Rheem Water Heater 81VR120 1 User Guide

Solaraide™  
Storage Tank and Electric Storage Water Heaters for Solar Applications  
Available in 80 and 120 Gallon Side Connect and Top Connect Models  
6-Year Limited Tank and Parts Warranty*  
Brass drain valve  
Cold water inlet brings cold water to  
Choice of two models…storage tank or  
single element water heater, both specially  
equipped for installation with residential  
direct solar systems  
tank bottom to prevent mixing with  
heated water  
Anode rod equalizes aggressive water  
action for prolonged tank life  
Cold water inlet, hot water outlet, relief  
valve and anode rod at top of tank for  
easy access and fast, economical  
installation  
Automatic temperature control  
Over temperature protector  
*See Residential Warranty Information Brochure  
for complete warranty information.  
Special threaded stud located near the  
outlet for attachment of tank sensors  
Temperature and pressure relief valve  
included  
Collector feed and return fittings located at  
front of tank for convenient installation  
Isolated tank design for better heat  
retention  
High efficiency heating element  
Rheemglas® tank lining resists corrosion  
and prolongs tank life  
Energy Factor and Average Annual Operating  
Costs based on D.O.E. (Department of  
Energy) test procedures. D.O.E. national  
average fuel rate electricity 10.65¢/KWH.  
DESCRIPTION  
ROUGHING IN DIMENSIONS (SHOWN IN INCHES)  
ENERGY INFORMATION  
T
Y
P
E
ELEMENT  
WATTAGE  
UPPER  
APPROX.  
SHIP WT.  
(LBS.)  
APPROX.  
R-  
FACTOR  
GAL.  
CAP.  
HEIGHT  
A
DIAMETER  
B
MODEL NUMBER  
SIDE CONNECT  
80 81VR80-1  
120 81VR120-1  
4500 W*  
58-3/4  
62  
24-1/2  
28-1/4  
24-1/2  
28-1/4  
192  
336  
192  
336  
R-17.3  
R-16.7  
R-17.3  
R-16.7  
T
A
L
L
4500 W*  
80 81VR80-T  
Storage Only  
Storage Only  
58-3/4  
62  
120 81VR120-T  
TOP CONNECT  
80 81VR80TC-1  
120 81VR120TC-1  
4500 W*  
58-3/4  
62  
24-1/2  
28-1/4  
24-1/2  
28-1/4  
192  
336  
192  
336  
R-17.3  
R-16.7  
R-17.3  
R-16.7  
T
A
L
L
4500 W*  
80 81VR80TC-T  
Storage Only  
Storage Only  
58-3/4  
62  
120 81VR120TC-T  
* Heaters furnished with standard 240 volt  
AC, single phase non-simultaneous  
wiring and 4500 watt heating element.  
If heating elements of different  
wattages than those shown are  
demanded by zone requirements,  
they must be specifically requested.  
• Solaraide models meet all current  
requirements for solar storage tanks.  
• The tanks are Rheemglas lined and are  
designed to operate up to 150 PSI.  
SIDE CONNECT  
TOP CONNECT  
Raised 7" from the bottom, the  
outlet to the solar collector panel  
helps prevent scale and  
sediment from entering and  
circulating through the solar  
system.  
A special threaded stud is also  
welded to the tank behind the  
lower cavity opening. Low voltage  
sensor wire is run from this point  
inside the jacket and out the top  
for easy control connection.  
A special threaded stud is also welded to the tank near  
the outlet for attachment of tank sensors.  
8"  
This unit uses the potable water  
COLLECTOR FEED  
These units are designed to  
meet or exceed ANSI  
within the tank for circulation  
ANODE ROD  
HOT OUTLET  
SENSOR WIRE  
COLD INLET  
through the solar system.  
RELIEF  
(American National Standards  
Institute) requirements and  
have been tested according to  
D.O.E. test procedures and  
meet or exceed the energy effi-  
ciency requirements of NAECA,  
ASHRAE standard 90, BOCA  
Code and all state energy effi-  
ciency performance criteria for  
energy consuming appliances.  
COLD  
HOT VALVE  
SIDE T&P OPENING  
COLLECTOR  
RETURN  
WATER CONNECTION NIPPLES  
ALL 3/4" N.P.T.  
A
8"  
B
SIDE T&P  
OPENING  
COLD  
INLET  
WATER CONNECTION NIPPLES  
ALL 3/4" N.P.T.  
HOT  
OUTLET  
COLLECTOR  
RETURN  
DIPTUBE  
COLD  
INLET  
COLLECTOR  
RETURN  
A
B
COLLECTOR  
FEED  
COLLECTOR  
FEED  
DIPTUBE  
Before purchasing this  
appliance, read important  
energy cost and efficiency  
information available from  
your supplier.  
SENSOR STUD AND  
LOW VOLTAGE WIRE  
7"  
WATER CIRCULATOR  
(REQUIRED FOR NON-  
GRAVITY SYSTEMS)  
SIDE CONNECT  
TOP CONNECT  
In keeping with its policy of continuous progress and product improvement, Rheem reserves the right to make changes without notice.  
Rheem Water Heaters • 101 Bell Road, Montgomery, Alabama 36117 • www.rheem.com  
PRINTED IN U.S.A  
06/08 WP  
FORM NO. 101-1 Rev. 13  
 

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