ECCOTEMP FVI-12 Natural Gas with Horizontal or Vertical Vent Kit

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Product Details

This bundle includes the FVI12-LP Tankless Water Heater, 2.5" to 3" stainless steel adapter, and the 3" Horizontal Vent Kit.

The Eccotemp FVI12-LP Tankless Water Heater is a liquid propane fired, indoor tankless water heater designed for small to medium hot water production where you need more than one hot water application at the same time. This model is perfect for vacation cabins, cottages, and smaller homes. The FVI12 offers a 45-degree Fahrenheit temperature rise when operating at 4 GPM maximum flow capacity and a 77-degree F temperature rise at 2.3 GPM. Included in the bundle is a horizontal stainless steel vent kit, ready to install. The Eccotemp FVI12-LP's 120 volt UL listed power cord powers the internal exhaust fan and digital display and only pulls about 2 watts idle and 1.07 Amps during operation, making it ideal when energy conservation is paramount.

FVI12 Product Manual

Eccotemp FVI-12 LP Dimensions:

  • Height 24.75"
  • Width 15.25"
  • Depth 6"
  • Weight approx. 33 lbs.
  • Shipping weight 34.7 lbs.

What’s Included:

  • Stainless steel vent kit
  • 110 volt UL listed power cord
  • 2.5”-3” Stainless steel adapter
  • 3” Vertical Vent Kit
  • 2-year manufacturer warranty

Some additional Features:

  • Sleek modern design
  • Digital temperature display
  • True 1/2" NPT water fittings
  • Manual water temperature controls
  • Liquid Propane Powered
  • 4 GPM flow capacity
  • Power ventilation for safety, efficiency, and venting options
  • Tested-Safe Electronic ignition system
  • Fully independent gas and water controls
  • Precise temperature and water flow adjustment
  • Uses gas only when hot water is on
  • Requires standard household 120-volt electric outlet
  • UL listed electrical components
  • Energy factor: 79%
  • Hot water capacity range: 0.93 - 4.0 GPM
  • Maximum / Minimum gas rate: 25,000 to 74,500 BTUs

2.5 to 3" Stainless steel adapter

This stainless steel adapter can be used with the Eccotemp FVI12 series taking it from a 2.5" to a standard 3" vent system. Total length is 6". Note, you may need to purchase a straight pipe piece with a backflow preventer to ensure that freezing air does not come back through the vent pipe.

Eccotemp Horizontal Vent Kit 3"

This 3" single walled Horizontal, Stainless Steel Z-Vent, Wall Hung, Water Heater Vent Kit for Eccotemp 40HI-LP and 40HI-NG (indoor) models is supplied with all the necessary components for a quick and seamless installation. It includes the following pieces:

  • (1) Termination Hood with backflow preventer
  • (1) 3" x 90 Degree Elbow
  • (1) 3" x 1' Pipe
  • (1) 3" Wall Thimble
  • (1) 3" Paloma Appliance Adapter

Made of AL-294C stainless steel. This is Category II/III and UL approved.

Please Note: Failure to clean and descale your water heater quarterly can result in lime and sediment build up within the heater, which can void your warranty! We recommend using our Eccotemp EZ-Flush System Descaler Kit to ensure a clean, energy efficient, long lasting heater! Click here for details.


Dimensions 15.00" x 24.00" x 4.00"
GTIN: 00891876002522
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