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Electric Water Heater
Commercial Light Duty Series
Model S  (10-119 Gallon - Up To 12 KW)
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High Performance and High Efficiency

The S-Series electric water heater from Vaughn Thermal combines time proven technologies with our Hydrastone Cement lining for the industry's longest lasting and most reliable high efficiency water heater. The Vaughn S-Series electric water heaters are equipped with low watt density elements, thereby reducing the potential problem of mineral build up common to the failure of conventional elements. A cleverly designed cold water inlet connection gently diffuses the flow of cold water in the lower portion of the tank, resulting in improved energy efficiency and performance. The S-Series is available in a wide range of sizes, making it a versatile fit for any project. Lowest standby heat loss, proven components and the industry's longest lasting tank make the S-Series electric water heater the preferred choice for your water heating needs.

S Series

Heavy Duty Construction

  • Seamless Hydrastone cement lining provides long tank life
  • Plastic jacket will not rust, scratch or dent eliminating damage and is maintenance free

High Efficiency

  • 2" thick polyurethane foam insulation reduces standby heat loss to maximize operating efficiency

Advanced Heating Element

  • Low watt density element and all copper/brass construction provides protection against mineral build up

No Sacrificial Anode Rod

  • Reduces operation expenses by eliminating periodic inspection and replacement costs associated with maintaining an anode rod

Radiant and Space Heating Certified in the USA and Canada

Warranty

  • Industry leading 5 year tank warranty and 1 year limited parts warranty
How It Works

Model S Water Heater Specifications

Capacities: 10 thru 119 Gallons
Orientation: Vertical
Voltages: 120 thru 480 Volt
Phase: 1 Phase
Inlet Size: 3/4" Female NPT
Outlet Size: 3/4" Male NPT
Drain Size: 3/4" GHT
Relief Valve Size: 3/4" Female NPT
Relief Valve Type: T&P, 210°F, 150 psi
Thermostat Range: 110-170°F (surface)
Hi-Limit: 190°F Manual Reset
Design TP: 300 psi
Elements: Copper Sheathed
Insulation:
Model S: 2" Polyurethane Foam
Model ME: 3" Polyurethane Foam
Tank Warranty:
Standard: 5 Year Non Pro-Rated
Optional: 10 Year Non Pro-Rated Warranty
Electrical Warranty: 1 Year
Jacket: High Impact Colorized Composite
Finish: White with Black Trim

General Specifications

Tank

The Vaughn tank is all welded heavy steel construction designed for 150 psi working pressure and tested to 300 psi. Each tank is centrifugally lined with 1/2" thick seamless high density Hydrastone cement with guaranteed 100% coverage of all steel surfaces. All tank openings are non-ferrous solid copper-silicon and are resistant to the corrosive effects of hot water.

Plumbing

3/4" combination cold water inlet and drain, with non-corrosive strata flow diffuser which prevents incoming cold water from mixing too rapidly with the hot water in the tank and assures delivery of more hot water - not lukewarm. A 3/4" hot water outlet with a uniquely designed built-in heat trap prevents heated water from radiating through the piping during standby periods.

Electrical

Copper sheathed immersion heating elements with low watt density for prolonged life - up to 12 KW in 120, 208, 240, 277, 480 volt single phase. An adjustable surface thermostat operates in 110-170°F range.
Integral hi-limit with manual reset button for over-temperature protection is factory set at 190°F.
Upper and lower element configurations are factory wired for non-simultaneous operation.

Insulation

Highly efficient thick polyurethane foam insulation meets or exceed the requirements of ANSI/ASHRAE/IESNA 90.1-2007 standards for energy efficiency and heat loss.

Jacket

The exterior protective jacket is constructed from high impact composite material which cannot rust or corrode and does not require painting.

Outline Dimensions of Vaughn Residential Water Heater

Dimensional Data

Model Storage
Capacity
(Gallons)
Standard
Wattage &
Voltage
Diameter
(Inches)
Height
(Inches)
Shipping
Weight
(lbs.)
S10 10 1500 Watts
120 Volt
20 20 7/8 94
S19 19 20 32 7/8 124
S30 30 4500 Watts
240 Volts
20 41 157
S40 40 20 58 209
US40 40 26 33 206
S50 50 22 3/4 51 222
US50 50 28 36 246
S60 60 22 3/4 58 266
S65 65 26 47 7/8 254
S70 70 22 3/4 69 306
S80 80 26 58 311
S80T 80 22 3/4 72 3/4 317
S100 100 26 69 3/8 379
S120 119 28 69 398
Note: Alternate wattages up to 12 kW and alternate voltages up to 600V available, please contact factory.

Recovery Capacity (Gal./Hour) For Various Wattages & Water Temperature Rises

Wattage 130° 120° 110° 100° 80° 60° 40° 20°
1500 4.6 5.0 5.5 6.1 7.6 10.1 15.4 30.7
2000 6.3 6.8 7.4 8.2 10.2 13.6 20.5 41.0
2500 7.8 8.5 9.2 10.2 12.8 17.1 25.6 51.2
3000 9.4 10.2 11.1 12.3 15.4 20.5 30.7 61.5
3500 11.0 11.9 13.0 14.3 17.9 23.9 35.9 71.7
4000 12.6 13.6 14.9 16.4 20.5 27.3 41.0 82.0
4500 14.1 15.3 16.7 18.4 23.1 30.7 46.1 92.2
5000 15.7 17.0 18.6 20.5 25.6 34.2 51.2 102.5
5500 17.3 18.8 20.5 22.5 28.2 37.6 56.3 112.7
6000 18.9 20.5 22.3 24.6 30.7 40.8 61.5 123.0
7200 22.6 24.5 26.8 29.5 36.9 49.1 73.8 147.6
9000 28.3 30.7 37.2 41.0 51.2 68.3 102.5 205.0
10000 31.5 34.1 37.2 41.0 51.2 68.3 102.5 205.0
12000 37.8 41.0 44.7 49.2 61.5 82.0 123.0 246.0
14400 45.3 49.1 53.6 59.0 73.8 98.3 147.6 295.2
15000 47.3 51.2 55.9 61.5 76.9 102.5 153.7 307.5
18000 56.7 61.5 67.0 73.8 92.2 123.0 184.5 369.0
21600 68.0 73.7 80.4 88.5 110.7 147.5 221.4 442.8
24000 75.6 82.0 89.4 98.4 123.0 164.0 246.0 492.0
30000 94.6 102.5 111.8 123.0 154.0 205.0 307.5 615.0
36000 113.5 123.0 134.1 147.6 184.5 246.0 369.0 738.0
45000 141.9 153.7 167.7 184.5 230.0 307.4 461.2 922.5
54000 170.3 184.5 201.2 221.4 276.7 368.9 553.5 1107.0

Electric Heating Element - Dual Ratings and Recovery Rates - 240 Volts to 208 Volts

WATTAGE @ 240 VOLTS GPH RECOVERY WATTAGE @ 208 VOLTS GPH RECOVERY
1500 6 1123 4.5
2500 10 1881 7.5
3000 12 2253 9.0
3500 14 2628 10.5
4000 16 3004 12.0
4500 18 3380 13.5
5000 20 3762 15.0
6000 24 4507 18.0

Measurement of Resistance in Elements

WATTS VOLTS OHMS
1000 120 13.9
1000 240 57.8
1500 120 9.6
1500 240 38.1
2000 240 28.9
2500 240 23.1
3000 208 14.4
3000 240 23.1
3500 240 16.4
3800 240 15.2
4000 208 10.5
4000 240 14.4
4500 208 9.6
4500 240 12.8
4500 480 51.6
5000 208 8.7
5000 240 11.5
5000 480 46.0
5500 240 10.5
6000 208 7.2
6000 240 9.6
6000 480 38.1

Formulas

A = W / V
R = V / A
W = A x V

Options

  • Immersion thermostat specify 100-180°F
  • 1.5" Male NPT inlet and outlet water connections
  • Heating elements wired for simultaneous operation
  • Off-peak wiring for load management savings
  • Alternate voltages available
  • Horizontal construction available
  • 3" foam insulation for improved operating efficiency
  • 4" hand hole cleanout for hard water applications
Build Your Model
STEP 1:

Insulation

2" Foam Insulation
    3" Foam Insulation

STEP 2:

Storage
Capacity

Gallons

STEP 3:

Top Element
KW

KW

STEP 4:

Lower Element
KW

KW

STEP 5:

Voltage




Model Number:

Commercial Series Specific Questions

Why is dielectric isolation so important?

The unique design of the Vaughn heat exchanger electrically isolates the heat exchanger from the tank by means of a non conductive barrier installed between the two. This provides dielectric isolation between the tank and the heat exchanger thereby eliminating electrolysis between the two due to dissimilar metals. This feature is one reason why the Vaughn indirect water heater far outlasts competitor models.

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

Do I need a drain pan under my heater?

Yes, Vaughn advises that a drip pan with a proper drainage connection be installed under your water heater. In some locations drip pans are required by code and in other situations they are highly recommended, but not required. In either case, if a water heater leak or a dripping relief valve could result in property damage then a drip pan must be installed under the water heater, even when not required by code.

General Questions

Are Vaughn heaters made in the USA?

Yes. Vaughn water heaters are all made in the USA and our factories located in Connecticut and Massachusetts and qualify for incentives under The Buy American Act and the American Recovery and Reinvestment Act (ARRA). For more information go to the following link Here.

Where can I purchase a Vaughn water heater?

There are numerous ways to purchase a Vaughn water heater depending upon the model you desire and your geographic location. The easiest way is either to visit our "Where to Buy" option in the red menu bar across the website, or contact Vaughn directly at 978-462-6683 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.

What code requirements are applicable for my installation?

The installation of water heaters are mostly governed by the Uniform Plumbing Code (or CPC in California), Uniform Mechanical Code, and National Electrical Code. These are standard codes that are used across the United States, and each state can amend them as they wish. To take it further, each city and county jurisdiction has assigned one or more building officials with what is called Administrative Authority. This Authority" allows each jurisdiction the right to interpret the codes as they see fit. Because of this many cities differ on their requirements. Vaughn strongly recommends that you contract with a plumbing engineer who knows and understands the intricacies of the building code requirements for your location.

Is it OK if my plumbing system has plastic pipes (PVC or PEX)?

Yes. All Vaughn water heaters will work with both types of plastic piping.

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

Check out the Vaughn Product Center at Here for a complete listing of all technical Operation & Maintenance manuals documentation available by model. Get easy access to Installation Sales Brochures Service Bulletins Wiring Schematics Parts Breakdowns and various other technical documents related to the full line of Vaughn water heaters. Or if you prefer please call us at 978-462-6683 and ask to speak with Sales.

Downloads

Technical Documents


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.


Vaughn Water Heaters Logo
26 Old Elm Street
P.O. Box 5431
Salisbury, MA 01952-5431
Tel: 978-462-6683
Fax: 978-462-6497

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