We live in Cambridge, MA which is known for its very hard water. Our water heater is basically caput. I'd like to upgrade to tankless given the energy savings (the state gives a $750 rebate vs. $100 for …

If you know how long it takes for hot water to begin to arrive at the remote location and you turn on a hot water tap or shower before the tankless heater turns off due to reaching its set point in the …

How can I force the other unit to run as well? I have tried running ALL the hot faucets in the house, still no luck.

Hello, just wondering if anyone has experience with the brand "IBC" (I think it stands for Intergas British Columbia) boilers / tankless water heaters.

We have a hydronic heating system with a pump to circulate hot water through the tank continuously to feed a heat exchanger for the radiant heating loop. When the hydronic pump runs the Rinnai heater …

Anyone ever heard of an inspector requiring a Mixing valve on a tankless WH such as a Noritz or a Rinnai?<br /> A coil I can see...and would do.

3) Replace the electric hot water heater with a new one - this seems to me to be the most expensive option (for the renter). 4) Install a new electric hot water heater and not hook up the electrical …

I've had issues with two different Rinnai tankless water heaters leaking from the heat exchangers over the past several years.

Nov 1, 2017 · I was hoping i could just put some kind of tank before the tankless heater so the water would be allowed to warm naturally to room temperature, but i can't find anything. Everything is either …

I have a Rinnai tankless RC80HPi water heater. It was installed in my house back in 2009. It has been working flawlessly up until about 2 weeks ago.