Rheem Water Heater 120 User Guide

Point-Of-Use  
Electric Commercial Water Heaters  
Available in Sizes Ranging From 2-1/2 – 30 Gallon Tank-Type Models  
1440 Watts thru 6000 Watts  
Rheem-Ruud point-of-use electric commercial water heaters are designed to  
provide hot water at the consumption point, eliminating costly temperature  
loss in long piping runs. Well suited for a wide variety of applications, point-of-  
use heaters are small enough for installation in limited spaces under coun-  
ters, mop sinks, cabinets, or any remote area where modest quantities of hot  
water are required. They are ideally suited for applications in retail stores,  
public restrooms, office washrooms, kitchen and mop or bar sinks.  
Construction Features:  
Long life tank design –  
Optional wall mounting kit –  
The wall mounting kit provides an  
easy way to mount the unit off the  
floor, out of the way for more use-  
able floor space in a small area.  
Each kit is designed to be used on  
walls with 16" stud centers. All  
necessary parts are included in  
this easy to install kit. (Note: The  
2-1/2 gallon model comes stan-  
dard with a wall mounting kit.)  
proprietary steel formulation with a  
unique coat of high temperature  
porcelain enamel to maximize  
corrosion resistance resulting in a  
superior tank design. A patented  
R-Tech anode rod provides  
advanced technology; equalizing  
aggressive water action while  
prolonging the effective life of  
the anode rod and in turn the  
life of the tank.  
120, 208, 240,  
277 and 480  
voltages  
N
®
Automatic temperature  
control –  
A surface mounted thermostat  
automatically cycles on and off to  
maintain the water temperature at  
a desired preset level.  
Long life heating elements –  
Our patented resistor elements  
are designed with a specially  
treated, double layer of magne-  
sium oxide and copper to  
resist corrosion.  
Temperature limiting control –  
Automatically and safely cuts off  
the power in the unlikely event that  
the water temperature exceeds  
190°F.  
Efficient design –  
Rigid polyurethane foam insulation  
provides superior insulating  
qualities resulting in reduced  
operating costs.  
Temperature and pressure  
relief valve –  
AGA/ASME rated and factory  
installed.  
Certifications and Ratings:  
• Efficiency – these models meet or exceed thermal efficiency and standby  
loss requirements of current ASHRAE standards. (Part of the Federally  
mandated Energy Policy Act (EPact)). Also exceeds energy efficiency codes  
of all states including California Energy Commission (CEC).  
• Safety and construction – these products are design certified by  
Underwriters Laboratories (UL) to meet UL standard 174 as electric storage  
tank water heaters. All models are North Carolina Code compliant.  
CERTIFIED FOR A 150 PSI MAXIMUM WORKING PRESSURE.  
Continued on reverse.  
 

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