EcoSmart stands behind its products with the most extensive warranty on the market for select electric tankless water heater models. A technical support team is available to help with issues regarding sizing, installation, and maintenance. Please review the warranties in full for more detailed information.

Highlights of Warranty for Products: ECOS 12, 18, 27

5 Years- Leaks, 1 Year- Parts (US)
See Use and Care Manual for complete information.

Highlights of Warranty for Products: ECO 8, 11, 18, 24, 27, 36

Limited Lifetime Warranty (US) – product registration is required
See Use and Care Manual for complete information.

Highlights of Warranty for Products: POU 4T and POU 6T

5 Years- Leaks, 1 Year- Parts (US)
See Use and Care Manual for complete information.

Highlights of Warranty for Products: EcoSmart SmartBoost®

5 Years- Leaks, 1 Year- Parts (US)
See Use and Care Manual for complete information.

Highlights of Warranty for Products: ECO MiniTank 1, 2.5, 4, 6

6 Years- Leaks, 2 Years- Parts (US)
See Use and Care Manual for complete information.

To be eligible, the heater must be installed by a licensed plumber/electrician within (30) days of purchase, unless otherwise approved. Warranty registration must be filled out completely and postmarked within (30) days of purchase unless otherwise approved.

If you have any questions regarding warranties, please contact customer support at
1-877-474-6473 .