Rheem Professional Classic Electric Water Heaters

The new degree of comfort.

Engineered for Longer Life: Resistored Heating Elements and Premium Grade Anode Rod

Rheem Professional Classic electric water heaters are designed for extended durability and superior performance. Key features include resistored heating elements and a premium grade anode rod to ensure longevity.

Key Features and Benefits

Efficiency

UEF Rating: .90 - .93
Isolated tank design reduces conductive heat loss.
Resistored stainless steel upper and lower heating elements prolong anode rod and tank life.

Performance & Durability

First Hour Rating (FHR): 44 - 72 gallons, based on gallon capacity.
Recovery Rate: 21 GPH at a 90° F rise.
Premium grade anode rod provides long-lasting tank protection.
Rheemglas® tank lining resists corrosion and prolongs tank life.
EverKleen® helix diffuser reduces sediment, improving tank life and efficiency.
Enhanced-flow brass drain valve.
Temperature and pressure relief valve included.

Design and Installation Features

Electric junction box located above heating elements for easy installation.
Over-temperature protector cuts off power in excess temperature situations.
Automatic thermostat maintains desired water temperature.
Models compliant with HUD Standards for manufactured housing and modular construction.
Low lead compliant.

Warranty Information

6-Year limited tank and parts warranty.
With ProtectionPlus™, the limited tank warranty extends to 10 years.

*Refer to the Residential Warranty Certificate for complete details.

Compliance and Certifications

Units meet or exceed ANSI requirements and have been tested according to AHRI Operations Manual and D.O.E. procedures. They also meet or exceed energy efficiency requirements of NAECA, ASHRAE standard 90, ICC Code, and all state energy efficiency performance criteria.

Certifications: UL Listed, AHRI CERTIFIED

Product Range

Professional Classic Series:

Capacities: 19.9 to 55 Gallons
Voltage: 240 Volt AC / Single Phase
Available in Double and Single Element Models.

Specifications Table

See the chart below for detailed model specifications. Uniform Energy Factor (UEF) and rated gallon capacity are based on Department of Energy (DOE) requirements.

TYPE	NOMINAL GALLON CAPACITY	DESCRIPTION	RATED GALLON CAPACITY	MODEL NUMBER	FEATURES		ROUGHING IN DIMENSIONS (INCHES)			APPROX. SHIP WT. (LBS.)	ENERGY INFO. UEF
TYPE	NOMINAL GALLON CAPACITY	DESCRIPTION	RATED GALLON CAPACITY	MODEL NUMBER	FIRST HOUR RATING (GALLONS)	RECOVERY (GPH @ 90° F RISE)	TANK HEIGHT A	HEIGHT TO WATER CONN. B	DIAMETER C	APPROX. SHIP WT. (LBS.)	ENERGY INFO. UEF
Tall	30		27	PROE30 T2 RH95	44	21	47-1/2	50-3/8	19	92	0.92
Tall	40		36	PROE40 T2 RH95	55	21	60-3/4	63-5/8	19-1/4	109	0.93
Tall	50		45	PROE50 T2 RH95	63	21	58-5/8	61-5/8	20-1/4	121	0.93
Tall	55		55	PROE55 T2 RH94	72	21	57	59-3/4	22-1/4	128	0.92
Med.	30		27	PROE30 M2 RH95	45	21	37-1/2	40-1/2	20-1/4	92	0.90
Med.	40		36	PROE40 M2 RH95	55	21	48-1/4	50-1/2	20-1/4	106	0.93
Med.	50		45	PROE50 M2 RH95	62	21	48	50-1/2	23	132	0.93
Short	19.9			PROE20 S2 RH		21	31-1/2	31-1/2	17	62
Short	28		25	PROE28 S2 RH95	45	21	30	31-1/8	23	95	0.92
Short	28		26	PROE28 S2 RH95 B*	45	21	30	32-1/4	19-3/4	95	0.92
Short	36		33	PROE36 S2 RH95	46	21	31-1/2	33	24-1/4	118	0.92
Short	38		35	PROE38 S2 RH95 B**	51	21	31-1/2	34	23	108	0.92
Short	47		43	PROE47 S2 RH95	54	21	32	34	26-1/4	149	0.93

Notes on Specifications:

Insulation blanket(s) may be required to achieve specified UEF values. Water heater dimensions may increase with blanket installation.
Heaters are furnished with standard 240 volt AC, single phase non-simultaneous wiring and 4500 watt upper/lower heating elements.
Different heating element wattages can be requested.
Single element models (6000W max.) are available on special order.
Special wiring options are available; consult factory for pricing and availability.
All models are equipped with heat traps.
Recovery calculation: wattage / 2.42 x temperature rise (°F). Example: 4500W / 2.42 x 90°F = 21 GPH.

Diagram: Water Heater Connections and Dimensions

The diagram illustrates the top view of the water heater, showing the placement of key connections:

HOT WATER CONNECTION
RELIEF VALVE CONNECTION
COLD WATER CONNECTION
ANODE ROD

All water connections are standard 3/4" N.P.T.

Key dimensions are indicated:

A: TANK HEIGHT
B: HEIGHT TO WATER CONNECTION
C: DIAMETER

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