![Product Literature: Master-Fit® Multi-Flue (100 series)](https://www.hotwater.com/dw/image/v2/BDTV_PRD/on/demandware.static/-/Sites-hotwater-Library/default/dw846133d9/images/noimagelarge.png?sw=375&sh=375&sm=fit)
Product Literature: Master-Fit® Multi-Flue (100 series)
The BTR-151 has been discontinued since March 27, 2017 (Source: https://www.supplyhouse.com/AO-Smith-BTR-151-32-Gallon-150000-BTU-Master-Fit-Booster-Commercial-Gas-Water-Heater)
The BTR-151 has been discontinued since March 27, 2017 (Source: https://www.supplyhouse.com/AO-Smith-BTR-151-32-Gallon-150000-BTU-Master-Fit-Booster-Commercial-Gas-Water-Heater)