- Heat only sizes- 80, 110, 150 , 199 MBH
- Combi sizes- 110,150,199 MBH (up to 5.4 GPM)
- Wall or floor base mounting options
- Stainless steel firetube heat exchanger design
- Unity 2.0 control with color touch screen
Weil-Mclain’s newest, premium residential gas boiler. Designed to be easy to install and service, with a long-lasting firetube heat exchanger and our next generation, easy to use, color touchscreen control. The Eco Tec is also available in a combi version, generating hot water output up to 5.4 GPM, making it the first premium residential combi from the biggest name in boilers.