The Eccotemp i12 Indoor Natural Gas Tankless Water Heater is one of the most advanced indoor models of the Eccotemp tankless line. The included Eccotemp 3” category III, stainless steel, UL listed Vertical Vent Kit makes installation a breeze. Additional venting may be required based on your installation. The Eccotemp Vertical Vent Kit Includes an adjustable flashing 0-30 degrees, storm collar, rain cap with wind band, backflow preventer, universal appliance adapter, and an in-line drainpipe.

Rated at an impressive 4.0 GPM with a temperature rise of 38 degrees and 80,000 BTU per hour, the Eccotemp i12-NG can meet all your hot-water needs! Eccotemp’s advanced 0.7 GPM low flow ignition technology allows users to enjoy endless hot water without experiencing cold spots.

We recommend the Eccotemp i12-NG for smaller sized single-family homes, apartments, condos, and cabins as well as small commercial applications. Using 1-2 hot water applications simultaneously is a breeze with the Eccotemp i12-NG. With our upgraded PCB (Product Control Board) performance and an all new gas modulating valve, consumers can experience best in class temperature performance with a price anyone can afford.

The compact, wall mounted Eccotemp i12-NG has a 110/120-volt UL listed power cord that powers the internal Exhaust Fan, Digital Display and PCB. With its fully automated control system, the Eccotemp i12-NG only pulls about .5 amps during operation, making it an ideal for low energy consumption and efficiency.

The Eccotemp i12 has been tested at elevations up to 2000 feet. Installation and use of the Eccotemp i12 above 2000 feet may affect overall product efficiency and performance.

IMPORTANT NOTE: Cannot be used for HYDRONIC SYSTEMS, RECIRCULATING, or FLOOR HEATING.

• Rated for 1-2 applications used simultaneously means that taking a shower and running two sinks at the same time is effortless. The Eccotemp i12 is ideal for hot water heating applications in smaller sized residential single-family home, condo, cabin, apartment, or light commercial use
• Rated at 4.0 GPM at 80,000 BTUs with a temperature rise of 38 degrees, this ultra-efficient tankless water heater is ideal for just about every single-family home
• Advanced Generation 3 Computer board with high performance processing and smart adjust technology built in. Our proprietary developed programming meets and exceeds today’s consumer demands
• With advanced incoming and outgoing water temperature sensor technology, you always have total confidence when it comes to safety
• Limited Manufacturer Warranty (Heat Exchanger: 5 Years, Parts: 2 Years, Free Accessories - fittings, accessories, hardware pack, etc.: 30 days), live chat, appointments for product support, self-help guides will give you peace of mind that the Eccotemp i12 will keep you in hot water for years
• What's Included: i12-NG tankless water heater, 3” vertical vent kit, gas appliance shut off valve, wall thimble, 15” termination pipe, mounting hardware, and installation manual
• 3” Vertical Vent Kit Includes: adjustable flashing 0-30 degrees, storm collar, rain cap with wind band, backflow preventer, universal appliance adapter, and an in-line drainpipe
• The Eccotemp i12 can be complemented with our patented one of a kind EZ-Flush descaling kit to ensure your tankless water heater is running at maximum efficiency all year long
• Not CSA certified

i12 Manual

i12 Warranty