Anybody use this for closed loop glycol for forced air heat?
Any setbacks, drawbacks.
Using older Apollo air handler.
It`s better to be silent and thought the fool; than speak and remove all doubt.
Be very careful with your desired water temp and flow rates...the rinnai is great but has its limitations on gpm and temp rise....check the rinnai usa web site....if your approved to install these...you have the necessary passwords...good luck