Rheem Commercial Storage Tanks80 115 175 Gallon Users Manual RR102C 3

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Commercial Storage Tanks

Available in 80, 115 and 175 Gallon Models

Rheem-Ruud commercial storage tanks are vertical tanks

designed for applications that require large quantities of hot water

in short periods of time. When used in tandem with Rheem-Ruud

commercial water heating equipment, these storage tanks

provide the flexibility needed for many Commercial applications.

Installed individually, or in parallel manifold, these storage tanks

can provide 80% draw capability without an appreciable

temperature decrease in single temperature applications.

Construction Features:

• Long life tank design –

proprietary steel formulation

with two coats of high tem-

perature porcelain enamel

to maximize corrosion

resistance resulting in a

superior tank design. Two

heavy duty magnesium

anode rods are installed for

longer tank life.

• Space saving design –

unlike other storage tanks,

the ST80 and ST120 can

pass through a 30" opening

and the ST175 only

requires a 33" opening –

ideal for boiler room doors.

• Efficient design –

2" of rigid polyurethane

foam insulation provides

superior insulating qualities

resulting in reduced operat-

ing costs. Our patented

process of injecting foam

into the insulating cavity

adds additional durability

and toughness to the baked

enamel steel outer jacket.

• Tank openings –

circulating line connections

and hot outlet are 2" NPT

on the ST80 and ST120

and 2-1/2" NPT on the

ST175. Other openings are

provided for relief valve and

temperature control.

ST175 equipped with a

hand-hole cleanout.

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)).

•

Optional construction – ASME construction is available on all

storage tank models. Model numbers are ST80A, ST120A and

ST175A

•

T&P valve – must be ordered separately based on water heater

BTU input.

Continued on reverse.

ASME Models

Available

APPROXIMATE WIDTH REQUIRED FOR

MANIFOLDED STORAGE TANKS (Shown in English and Metric)

ST80(A) ST120(A)

MANIFOLD WITH FACTORY WITH FACTORY

TYPE UNITS MANIFOLD KITS MANIFOLD KITS ST175(A)

Duplex inches 54 58 66

mm 1372 1473 1676

Triplex inches 82 87 102

mm 2083 2210 2591

Quadruplex inches 108 116 137

mm 2743 2946 3480

Storage Tank(s) shall be model ________________, manufactured by RHEEM-RUUD. Storage Tank(s) shall have

a storage capacity of ________ gallons. Tank(s) interior shall be double coated with a high temperature porcelain

enamel and furnished with two magnesium anode rods rigidly supported. Tank(s) shall have a working pressure

rating of _______ psi, and shall be completely assembled. Tank(s) shall be insulated with 2" of rigid polyurethane

foam insulation. Storage Tank(s) shall be covered by a five year limited warranty against tank leaks.

ADD FOR ASME CONSTRUCTION

Storage Tank(s) shall be constructed in accordance with the requirements of the ASME Boiler Pressure Vessel

Code, Section IV Part HLW.

Limited Warranty

This product features a five year limited warranty against tank leaks.

Please refer to Commercial Warranty Information brochure

for complete warranty information.

Recommended Specifications:

COMMERCIAL

WATER HEATERS

Rheem Water Heating • 101 Bell Road, Montgomery, Alabama 36117-4305 • www.rheem.com

Rheem Canada Ltd./Ltée,128 Barton Street West, Hamilton, Ontario L8N 3P3

PRINTED IN U.S.A 01/07 WP FORM NO. RR102C-3 Rev. 9

In keeping with its policy of continuous progress and product improvement, Rheem-Ruud reserves the right to make changes without notice.

Commercial Storage Tanks continued.

HOT

HOT OUTLET

OPENING

1" NPT

RELIEF VALVE

OPENING

3/4" NPT

THERMOMETER

OPENING

3/4" NPT

AQUASTAT

OPENING

OPENINGS

FOR

CIRCULATING

LINES

D

C

A

B

DIMENSIONAL INFORMATION (All dimensions shown in English and Metric)

WATER CONNECTIONS APPROXIMATE

MODEL TOP FRONT SHIPPING WEIGHT

NUMBER UNITS AB C DOUTLET SIDE STD. ASME

ST80(A) inches 58-5/16 24-7/16 13-3/16 6-3/16 2 2 220 lbs. 260 lbs.

mm 1481 621 335 157 51 51 100 kgs. 118 kgs.

ST120(A) inches 59-1/4 28-1/4 11-1/16 4-1/16 2 2 300 lbs. 340 lbs.

mm 1505 718 281 103 51 51 136 kgs. 154 kgs.

ST175(A) inches 67-1/4 32-1/4 12-9/16 5-9/16 2-1/2 2-1/2 600 lbs. 600 lbs.

mm 1708 819 319 141 64 64 272 kgs. 272 kgs.

TANK INFORMATION (Shown in English and Metric)

MAXIMUM WORKING

MODEL TANK CAPACITY PRESSURE

NUMBER GALLONS LITERS STD. ASME

ST80(A) 80 303 150 PSI 125 PSI

1034 kPa 862 kPa

ST120(A) 115 435 150 PSI 160 PSI

1034 kPa 1103 kPa

ST175(A) 175 662 150 PSI 150 PSI

1034 kPa 1034 kPa

NOTE: 1" NPT drain opening on ST175(A). Handhole cleanout on ST175(A) only.