Model # FVI12-LP

Internet #205583892

Eccotemp 3 GPM Liquid Propane Gas Tankless Water Heater


3 GPM Liquid Propane Gas Tankless Water Heater

  • This model supports whole house applications
  • Consult Plumber; this model requires 0.5 AMPS/120V
  • Same-day installation in most areas. Call 1-855-400-2552 by noon.
$242.10 /box

Frequently Bought Together

Product Overview

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 and is perfect for vacation cabins, cottages, and smaller homes. The FVI12 offers a 45-degree Fahrenheit temperature rise when operating at maximum flow capacity and a 77-degree Fahrenheit temperature rise at 2.3 GPM. Included in the box is a horizontal stainless steel vent kit, ready to install. The Eccotemp FVI12-LP's 110 volt UL listed power cord powers the internal exhaust fan and digital display. It only pulls approximately 2 watts idle and 10 watts during operation, making it ideal when energy conservation is paramount.

  • True 1/2 in. NPT water fittings
  • Manual water temperature controls
  • Liquid propane powered
  • Sleek modern design
  • 4 GPM flow capacity
  • Tested-safe electronic ignition system
  • 74,000 BTU
  • Fully independent gas and water controls
  • Weighs only 33 lbs.
  • Unit dimensions are 15 in. x 24 in. x 6 in.
  • Stainless vent kit included
  • Uses gas only when hot water is on
  • Requires standard household 120-Volt electric outlet
  • UL listed electrical components
  • 2 year warranty
  • Energy factor: 79%
  • Click here to check out our buying guide on water heaters

Info & Guides

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Name 3.1 GPM Liquid Propane Gas Digital Panel Tankless Water Heater 3 GPM Liquid Propane Gas Tankless Water Heater 6.8 GPM Outdoor Liquid Propane Gas Tankless Water Heater 6.8 GPM Outdoor Natural Gas Tankless Water Heater
Brand MAREY Eccotemp Eccotemp Eccotemp
Ratings (11) (8) (7) (8)
Flow Rate @ 45 F Rise (gallons/min) 2.25 4 5.7 5.7
Gas Type Liquid Propane Liquid Propane Liquid Propane Natural Gas
Indoor/Outdoor Indoor Indoor Outdoor Outdoor
Total BTU 79.228 Btu 74000.000 140000.000 140000.000
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Warranty / Certifications

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Customer Questions & Answers

Freezing conditions in a cabin

Does it drain completely so it can be in a cabin that is not always heated?
Asked by: john
Yes, YOu can drain this unit you should have a drain point lower than the unit and a vent point at one of the higher points, and make sure both the vent and drain are open at all times when you close up the cabin.
Answered by: scotty
Date published: 2016-06-30

Does the unit equire eletrical connection to operate?

Asked by: bella
Answered by: butch
Date published: 2015-11-11

can this unit be vented using the existing (through the roof vent) from my old W/heater or do you have to use the through the wall that comes with it?

Asked by: Bill
Hi Bill, You must use a venting system approved for use with this water heater. Your existing water heater vent may not be sufficient. Mike
Answered by: MikeHDOC
Date published: 2016-06-30

What dose GPM mean? Looking for a water heater for my home either propane or electric?

Asked by: Miguel
It means gallons per minute.So if your are looking at a hot water heater that is rated for 5 gpm it means 5 gallons per minute of hot water.
Answered by: TLD
Date published: 2016-07-12
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Customer Reviews

3 GPM Liquid Propane Gas Tankless Water Heater is rated 2.8 out of 5 by 8.
Rated 1 out of 5 by from Bought this unit 9/22/15 its now 1/7/17. It was minus 15 degrees this morning outside and +70 ins... Bought this unit 9/22/15 its now 1/7/17. It was minus 15 degrees this morning outside and +70 inside the room the unit was installed, the cold air came down through the exhaust vent and froze the upper coils and split them, flooding occured, no warranty on unit through Home depot because I didnt use a Home Depot credit card. Now I have to try to find my warranty and try to contact the manufacturer. Very disappointed with Home Depot. I've spent $10-20k with home depot over the last couple years. To be treated like this is infuriating. To warranty a product does not just protect the product it protects the company who sells the product from losing valuable business. ARE YOU TAKING NOTE HOME DEPOT!!!!!!!
Date published: 2017-01-07
Rated 1 out of 5 by from worst purchase ever worst product I ever purchased..You can not control the water temp.Called ECO tech was told they know they have a problem with this unit.They have no clue of what to do to control water temp flow.I was told the new unit they have the problem was corrected but they continue to sell the defective model.
Date published: 2015-09-12
Rated 5 out of 5 by from First class product! I bought this water heater to replace a 15 year old tankless hot water heater in a small house. Installation was straight forward as all I had to do was sweat a few connections to adapt it to fit. The Eccotemp worked better than expected. I admit I live in a place where water temp is about 68F year round, but this heater cranks out all the hot water I want and is set on the lowest temp and nearly lowest gas setting it can. My house is rural and has catchment water with a pressure pump. It responds instantly with 25 PSI and seems very steady as the pressure rises to 65 PS which indicates the temp control system works flawlessly. The out put pressure is a vast improvement over the old heater which was barely adequate at 1.7 GPM. With insulated pipes I believe this unit would be adequate for a 2 bath home. The auto light feature works flawlessly and the forced air flow vent system is included and a snap to install. In a house that has a conventional tank type water heater, All you need to do is cut a hot and cold pipe and install a T fitting on each one, then run the pipes to the heater. Cut a 6Inch hole in the wall for the vent pipe and the heater can be used indoors out of the weather. I hooked mine up near the kitchen sink pipes so instant hot water to the sink is only seconds away. The bath is about 10 feet from the kitchen and takes just 30 seconds or so to reach full hot. At $280.00 it was less than half the cost of the15 year old heater. Even better was the free shipping to Hawaii. Thank you Home Depot for a fantastic deal.
Date published: 2015-06-23
Rated 1 out of 5 by from Eco Temp Propane Tankless I purchased this unit for the hand wash sink in my shop in late 2014. Its now 2016. It worked great for about a month. It quit working and flashed an E-3 code and never worked again. Service is good but they never could solve my issues. They sent me a new gas/water valve this I installed and it didn't work. I then sent the unit back to the factory and they said it worked perfectly at their location. They sent it back to me and guess what? It did not work. They have had me change the regulator two times and told me it would not work on 10" WC and wanted me to switch to a NG regulator with 6" WC. I'm done. This is a Overseas junk unit. I got what I paid for. Save yourself the grief and go buy a real unit for 1000.00 and be done with it.
Date published: 2016-05-29
Rated 4 out of 5 by from I would purchase another brand It was very difficult to adjust water temperature to stay at an even temperature. I had to settle for very hot and wash and rinse off quickly, in Fall and Winter this is OK. Don't know about Spring and Summer yet
Date published: 2014-12-10
Rated 1 out of 5 by from 3 GPM tankless heater This seemed like a good idea at the time for my cabin. But after paying a plumber to remove a 110 elec. heater and install this one. You will burn your self then freeze within 2 mins. You can't find find a happy temp. So I removed it and put back in a new elec. hot water tank. If you are thinking of going tankless spend $1,200.00 or more because I hear they work This idea cost me for a plumbing.
Date published: 2015-03-10
Rated 5 out of 5 by from great product works great..easy to regulatewould recommend to anyone
Date published: 2015-07-08
Rated 4 out of 5 by from Good for the price Works well with enough water flow. Had problems getting it to fire and stay burning with the shower. This is not good for a low flow system. Customers service was prompt and helpful. Will not light for the dishwasher it is necessary to run the focet when the dishwasher is filling. Close washer and all sinks work great.
Date published: 2015-12-09
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