Pipe Insulation; Heat Traps - Rheem PVR50-80 (NAT) Use And Care Manual

Hot and Cold Pipe Insulation Installation
Typical vertical piping arrangement
For increased energy efficiency, some
water heaters have been supplied with
two 24" sections of pipe insulation.
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.
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.
Typical horizontal piping arrangement
Please install the insulation, according to
the illustrations above, that best meets
your requirements.
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.
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