Map Zone | Southern Region, Northern Region, Mid Region |
Color | Black |
Flow Rate | 4.0 GPM |
Installation | Indoor |
Applications | Cabins, Apartment/Townhome |
Power Type | Liquid Propane (LP) |
Dimensions | 17.00" x 29.00" x 11.00" |
GTIN: | 00891876002614 |
SKU: | i12-LP |
Eccotemp i12 LP 4.0 GPM Indoor Liquid Propane Tankless Water Heater Manufacturer RFB
- Manufacturer: Eccotemp
- SKU: i12-LPR
- Free Shipping Options Available
- Price Match On Most Items
- Manufacturer Direct
- Exceptional Customer Service
- Free Replacement Shipping

Manufacturer Refurbished units. Most look brand new, some may show minor signs of use. They are items that are returned due to under sizing, shipping damage, or other minor issues. All refurbished units are repaired and tested to ensure proper operation. Ships from the manufacturer.
![]() |
100% certified by the manufacturer |
![]() |
Guaranteed to work like new or your money back |
![]() |
90 day factory warranty |
![]() |
Authorized Eccotemp dealer |
![]() |
Ships out same or next day |
The Eccotemp i12 Liquid Propane 4 Gallon Per Minute (GPM) Tankless Water Heater has a new revolutionary design, making it unlike any other Tankless Water Heater on the market today. The Eccotemp i12-LP is perfect for vacation cabins, cottages, and smaller homes. This model features a sleek, black tempered glass front paneling, fully automatic temperature controls for precision, and a touch screen with an LED temperature display that shows output temperature and GPM flow. The Eccotemp i12-LP is also equipped with child locking technology. The Eccotemp i12-LP is a Liquid Propane-powered, indoor model designed for small to medium hot water production where you need more than one hot water application at the same time. This model also offers a 35 to 40-degree Fahrenheit temperature rise when operating at a flow rate of 4 GPM and a 77-degree Fahrenheit temperature rise at 1.5 GPM. This bundle comes with a Horizontal Stainless Steel Vent Kit, ready to install and with its 120-volt UL listed power cord powering the internal exhaust fan and digital display. The Eccotemp i12 only pulls about 2 watts while idle and 1.07 Amps during operation, making it an ideal energy efficient appliance.
What’s included:
- Liquid Propane Tankless Water Heater
- 2 1/2" 90-Degree Elbow with Backflow Preventer
- Wall Thimble
- 2 1/2" x 20" Termination Pipe
- 120-volt UL Listed Power Cord
- Hardware Pack
- Instruction Manual
- 2-Year Limited Warranty
Product Features:
- Activates only on demand and no pilot light needed, reducing energy consumption
- Easy to use LED display controls
- Safe electronic ignition system
- Uses standard 1/2" NPT water fittings
- 4 GPM flow capacity
- Energy factor: 79%
- Hot water capacity range: 0.6 - 4.8 GPM
- Maximum/Minimum gas rate: 25,000 - 80,000 BTUs
Specifications:
The Eccotemp i12 has been tested for use at elevations up to 2000 feet. Installation and use of the Eccotemp i12 above 2000 feet may effect overall product efficiency and performance. Installation and use of the Eccotemp i12 above 5000 feet is not recommended.
![]() |
Thousands of units sold with very happy customers and feedback |
![]() |
Refurbished products come directly from the manufacturer, so you can be certain of the quality |
![]() |
Refurbished products are restored by the manufacturer to the same rigorous standards as those set for new products |
![]() |
We offer extended warranties that can be longer than the manufacturer warranty for new items |
![]() |
Each unit is individually tested for performance, whereas only a small subset of new units are tested |
Pay over time
Clear, transparent terms. Fair rates. No prepayment penalties.
Financing Available
We provide easy and affordable financing through our partner, Bread, so you can pay for your purchase over time.

Affordable Monthly Plans
Pay for your order over 12, 18, or 24 months at competitive interest rates*.

No Prepayment Penalties
Pay for your purchase with monthly payments and prepay at any time without penalty.

Quick and Easy Application
Get a decision in seconds with no obligation to buy.