A. O. Smith PM-26 User Manual

Pump & Expansion Tanks

PUMP TANK FEATURES

NON-CORROSIVE MET AL AIR VALVE

100 PSI WORKING PRESSURE

MULTIPLE HEAD CONSTRUCTION

■ Provides added structural strength and more capacity

within the same diameters.

INTERIOR EXPOXY COATING

■ Permanently bonded to the tank shell to provide the

ultimate protection on the water side of the tank.

DURABLE BUTYL DIAPHRAGM

■ Ensures long life.

POSITIVE LOCK RETENTION SYSTEM

■ Quality controlled compression in the diaphragm

connection eliminates loss of air or water leaks in the tank.

ELECTROST ATICALLY APPLIED POWDER COA TED EXTERIOR

■ Tough powder coating provides maximum resistance to sunlight (UV) and

is undercoated with zinc phosphate for the highest corrosion resistance.

WELDED STEEL BASE

5-YEAR LIMITED WARRANTY

For complete information, consult written warranty or contact A. O. Smith Water Products Company

EXPANSION TANK FEATURES

AVAILABLE AS HYDRONIC OR POTABLE WATER EXP ANSION TANKS

DRAWN STEEL CONSTRUCTION

HEAVY DUTY BUTYL DIAPHRAGM

IAPMO APPROVED

MAXIMUM WORKING PRESSURE 150 PSI*

*ON PMC AND TW SERIES MODELS

Certified to

NSF/ANSI 61-G and 372

WARRANTY

■ 5-year or 1-year potable expansion tanks

■ 1-year hydronic expansion tanks

Revised February 2013

Certified to

NSF/ANSI 61-G and 372

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AOSEB55100

Pump and Expansion Tanks

PUMP TANK SPECIFICATIONS Max working pressure 100 psi

MODEL

NUMBER

VOL.

(GAL.)

CONN

NPT

SIZE

“A”

OVERALL

HEIGHT

(INCHES)

“B”

TO CENTER OF

WATER INLET

(INCHES)

“C”

DIAMETER

(INCHES)

PMI AND PM SERIES (FREE-STANDING)

PMI-2 2.0 3/4 M 10-3/16 – 8-1/4 5

PMI-5 4.6 3/4 M 14-3/4 – 11 9

PMI-7 7.0 3/4 M 21-1/16 – 11 12

PMI-14 14.0 1M 21-1/4 2 15-3/8 24

PM-14 14.0 1F 24-3/4 2 24

PM-20 20.0 1F 31-3/8 2 34

PM-26 26.0 1F 39-9/16 2 40

PM-32 32.0 1F 47-1/4 2 52

PM-45 45.2 1-1/4 F 36-9/16 2-1/2 22 65

PM-65 65.1 1-1/4 F 48-5/8 2-1/2 22 90

PM-85 84.9 1-1/4 F 60-11/16 2-1/2 22 114

PM-86 83.5 1-1/4 F 46 2-1/2 26 116

PM-119 115.9 1-1/4 F 61-5/16 2-1/2 26 161

15-3/8 15-3/8

15-3/8

PMH SERIES (HORIZONTAL)

PMH-7 7.0 3/4 M 12-7/8 6-3/4 11 12

PMH-14 13.9 1M 18-3/8 8-3/4 15-3/8 24

PMH-20 19.9 1M 18-3/8 8-3/4 15-3/8 34

Note: M-Male Connection

F-Female Connection

All models 38 PSI pre-charge

WEIGHT

LBS

MODEL

NUMBER

MAX.

(PSIG) WORKING PRESSURE

TAN K

VOLUME

(GAL)

MAX. ACCEPTED VOLUME (GAL)

PSI

CONN.

NPT SIZE

OVERALL

HEIGHT

(INCHES)

DIAMETER

(INCHES)

WEIGHT

LBS

PMC SERIES (POTABLE EXPANSION TANKS) 5-YEAR WARRANTY

PMC-2 150 1.98 1.53 1.27 1.03 3/4 10-3/16 8-1/4 5

PMC-5 150 4.55 3.75 3.05 2.19 3/4 14-3/4 11 9

PMC-10 150 9.25 7.8 6.55 5.25 3/4 15-3/8 15-3/4 20

PMET SERIES (HYDRONIC EXPANSION TANKS) 1-YEAR WARRANTY

PMET-2 100 1.96 1.53 N/A N/A 1/2 10-3/16 8-1/4 5

PMET-5 100 4.55 3.75 N/A N/A 1/2 14-3/4 11 9

PMET-7 100 7.3 4.6 N/A N/A 1/2 21-1/16 11 12

PMET-14 100 14.6 10.5 N/A N/A 1/2 21-5/8 15-3/8 22

All PMC are 38 PSI pre-charge All PMET Models are 12 PSI pre-charge

For Technical Information and Automated Fax Service, call 800-527-1953. A. O. Smith Corporation reserves the right to make product changes or improvements without prior notice.

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