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Range Boiler
Model RB  (30,40, 80 and 120 Gallon Capacity)
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High Performance and High Efficiency

The Vaughn American-made Range Boiler combines Hydrastone cement lining with heavy gauge steel for the industry's most effective, longest lasting and reliable range boiler. For three generations, Vaughn has built range boilers of heavy gauge steel with half inch thick Hydrastone lining and bronze fittings at all six water openings.

Range Boiler

Hydrastone Lining

  • A seamless one-half inch thick lining which has proven to be the most effective method of preventing tank failure due to corrosion

Bronze Fittings

  • At all six tappings eliminates corrosion due to dissimilar metals. No dielectric unions or anode rod required.

Heavy Welded Steel Legs

Hand Hole Cleanout Option

  • Allows for easy inspection and cleaning of bottom of tank

Wide Selection

  • Models in 30, 40, 80, and 120 gallons

Protected in Shipping

  • Newly designed container allows for easy inspection and disposal

Warranty Information

  • 5 year limited tank warranty


Model Capacity Height Diameter A B C Weight
T30-RB 30 Gal 39 1/2 16 23 30 3/4 11 180
T40-RB 40 Gal 56 3/4 16 33 45 5/8 11 212
T80-RB 80 Gal 56 22 33 46 11 280
T120-RB 115 Gal 67 24 33 57 11 395

  • All tappings 1" except: 120 gal. model has 1 1/2" fittings
  • Hand hole cleanout option
  • Temperature and pressure relief valve required
Dimensions Diagram


  • Optional 4" hand hole cleanout flange
  • Optional electric backup elements (specify wattage and voltage - maximum allowed wattage is 12 kW)
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Range Boiler 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 Massachusets 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.


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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