Electric Low Capacity

Light Duty Commercial

Electric cement lined water heater Model E
  • Light Duty
  • 6 - 120 Gallon Capacity
  • Up to 12KW - 1 Phase or 3 Phase

Ceiling Hung Horizontal

Electric horizontal ceiling hung water heater Model HE/HSE
  • Horizontal, Ceiling Hung
  • 20 or 30 Gallon Capacity
  • Up to 20 KW - 1 or 3 Phase

Heat Pump
Hybrid

Hybrid electric heat pump water heater Model PBX
  • Heat Pump Water Heater
  • 40 - 120 Gallon Capacity
  • 1 or 3 Phase

Point-Of-Use Storage

Point-of-use electric water heater Model CE110
  • Point-of-Use
  • 1 Gallon Capacity
  • 1000 or 450 Watts - 1 Phase

Point-Of-Use Tankless

Electric tankless point-of-use water heater Model R
  • Whole House / Point-of-Use
  • Availabe 3 thru 27 KW - 1 Phase

Electric
Booster

Electric booster water heater Model J
  • Booster Heater
  • Provides 180°F water
  • Up to 88 KW - 1 or 3 Phase

Tankless Electric Booster

Electric tankless booster heater Model JTX
  • Tankless Booster Heater
  • Provides 180°F water
  • 11 to 54 KW - 1 or 3 Phase

Heavy Duty Commercial

Commercial heavy duty electric storage water heater Model SE
  • Heavy Duty
  • 6-120 Gallon Capacity
  • Up to 58 KW - 3 Phase

Tankless Commercial

Electric tankless water heater Model TX
  • Tankless Commercial
  • Highly efficient tankless
  • Up to 54 KW - 1 or 3 Phase

Large ASME
Heater

Large capacity electric storage tank water heater Model SH
  • Large Capacity
  • 80-5000 Gallon Capacity
  • All KW ratings - 1 or 3 Phase
     

Commercial Gas Tankless

Gas tankless water heater Model GX
  • High Efficiency Condensing Burner
  • Integrated Pump
  • 200,000 and 250,000 BTUs

Integrated Tank with Tankless

Condensing gas storage tank water heater Model GXT
  • High Efficiency Condensing Burner
  • Hydrastone Cement
  • 200,000 to 250,000 BTUs

DI / RO Gas
Tankless

DI/RO gas fired tankless water heater Model DGX
  • DI/RO Water Heater
  • High Efficiency Condensing Burner
  • 199,950 and 250,000 BTU

Gas Tankless Booster

Condensing gas tankless booster water heater Model JBX
  • Gas Tankless Booster
  • For Commercial Kitchens
  • 250,000 BTU

Gas Storage
Heater

Condensing gas storage tank water heater Model GXT
  • Non Condensing Burner
  • Hydrastone Cement
  • 200,000 to 250,000 BTUs
   

Large ASME
Steam Heater

Steam fired water heater large capacity Model ST
  • Storage Type
  • 80-5000 Gallon Capacity
  • ASME Stamped

Packaged Semi-Instantaneous

Semi-Instantaneous Steam Fired Water Heater Model STX
  • Semi-Instantaneous
  • Space saving design
  • Provides 10,500 GPH

Point-Of-Use
Steam

Storage tank steam fired water heater Model PS
  • Light Duty
  • 80-120 Gallon Capacity
  • For low demand/recovery

High Capacity Instantaneous

Instantaneous steam fired water heater Model F
  • Instantaneous
  • 7 Sq. Ft. of floorspace
  • Up to 120 GPM
     

Semi-Instantaneous Indirect

Indirect fired semi-instantaneous water heater Hubbell Model BWX
  • Semi-Instantaneous
  • Vertical or Horizontal
  • ASME Stamped

Large ASME
Indirect

Indirect fired storage tank water heater Hubbell Model BW
  • Storage Type
  • Vertical or Horizontal
  • 80-5000 Gallon Capacity

Small Capacity Indirect

Indirect fired storage tank water heater model T Transflow
  • Indirect Fired
  • 30-120 Gallon Capacity
  • Utilizes boiler water

Solar

Solar water heater Model SLN
  • Solar Heater
  • Vertical Storage Type
  • 30-120 Gallon Capacity
       

Storage
Tanks

ASME and None ASME storage vessels Hubbell Model StorageTank
  • ASME & Non ASME designs
  • Hydrastone Cement
  • Vertical or Horizontal
     
       

Circulation (Instantaneous)

Electric circulation heater Hubbell Model CR
  • Circulation (Instantaneous)
  • Heavy Duty Construction
  • 25-1600 KW - 1 or 3 Phase

Explosion
Resistant

Electric hazardous location water heater Model ER
  • Hazardous Location
  • 10-120 Gallon Capacity
  • Up to 58 KW - 1 or 3 Phase

Industrial Process Heater

Electric process industrial water heater Model V
  • Process Systems & Industrial
  • ASME Stamped
  • Up to 88 KW - 1 or 3 Phase

Emergency Shower Tankless

Electric tankless safety shower water heater Model ETX
  • Tankless Emergency Tepid Water
  • NEMA 4 Standard
  • Up to 88 KW - 1 or 3 Phase

RO / DI Heater Compact

DI/RO electric hot water heater Model HD
  • RO/DI Water Heater
  • Point-of-Use Heater
  • Up to 88 KW - 1 or 3 Phase

RO / DI Heater Storage

DI/RO electric hot water heater Model D
  • RO/DI Water Heater
  • 1-120 Gallon Capacity
  • Up to 88 KW - 1 or 3 Phase

Tepid Water for Emergency Fixtures

Electric safety shower water heater Model EMV
  • Emergency Tepid Water
  • Fully packaged system
  • Integrated mixing valve

Fully Integrated Package

Model Packaged Skid
  • Customized to your specifications
  • Full featured system ready for your application

Light Duty
Electric

Electric water heater for shipboard marine use single phase power Model ME
  • Light Duty
  • 6-120 Gallon Capacity
  • Up to 6 KW - 1 Phase

Large ASME
Electric

Electric water heater for shipboard marine use large capacity Model MSH
  • Large Capacity
  • 80-5000 Gallon Capacity
  • All KW ratings - 1 or 3 Phase

Heavy Duty
Electric

Electric water heater for shipboard marine use three phase power Model MSE
  • Vertical
  • 6-120 Gallon Capacity
  • 1 or 3 Phase - Up to 58 KW

Tankless
Electric

Electric tankless water heater for shipboard marine use model MTX
  • Tankless Marine Heater
  • Provides 180°F water
  • 11 to 54 KW - 1 or 3 Phase

Naval

Naval shipboard marine electric water heater Hubbell Model 177
  • MIL Spec Navy Heaters
  • Comforms to MIL-H-965
  • Shock and EMI protection

Fully Integrated Package

Turn-key hot water system
  • Customized to your specifications
  • Full featured system ready for your application
   

Immersion Heating
Elements

Electric immersion tubular style heaters
  • Immersion Electric Heaters
  • Flanged or Screw Plugs Types
  • All KW ratings - 1 or 3 Phase

Heat Transfer
Coils

Heat exchanger and heating coil water heaters
  • Immersion Heat Transfer Coils
  • U tube type
  • Range of Materials
   
       
Electric High Capacity
Gas Fired
Steam Fired
Indirect
Storage
Special Purpose
Marine
Elements & Exchangers
Resource Center
Model MSH
Still have questions? Complete this form
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Model MSH & MH

Shipboard Electric Water Heater

80-5000 Gallon Capacity, 15-1600 KW, All Voltages & Phases

The Hubbell Model MSH and MH water heater is specifically designed for marine use on board a surface vessel or platform and is in USCG conformance and is ABS Type Approved. By utilizing deck and bulkhead mounting supports, the water heater is securely fastened to the ship structure, thus providing a secure and reliable water heater installation. The heavy duty carbon steel storage tank is lined with specially formulated hydrastone cement that provides superior protection, tank longevity and withstands demanding marine use.

When you specify and install a Hubbell model MSH or MH, knowing that it is in conformance with USCG regulations and is ABS Type Approved, you will have confidence that the ship owner will be provided with a quality product that is a long lasting and trouble-free source for hot water.

Learn More About Hydrastone Cement Lining

ABS Type Approved Product cULUS Listed ASME
  • Reliable

    • Only high grade materials used in construction to ensure long operating life
    • Hydrastone cement lining provides superior protection and tank longevity
    • Heavy duty construction withstands demanding marine use
  • Marine Approvals

    • United States Coast Guard (USCG) conformance and Type Approved by American Bureau of Shipping (ABS)
  • Mounting Systems

    • Heavy duty legs secure the tank to deck
    • Side-sway bulkhead attachment points provide added mounting stability
    • The entire mounting system is integrally welded to tank for maximum stability and safety
  • Packaged System

    • Fully packaged water heater saves time and money during installation
    • All electrical operating controls are factory selected and wired to ensure reliable operation
    • Full range of styles, sizes, and optional features to meet your exact water heating needs

Model MSH and MH Standard Equipment

Vessel Construction

  • All welded carbon steel vessel designed and built in strict accordance with the ASME Code Section IV and stamped, certified and registered with the National Board of Boiler and Pressure Vessel Inspectors
  • All internal tank surfaces are lined with a minimum of 5/8" thick Hydrastone cement for superior protection and tank longevity
  • Designed for 100 psi working pressure and hydrostatically tested at 150 psi (1 1/2 times the WP)

General

  • Heavy duty 2" thick fiberglass blanket insulation covers the pressure vessel for maximum operating efficiency and minimal standby heat loss
  • Heavy gauge galvanized steel protective jacket holds insulation in place and protected to ensure highly efficient operation
  • Integrally welded bulkhead attachment points
  • Entire vessel is supported on heavy duty integrally welded steel supports for sturdy deck mounting
  • Full five (5) year Non Pro-rated tank warranty and one (1) year electrical component warranty
  • Bronze ASME rated combination temperature and pressure safety relief valve set at the vessel working pressure and 210°F
  • ABS Type Approved and in conformance with USCG regulations

Electrical Operating Controls

  • All electrical operating controls are factory sized, selected, wired, tested and mounted in a NEMA 1 enclosure to ensure safe and reliable operation
  • A power distribution block is supplied for single point electrical installation
  • Power fuses rated at a maximum of 60 Amps protect each heating element branch circuit per NEC and UL requirements. Each branch circuit has a maximum rating of 48 Amps
  • Heavy duty definite purpose magnetic contactor with integrally mounted power fuse block assembly switches power on/off to each branch circuit
  • Heavy duty removable flange type immersion heating element provides long service life
  • Fully adjustable thermostat maintains accurate water temperature and is sized by the factory to control the appropriate number of heating element circuits
  • A generously sized transformer provides fused 120V to the control circuit
  • A fully adjustable (100-240°F) safety hi-limit device with manual reset interrupts power to the control circuit in the event of over-temperature water in the storage tank
  • Safety door interlock mechanism interrupts power to the control circuit upon opening the electrical control panel
  • Louvers in the control panel allow for cooling of the electrical components to ensure maximum electrical component longevity (when required)

Outline Dimensions

Model MSH (vertical)

Outline Dimensions

Model MH (horizontal)

Outline Dimensions

Dimensional Data, Model MSH & MH

Storage Capacity (Gallons) Overall Dimensions (Inches) Storage Tank Inlet
Outlet
Sizing (NPT)
Approx. Shipping Weight (Lbs.)
Vertical
Diameter
"A"
Height
"B"
Length
"C"
Width
"D"
Height
"E"
Bulkhead Mounting
"F"
Bolt Circle
"G"
Diameter x Length
80 26 65 60 26 32 15 18 22 x 54 1 1/2 1000
120 28 75 71 28 34 15 18 24 x 63 1 1/2 1150
150 30 79 75 30 36 20 20 26 x 68 1 1/2 1300
175 34 73 67 34 40 20 24 30 x 63 1 1/2 1500
200 34 82 76 34 40 20 24 30 x 72 1 1/2 1700
225 34 89 83 34 40 20 24 30 x 79 1 1/2 1750
250 40 74 68 40 46 20 30 36 x 64 1 1/2 1850
275 40 80 74 40 46 20 30 36 x 70 1 1/2 2000
300 40 88 82 40 46 20 30 36 x 78 1 1/2 2180
325 40 92 86 40 46 20 30 36 x 82 1 1/2 2300
350 40 94 88 40 46 20 30 36 x 84 1 1/2 2500
375 46 81 75 46 52 22 36 42 x 71 1 1/2 2600
400 46 85 79 46 52 22 36 42 x 75 1 1/2 2700
425 46 88 82 46 52 22 36 42 x 78 1 1/2 2900
450 46 93 87 46 52 22 36 42 x 83 1 1/2 3000
475 52 79 73 52 58 24 42 48 x 69 2 3100
500 52 82 76 52 58 24 42 48 x 72 2 3225
525 52 85 79 52 58 24 42 48 x 75 2 3350
550 52 89 83 52 58 24 42 48 x 79 2 3400
575 52 93 87 52 58 24 42 48 x 83 2 3500
600 52 95 89 52 58 24 42 48 x 85 2 3650
700 52 107 101 52 58 24 42 48 x 97 2 4000
800 52 119 113 52 58 24 42 48 x 109 2 4300
900 52 132 126 52 58 24 42 48 x 122 2 4800
1000 52 145 139 52 58 24 42 48 x 135 2 5200
1250 58 149 143 58 64 26 48 54 x 139 2 5600
1500 58 174 168 58 64 26 48 54 x 164 2 6000
1750 64 168 162 64 70 28 54 60 x 158 3 7400
2000 64 185 179 64 70 28 54 60 x 175 3 8100
2500 76 169 163 76 82 32 60 72 x 159 3 8200
3000 76 197 191 76 82 32 60 72 x 187 3 8300
3500 88 174 168 88 94 36 72 84 x 164 6 FLG. 8900
4000 88 195 189 88 94 36 72 84 x 185 6 FLG. 9800
4500 N/A N/A 178 94 100 40 84 90 x 174 6 FLG. 10700
5000 N/A N/A 200 94 100 40 84 90 x 196 6 FLG. 11600
Notes: All dimensions are approximate and subject to change. Please reference the submittal drawing for actual dimensions. The tank selections above are shown for convenience.
* 80, 120, and 150 gallon tanks do not come equipped with a manway.

Variables To Solve For:

KW Requirement:
_________ GPH x __________ °F ΔT x 0.00244 = __________ KW
Temperature Rise:
_________ KW x 410 ÷ ___________ GPH = ___________ °F ΔT
Flow Rate:
_________ KW x 410 ÷ ___________ °F ΔT = ___________ GPH

Recovery Ratings and Amperage at Selected KW

KW INPUT BTU/HR RATING Gallons Per Hour (GPH) Heated At Various Temperature Rises Amperage Rating At Various Voltages
60 °F Δ 80 °F Δ 100 °F Δ 120 °F Δ 140 °F Δ 208V 3F 240V 3F 380V 3F 440V 3F 480V 3F
15 51,195 103 77 62 51 44 42 36 23 21 18
20 68,260 137 103 82 68 59 56 48 30 28 24
25 85,325 171 128 103 85 73 69 60 38 35 30
30 102,390 205 154 123 103 88 83 72 46 42 36
35 119,455 239 179 144 120 103 97 84 53 49 42
40 136,520 273 205 164 137 117 111 96 61 56 48
45 153,585 308 231 185 154 132 125 108 68 63 54
50 170,650 342 256 205 171 146 139 120 76 70 60
55 187,715 376 282 226 188 161 153 132 84 77 66
60 204,780 410 308 246 205 176 167 145 91 84 72
65 221,845 444 333 267 222 190 181 157 99 91 78
70 238,910 478 359 287 239 205 195 169 106 97 84
75 255,975 513 384 308 256 220 208 181 114 104 90
80 273,040 547 410 328 273 234 222 193 122 111 96
85 290,105 581 436 349 290 249 236 205 129 118 102
90 307,170 615 461 369 308 264 250 217 137 125 108
95 324,235 649 487 390 325 278 264 229 145 132 114
100 341,300 683 513 410 342 293 278 241 152 139 120
110 375,430 752 564 451 376 322 306 265 167 153 132
120 409,560 820 615 492 410 351 333 289 183 167 145
125 426,625 854 641 513 427 366 347 301 190 174 151
150 511,950 1025 769 615 513 439 417 361 228 209 181
175 597,275 1196 897 718 598 513 486 421 266 244 211
200 682,600 1367 1025 820 683 586 556 482 304 279 241
225 767,925 1538 1153 923 769 659 625 542 342 313 271
250 853,250 1708 1281 1025 854 732 695 602 380 348 301
275 938,575 1879 1409 1128 940 805 764 662 418 383 331
300 1,023,900 2050 1538 1230 1025 879 834 723 456 418 361
325 1,109,225 2221 1666 1333 1110 952 903 783 494 453 391
350 1,194,550 2392 1794 1435 1196 1025 973 843 532 487 421
375 1,279,875 2563 1922 1538 1281 1098 1042 903 570 522 452
400 1,365,200 2733 2050 1640 1367 1171 1112 963 608 557 482
450 1,535,850 3075 2306 1845 1538 1318 1251 1084 685 627 542
500 1,706,500 3417 2563 2050 1708 1464 1390 1204 761 696 602
1000 3,412,000 6833 5125 4100 3417 2929 2779 2408 1521 1393 1204
1200 4,094,400 8200 6150 4920 4100 3514 3335 2890 1825 1671 1445
1400 4,776,800 9567 7175 5740 4783 4100 3891 3372 2130 1950 1686
1600 5,459,200 10933 8200 6560 5467 4686 4446 3854 2434 2229 1927
Notes:The KW selections above are shown for convenience. A full selection of KW ratings from 1 to 1600 KW is available by entering the desired KW into the model number. For alternate voltages including 415, 575 and 600 volt, please contact us directly.

Optional Equipment

Vessel

  • Alternate protective lining: Penolic epoxy resin
  • Alternate vessel construction: Stainless Steel (304, 316, 316L), 90/10 Copper-Nickel, other
  • Alternate working pressure
  • Alternate tank design: ASME stamped to Section I or VIII

General

  • Skid mounting on heavy duty all welded I Beam
  • Type 304 stainless steel protective jacket
  • Dual energy package provides operational flexibility for electric and steam or boiler water power
  • Manway 12" x 16" size
  • Inspection opening 3" NPT
  • Specific third party approval including BV, NR-13, Lloyds or MIL sec

Electrical

  • NEMA 4 weather resistant enclosure for outdoor/wet locations
  • Explosion resistant enclosure for hazardous locations
  • Built-in circuit breaker (with or without shunt trip) or a built-in non-fused On/Off disconnect switch
  • Alternate element sheath material (Incoloy, Stainless Steel, other)
  • Specialized heating elemtn construction including: Special watt density rating, passivation, electropolishing, hermetic seals or any other feature required to meet the needs of your application
  • Factory installed low water cut out device to disengage electrically the heating element(s) in the event of insufficient water in the tank
  • Dial thermometer and pressure gauge factory installed in the tank
  • Intra-tank circulation pump package with On/Off switch to continuously circulate water within the tank and thereby reduce stratification
  • Status indicationg lamp(s)
  • Audible alarm system
  • Digital display electronic temperature controller. Specify with or without RS485 communication port for remote operation of the temperature controller
  • Additional ground connections

Model Number Designation MSH



Step 1
Model:
MSH = Vertical
MH = Horizontal
Step 2
Storage Capacity:
80-5000 U.S. Gallons
-
-
Step 3
Electric KW:
5-1600 KW

Step 4
Vessel Type:
SL = Hydrastone Cement
lined tank
GL = Phenolic Lined Steel
CN = Solid 90/10
copper-nickel tank
SS = Solid stainless steel tank
(304 or 316L)

Step 5
Voltage/Phase/Hz:
RS = 208-1-60
R = 208-3-60
S = 240-1-60
T = 240-3-60
W = 277-1-60
T3 = 380-3-50/60
T7 = 415-3-50/60
T5 = 440-3-60
T4 = 480-3-60
T4S = 480-1-60
T6 = 600-3-60

Example:

MSH250-0-80SLT5

A Hubbell marine vertical water heater with a storage capacity of 250 gallons and an 80 KW electric heating element. The tank is cement lined. Power required is 440 VAC, 3 phase, 60 Hz.

Model MSH Specific Questions

What third party approvals are available?

The Hubbell water heater is built to both US and Canadian Standards under UL1453 (water heating only) file KSBZ.E239672 or UL834 (boilers and water heating) file BDJS.E51660. In addition, the Hubbell pressure vessel storage tank is built and stamped to ASME and National Board Registered. Other approvals are available upon request at the time of quoting, including CRN (Canadian Registration Number), NR-13 (Brazilian Regulation Standard Boilers and Pressure Vessels), ABS (American Bureau of Shipping), SASO (Saudi Arabia Standards Organization) and others. Please consult with your Hubbell Sales Engineer to discuss your third party approval requirements.

Is a glass lined tank recommended for marine use?

Not in a commercial marine environment. The real cost of a water heater in a marine environment, especially commercial marine, is the cost of replacement. Therefore, it makes economic sense to install a water heater with a long life expectancy. Hence, glass lined water heaters are not the best choice in a marine environment when a cement lined water heater can typically provide 3 times longer life in comparison.

What is a sacrificial anode and does a cement lined tank need one?

All water heaters constructed using a steel tank requires a lining to protect the internal steel surfaces from corrosion. Certain linings (i.e. glass and epoxy), due to their nature, have unavoidable holes and imperfections resulting in exposure of the steel tank. As a result of this deficiency, the manufacturer will install an anode rod(s) in an attempt to delay corrosion of the steel tank. An anode rod is typically made of aluminum, magnesium or zinc, is a maintenance item that requires periodic inspection and replacement, and is often times the cause of a “rotten egg” odor to your hot water. Often referred to as a sacrificial anode rod because, over time, it slowly dissolves, sacrificing itself as it is attacked by aggressive substances in the water which would otherwise attack the steel tank through the pinholes and imperfections of the glass or epoxy lining. A cement lined steel tank on the other hand does not require an anode because of the thickness and guaranteed 100% coverage of the cement lining over all internal surfaces of the steel tank. This eliminates the need for an anode rod in a cement lined water heater, resulting in a significantly longer life compared to a glass or epoxy lined water heater. For a further discussion please click on the following link Cement Lining

Is American Bureau of Shipping (ABS) approval needed?

Equipment and specifically water heaters for use in commercial marine applications require special construction features to ensure longevity and proper operation in a marine environment. In addition, the water heater must be constructed in conformance to the Code of Federal Regulations USCG 46 CFR Part 53.01 and the pressure vessel must be designed and constructed to the proper ASME code and stamped. A Hubbell marine water heater is manufactured under a Certificate of Manufacturing Assessment as issued by American Bureau of Shipping (ABS) Here

Which is better for me, a tankless or storage type water heater?

It depends. A tankless water heater is sometimes referred to as a Point-of-Use (POU) or instantaneous water heater. Due to the relative small physical size of a tankless water heater compared to a storage tank water heater, a tankless option can be advantageous from a space saving perspective and can sometimes be installed closer to where you want hot water (hence the term POU). However, tankless heaters are not suited for many applications, so it is critical that before choosing to go tankless you have carefully considered all of the factors that sometimes make the tankless option more complicated and risky compared to a storage type water heater. In particular, you should understand the operational characteristics, maintenance requirements, reparability, and sometimes significant installation requirements of a tankless water heater before making a decision. Tankless units do not store heated water like a storage type water heater; they only heat water as there is demand and therefore must be sized to meet the maximum flow for the application. In some cases a tankless water heater may improve operating efficiency, but possibly at the expense of user comfort. Hubbell tankless water heaters are available in Electric Tankless or Gas Tankless

General Questions

Where can I purchase a Hubbell water heater?

There are numerous ways to purchase a Hubbell water heater depending upon the model you desire and your geographic location. The easiest way is to contact Hubbell directly at 800-647-3165 and ask for the sales department where you will be directed to either our local representative or our order entry department for quick and easy ordering.

Where can I purchase replacement parts?

Parts are available for your Hubbell water heater direct from the factory. Please call 800-647-3165 and ask for our parts department. Please have your model and serial number handy.

I don't see the size or feature I need, what do I do?

Hubbell has more than 35 product families available in over 4,000,000 configurations. There are numerous features, configurations and ratings we provide but for practical reasons are are not listed in the sales brochure. If you have a specific requirement and you do not see it in the brochure, please contact a Hubbell Sales Engineer...chances are we have what you need.

What should I know about Legionella disease?

Legionella is the bacteria responsible for Legionnaire’s Disease, an acute bacterial infection of the lower respiratory tract. This bacterium was first identified in 1977 by the Centers for Disease Control as the cause of an outbreak of pneumonia that caused 34 deaths at a 1976 American Legion Convention in Philadelphia. Pontiac Fever is a less severe, non-pneumonia, flu-like disease that is associated with and likely caused by Legionella bacteria. Legionella is a fairly common water bacterium and has been found to exist widely in many surface water sources including lakes, rivers, streams and ponds. It can also be found in ground water sources and some soils. At the levels found in these naturally occurring sources it typically does not pose a threat to public health. When the bacterium enters a domestic water system it can find an ideal host environment of warm water temperatures (105-115°F), stagnant water areas (isolated storage tanks and dead-end piping legs) and ample food sources (sediment, scale, deposits and biofilm). Under these conditions Legionella can rapidly colonize, forming higher concentrations that can pose the public health threat of Legionnaire’s Disease. There are many methods of controlling colonization of Legionella bacteria. However, a widely accepted and preferred method is to maintain the hot water system storage temperature continually at or above 140°F. Unfortunately, the elevated temperature necessary to minimize the growth of and kill Legionella bacteria has the potential to cause serious thermal shock and scalding injuries. As such, many plumbing engineers will specify that the water heater be set to maintain water temperatures at 140°F or higher to reduce the risk of Legionella, but then specify the appropriate mixing valve to ensure safe delivery of hot water to the fixtures. For a more thorough discussion of Legionella please go to here and the following link to the US Department of Labor OSHA information regarding Legionnaires’ Disease OSHA here

My question is not found in these FAQ’s, where do I look next?

Check out the Hubbell Product Center at Here for a complete listing of all technical documentation available by model. Get easy access to Installation, Operation & Maintenance manuals, Sales Brochures, Service Bulletins, Wiring Schematics, Parts Breakdowns and various other technical documents related to the full line of Hubbell water heaters. Or, if you prefer, please call us at 800-647-3165 and ask to speak to a Sales Engineer.

Downloads

Many of our products literature is available online for download. To open these files, a PDF viewer is required. If you do not have one, Adobe provides Acrobat Reader free of charge for viewing only. Use this link to download Acrobat Reader. You may also choose to download the file to your PC for future reference or printing. On most operating systems, simply right-click on the links below, choose "Save target as..." or "Save link as...", choose a location and it will save the document to your computer for future reference.

Model MSH Specific Questions

My question is not found in these FAQ’s, where do I look next?

Check out the Hubbell Product Center at Here for a complete listing of all technical documentation available by model. Get easy access to Installation, Operation & Maintenance manuals, Sales Brochures, Service Bulletins, Wiring Schematics, Parts Breakdowns and various other technical documents related to the full line of Hubbell water heaters. Or, if you prefer, please call us at 800-647-3165 and ask to speak to a Sales Engineer.

Where can I purchase replacement parts?

Parts are available for your Hubbell water heater direct from the factory. Please call 800-647-3165 and ask for our parts department. Please have your model and serial number handy.


For Further Assistance Please Contact a Hubbell Tech Support Rep.

Sam Wellington
samw@hubbellheaters.com
203-378-2659 x136
D.J. Dineson
djdineson@hubbellheaters.com
203-378-2659 x125
Hubbell Heaters
45 Seymour Street
P.O. Box 288
Stratford, CT 06615-0288
Tel: 203-378-2659
Fax: 203-378-3593
Product Center
Hubbell Binder

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