the left). |
❑ DON’T remove the Burner Access |
Door unless absolutely necessary. This |
should only be done by a qualified service |
technician. A new burner access door gasket |
must be installed on any burner access door |
that has been removed. |
❑ DON’T install this water heater where |
standing water may occur. The base of the |
water heater is meant to be mounted on a dry |
surface. |
❑ DON’T allow cleaners, solvents, or other |
materials to come into contact with the |
Flammable Vapor Sensor. |
Burner Access | Sight Glass |
Door Grommet |
Flammable
Vapor Sensor
❑ DON’T operate the water heater if the |
sight glass or burner access door grommet is |
damaged or broken (see to the left). |
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