Discover this week’s top deals. Shop Now >

Link to Lowe's Home Improvement Home Page

Find a Store Near Me

Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

Eccotemp Smarthome Sh12-a Indoor 4-GPM Liquid Propane Tankless Water Heater

Best Price. Guaranteed

Find a lower price on an exact item? We'll match it. Some exclusions apply.

Price Guarantee

FREE Returns

Return it in store or ship it back for free. Eligibility rules apply.

Pay Your Way

Credit card, PayPal or Buy Now, Pay Later options available at checkout. Your choice.

Payment Options

Heating water smarter with the Eccotemp Smart Home Indoor 4.0 GPM Liquid Propane Tankless Water Heater! This advanced unit ensures an uninterrupted flow of hot water while optimizing space and energy usage for efficiency. Equipped with Wi-Fi connectivity, control and monitor your water heater remotely via smartphone or voice commands with Amazon Alexa and Google Home. Customize schedules, adjust temperatures, view consumption statistics, and receive maintenance alerts from anywhere. With a powerful 4.0 GPM flow rate, it suits small to medium-sized households, providing continuous hot water for showers, dishwashing, and more, enhancing daily convenience. Energy-efficient design heats water only when needed, eliminating standby heat loss found in tank-based heaters, reducing utility bills and environmental impact. Easy installation in compact spaces saves floor space, offering a hassle-free upgrade to a smarter, budget-friendly water heating solution with smart controls and endless hot water. The Eccotemp SH12-A Series is CSA tested and approved for use in the US & Canada at elevations up to 2000 feet, ensuring reliable performance. IMPORTANT NOTE: Not suitable for HYDRONIC SYSTEMS, RECIRCULATING, or FLOOR HEATING.

Temperature range of 95-140 degrees Fahrenheit and rated for 1-2 applications.
Rated at 4.0 GPM (gallons per minute) at 80,00 BTUs with a temperature rise of 35 degrees, this ultra-efficient tankless hot water heater is ideal for smaller single-family homes, townhomes, condos, cabins, apartments, or light commercial use.
Enjoy real-time control over your home's water heating needs with the Eccotemp mobile app, enabling energy tracking, temperature adjustments, scheduling, error detection, and up to 25% energy savings with Eco Mode, while easily adjusting settings to reduce utility usage.
Experience the convenience of our versatile smart app settings that display your desired currency (USD/CAD), dual-mode Fahrenheit and Celsius temperature readings, and preferred gas measurement unit, offering a personalized understanding of your usage.
Seamlessly connect with Amazon Alexa or Google Home for voice command functions like: "Alexa, set my water heater to 110 degrees" or "Hey Google, switch off my water heater."
Smart Power Button feature turns your model on or off, detects error codes, connects to wireless networks, and enables sleep mode to prevent unnecessary energy use - all with a simple touch.
The SH12-A Series 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.
Easy wall mounting and installation with 120-Volt UL listed power cord and ½-inch NPT water and gas connections.
Indoor venting is available in 3-inch horizontal and vertical installation kits (sold separately).