Combi 151 Jun 06, 2016

My contractor purchased the 151 combi from local warehouse. I just wanted to share experiences for the whole deal of getting this one. I had it installed a few days ago by a local contractor who claimed certified by Bosch. Technicians under supervision by certified plumber were struggling of how they were going to install and had it fired, back and fort with rewiring, and reconnect piping for a few occasions, saying they were difficult to install. Two vents with about 3-4 inches diameters... more

So Far, So Good. Jun 10, 2016

Installed for 1 week. Very quiet and responsive. Nice to wake up to an inviting temperature instead of cold.

Modine Hsb-47 Sep 02, 2016

This is a well made product, made in the USA. Does what it is advertised to do.

A O Smith Tankless Hot Water Heater Dec 22, 2016

Just had this 199,900 btu water heater installed and it works so nice and it looks great too. At 10 gpm. we will never run out of water.

Business Owner Aug 13, 2016

Great product but found the pressure sensor only works if the world is working perfectly! Meaning the venting must be in excellent shape and does not come apart in the walls or the power is a reliable source. This was installed in one of our customer's homes. Installation straight forward and worked well but then it became a nightmare. Multiple calls back and a real money looser. We put it to bed by bypassing the pressure switch (and installed a voltage sensor on the electric clothes... more