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  • Eccotemp FVI-12-LP High Capacity Propane Tankless Water Heater
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Eccotemp FVI-12-LP High Capacity Propane Tankless Water Heater

108 customer reviews
| 39 answered questions

List Price: $299.00
Price: $269.00 & FREE Shipping. Details
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  • True 1/2" NPT fittings
  • Sleek modern design
  • Power ventilation for safety and efficiency
  • 74,500 BTU's
  • Digital temperature display with fully independent gas and water controls
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11 new from $269.00 2 used from $221.00
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Frequently Bought Together

Eccotemp FVI-12-LP High Capacity Propane Tankless Water Heater + SHURFLO (255-313) 1/2" Twist-On Pipe Strainer + SHURflo 4008-101-E65 3.0 Revolution Water Pump
Price for all three: $329.85

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Product Description

Product Description

Eccotemp Power-vent Tankless Water Heater. Only uses energy when you actually turn on the hot water. 25,000-74,500 BTU range LP gas burner delivers 3 gallons of hot water per minute. Perfect for vacation cabins and smaller homes. Safe, electronic ignition system; For indoor installation with power ventilation. Stainless vent kit included; Digital thermostat and temperature display; Precise temp / water-flow adjustment with independent controls.; Sleek modern design... it's just 24" x 15" x 7 1/2"h. without the tubing and 44" with the tubing, weighs only 20 lbs.; Uses standard 120V electric outlet with UL-listed cord.; Order Now! Please Note: May come in White or Silver. Sorry, no color choice. Power-vent Tankless LP Water Heater

From the Manufacturer

The Eccotemp FVI12-LP tankless water heater is a liquid propane fired, forced vent, 3.4 GPM 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. The Eccotemp FVI12-LP  tankless water heater is perfect for vacation cabins, cottages, and smaller homes. The unit comes with a horizontal stainless steel vent kit, ready to install. The 110 volt UL listed power cord powers the internal exhaust fan and digital display. It only pulls about 2 watts idol and 10 watts during operation, making it ideal when energy conservation is paramount. The unit has a water pressure activated (40 PSI minimum ) electronic ignition. Eccotemp has become the brand people trust with 24/7 technical support available toll free at 866-356-1992.

Product Information

Technical Details
Part Number FVI12-LP
Item Weight20 pounds
Product Dimensions4 x 15 x 24 inches
Item model numberFVI-12-LP
Power Sourcegas-powered
Voltage110 volts
Item Package Quantity1
Flow Rate 3.6 GPM
Maximum Pressure 80 PSI
Warranty Description2 Year Warranty Heater
Additional Information
Best Sellers Rank #25,463 in Home Improvement (See top 100)
Shipping Weight32.7 pounds (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First AvailableNovember 20, 2009
Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

Important Information

Bulb Voltage
110 Volts

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

152 of 157 people found the following review helpful By MontanaShopper on November 8, 2011
Verified Purchase
As long as nothing goes wrong with this unit, you'll love it. If it fails for some reason, you'll just get the runaround from customer service, and all that love will disappear. This water heater had some great features compared to the Bosch it replaced, and it worked well for a few months. Then it sprung a pinhole water leak in the heat exchanger tubing. The leak was right on the bend in the tubing, a natural weak spot, and appears to just be where the water pressure wore away at it until it broke. My husband removed the unit so we could at least restore cold water flow until we could get a replacement. I e-mailed the customer service address in the manual to ask how you go about a warantee exchange. They replied by e-mail that I would need to call them, because they had questions. My husband called customer service. Their brilliant analysis was that the unit had to have frozen from cold air coming down the vent on a 31 degree night. Really? Inside the warm house? Come on! If that is the case, what is going to happen to the unit on the other end of the house when we get to the actual cold weather, below zero? I guess we get to look forward to some major water damage. They couldn't stand by their warantee, because it just had to be our fault that their product failed, but, hey, they will kindly sell us a replacement at a discount. What kind of warantee is that!?! Buy at your own risk- maybe it will work great and you'll have no problems. But if you have a problem, the warantee isn't going to apply, and you'll be stuck with buying a replacement.

Update: We never were able to get this company to back their warantee, and got tired of arguing with them. We ended up having the pinhole repaired, and that lasted about a month.
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104 of 107 people found the following review helpful By Fred Worth on December 10, 2010
I purchased this water heater for my 1 BR efficiency apt. which has a shower, bath vanity and kitchen sink. It replaced a 50 gal. electric water heater which was costing me a FORTUNE in electric bills! After removing the elec. WH and replacing it with the FVI 12, my utility bill has decreased by over 91% including the propane gas used to heat the water! The only problem I had was the fact that my shower has a cut-off valve which I use while I'm soaping up. When I turned the valve back on to rinse off, after a few seconds I'd get a blast of cold water since the FVI 12 only supplies hot water when flow is detected. After some thought and ingenuity, I decided to install a "point of use" 110v water heater at the output side of the FVI 12 (G.E. Model # GE02P06SAG 2.5 gal 6 yr 1440 watt 120 volt plug in point of use water heater); I hooked up the output of the FVI 12 to the input (cold) side of the 110v heater and the output (hot) to my hot water line that I disconnected from the FVI 12...Problem Solved! This increased my electric bill a bit...94 cents a month! I can live with that in addition to the fact that I have a steady stream of hot water at all times!
If you have a cabin, efficiency apt. or a relatively small 1 or 2 BR house, BUY THIS WATER HEATER!! It will save you THOUSANDS of dollars over the years.
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45 of 47 people found the following review helpful By John L. Swartz on September 20, 2011
Verified Purchase
I installed the FVI-12 to replace a 40 gallon, propane fired, power-vented, tank unit. The heater I replaced was very similar to this one: American Water Heaters PVG62-40T42-NV Residential Gas PowerFlex Direct Vent Water Heater, 40 Gallon. So far we are very pleased with the Eccotemp FVI-12.

Usage Patterns

A tank storage or batch heater like the powerflex is very good at supplying a lot of hot water all at once, while a small tankless like the FVI-12 excels at providing a smaller amount of hot water more or less indefinitely. Most of the decision is in matching the tool to the job. In our case, we are family of 4 who take showers sequentially and other usage occurs later in the day. This matches the tankless pattern well. If we had multiple simultaneous uses we'd probably be less pleased.


I installed the Eccotemp in the same location as our old water heater. The gas line was the same and required no modification at all. The water lines were a different size and, because the FVI-12 is smaller and hangs on the wall, they needed to be longer and end in a different place. All of that was relatively easy and inexpensive, about $40 in fittings etc.

Venting turned out to be the most challenging part of the installation. The old heater used a 4" PVC vent pipe which allows for zero clearance to combustible materials. The FVI-12 uses 2-1/4" stainless vent pipe which needs much greater clearances. A discussion with Eccotemp tech support led me to enclose the exhaust vent in a 3" single walled vent pipe in order to decrease the clearance to a PVC drain pipe.
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56 of 60 people found the following review helpful By Bob in Deming NM on May 8, 2011
Verified Purchase
This is a great product for the money and hundreds less than most other tankless water heaters! I got it in two days and installed it on the weekend. This thing kicks serious butt! The unit comes on and seconds later you have hot water at the tap/shower! For once I can take a shower for as long as I want and never run out of hot water!

Installation Notes:

All parts needed for install came to about $50 USD, Gas shutoff valve, tee's for water supply tie in etc...

It can be mounted to a wall with the exterior wall either behind the unit or at a right angle...

Important note:

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Eccotemp FVI-12-LP High Capacity Propane Tankless Water Heater
This item: Eccotemp FVI-12-LP High Capacity Propane Tankless Water Heater
Price: $269.00
Ships from and sold by