General DescriptionThe Thermaflo VSH Steam Fired Hot Water Storage Heater is a complete factory packagesystem that offers instant response to your hot water demands. Vertical design savesvaluable floor space with optional horizontal type storage tanks offered as an option. AllThermaflo Storage Heaters feature the unique “Accuchanger” heat load anticipator thatsenses demand changes and feed forwards the steam control valve so that accuratetemperature control is maintained over the entire flow range. The U tube 2 pass internalheating coil enables quick recovery so hot water demands are met at all times. As with all Thermaflo Engineering products, they are engineered with field experience so that you are always assured of a fit and forget installation saving time, energy and maintenance. Thermaflo Engineering unsurpassed high quality by the people who know STEAM..........

ASME Code Section VIII ConstructionNational Board Stamped and RegisteredCement, Glass or Potable Water Epoxy LiningPneumatic or Self Acting Steam Control ValveAll Steam Control Valves are Single Seated for TightShutoff on “No Load Standby Times”Full PID temperature controller and safety shutdownHeat Load “Accuchanger” to Anticipate LoadChanges Providing Feedback to the Control Valvefor Close Temperature Control over Varying DemandsIntegral Bronze Recirculation Pump System ASME CODE Relief ValveVacuum Breaker to Assure Condensate DrainageHigh Limit Safety Shutdown System

Ful-Port Bottom Storage Tank Blowdown ValveInsulation Package with Metal Jacket for Efficiency

Double and single wall tube designs

P.O. Box 473639 Charlotte, North Carolina 28247 Phone(704) 940-1228www.thermafloengineering.com

Standard VSH Storage Heater Features

MADE IN USA

C Sinc

e 19

86

Manufacturers Of Steam Fired Specialty Equipment

OmpanyEngineeringr VSH Series Hotwater

Storage Heaters

Inlet Steam Trap Assembly to Prolong Control Valve LifeU-Bend Internal Heating Coil Removable for Easy Service

Various Tank Capacities from 40 Gallons to 1400 Gallons

D

G

H

ILSKID

M

N

O P

V-200V-250V-300V-350V-400V-500V-600V-750V-850V-1000AV-1300V-2000

200250300350400500600750850100013002000

303036364242424848666072

72847284799411010811884119118

161616161616161616161616

889121212121214141418

2222.52.52.52.533344

222222222222

1.51.51.51.51.5222222.52.5

22222222222.52.5

141414161616181818202020

1111.51.51.51.522222

333333333344

363641414147474751515151

MODEL NUMBER

STORAGECAPACITY A B C D E/F G H I J K L M

VERTICAL STORAGE TANK DIMENSIONS AND CONNECTIONS

Typical SelfActing Version

Typical SelfActing Version

Notes: 1. All dimensions are in inches and storage capacity in gallons. 2. M dimension tube bundle pull space required. 3. P dimension may vary with load requirements. Consult Factory. 4. Dimensions are subject to change with application.

4. Dimensions are subject to change with application.

363636364242424848546476

N

303030303030303034343636

O

202022222222282828303030

P

H-150H-300H-500H-600H-750H-1000H1000SH-1200H-1500H-2000

15030050060075010001000120015002000

36424242485460606072

60729610810812096120144120

16161616181822222424

30364854546048607260

2222.52.52.52.5333

2222222222

1.51.51.51.51.522222

2222222222

24241818181818181818

1111.51.51.51.5222

3333344666

36364141414747475050

MODEL NUMBER

STORAGECAPACITY A B C D E/F G H I J K L M

Notes: 1. All dimensions are in inches and storage capacity in gallons. 2. M dimension tube bundle pull space required.

3. C dimension may vary with load requirements. Consult Factory.

30303636424248484864

N

30303030303030363640

O

20202020202228282830

P

HORIZONTAL STORAGE TANK DIMENSIONS AND CONNECTIONSStorage Capacities Available to 5000 Gallons and Custom Size Tanks to Fit Space

M

BD

G

H

I

L

MANWAY

J

N

OP

STEAM INLETSTEAM STRAINER

BL OWD OWN OU TLET

BLOWDOWN OUTLET

C

MANWAY

INSULATION AND STEEL JACKET

COLD WATER INLET (F )

STEAM INLET (H)STEAM STRAINER

VACUUM BREAKER

MANWAY NOT REQUIRED ON STAINLESS STEEL TANKS

VACUUM BREAKER

(G) CONDENSATE OUTLET