Rheem Professional Series Use and Care Manual - Page 13

Hot and Cold Pipe Insulation Installation HOT FE I L ER EV L AV COLD HOT FE I L ER EVLAV COLD Typical vertical piping arrangement For increased energy efficiency, some water heaters have been supplied with two 24" sections of pipe insulation. Typical horizontal piping arrangement Please install the insulation, according to the illustrations above, that best meets your requirements. 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 23. During Installation of this water heater........... 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 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 pilot or 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 located around the lower portion of the water heater jacket. ❑ 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 operate the water heater if the sight glass or burner access door grommet is damaged or broken. Burner Access Door Grommet Sight Glass 13