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Indirect Water Heater
Featherweight ™ Series
Model PF  (30-120 Gallon Capacity)
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High Performance and High Efficiency

The new Featherweight™ indirect water heater by Vaughn is the industry's first heater to feature a fully pressurized thermoplastic storage tank paired with a factory installed and field removable heat exchanger coil that can meet and withstand even the most demanding hot water applications. As with Vaughn's other well known products, no dissimilar metals are present and no anode rod is necessary, ensuring years of reliable service you have come to expect from a Vaughn.

Featherweight Series

cULus Listed

AHRI Certified

Robust construction:

  • Thermoplastic storage vessel construction
  • 75-165 lb shipping weight
  • low standby heat loss
  • Corrosion resistant:

  • Water Quality Neutral
  • No anode rod needed
  • Fully Removable Heat Exchanger
  • Factory installed, finned, all copper heat exchanger
  • Single bolt stainless steel collar for easy access
  • Lifetime Warranty:

    2/10limited warranty

  • -two year labor, year year non-prorated residential warranty on vessel and heat exchanger
  • -optional lifetime residential warranty
  • -5 year non-prorated commercial warranty on vessel and heat exchanger
  • Tank Specifications

    Model Storage
    Overall Dimensions
    Domestic Water Boiler Water
    (Heating Coil)
    Relief Valve
    Cold Water
    Hot Water
    Height C Diameter A
    P30F 30 40.5" 22.75" 75 3/4" MNPT 3/4" FNPT 3/4" MNPT 3/4" FNPT
    P45F 45 53.5" 22.75" 90 3/4" MNPT 3/4" FNPT 3/4" MNPT 3/4" FNPT
    P45FD 45 53.5" 22.75" 120 1 1/2" MNPT 1 1/2" FNPT 1" MNPT 3/4" FNPT
    P55F 55 41" 28" 105 3/4" MNPT 3/4" FNPT 3/4" MNPT 3/4" FNPT
    P80F 80 53.5" 28" 135 3/4" MNPT 3/4" FNPT 3/4" MNPT 3/4" FNPT
    P80FD 80 53.5" 28" 145 1.5" MNPT 1.5" MNPT 1" MNPT 3/4" FNPT
    P120FD 120 74" 28" 165 1.5" MNPT 1.5" MNPT 1" MNPT 3/4" FNPT

    Performance Specifications

    First hour ratings based on:
    • 50°F inlet water temperature
    • 200°F boiler water supply to coil
    • Outputs may vary depending on boiler size, boiler water supply temperature, flow rate through coil and circumstances of installation and use.

    Clearance Requirements

    Measured From Floor
    Capacity (gal.) Height Clearance Required to Remove Electric Elements (in.) Height Clearance Required to Remove Heat Exchanger (in.)
    30 58 68
    55 57 69
    80 69 93
    120 101 134

    Clearance Requirements

    Measured From Top Pan
    Capacity (gal.) Height Clearance Required to Remove Electric Elements (in.) Height Clearance Required to Remove Heat Exchanger (in.)
    30 20 30
    55 18 30
    80 18 42
    120 29 62


    • Double Wall Heat Exchanger
    • Optional Lifetime Limited Warranty (Residential)
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    Top Performer Plus Specific Questions

    Is the Vaughn heat exchanger removable?

    Yes. The heat exchanger is fully removable in all Vaughn indirect water heaters. The benefit to having a removable heat exchanger is that the coil can be removed for cleaning and de-scaling for improved performance and efficiency when used in hard water applications. It should be noted that the heat exchanger is not removable and the coil cannot be cleaned in many other indirect water heater brands.

    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.

    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.


    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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