Yes @xdr - you can use the Alde to heat the cabin after draining the Alde water tank. As you said, just turn off the hot water at the Alde control panel. (View Post)
Go ahead and lift the Alde relief valve and open a faucet. If you don’t get anything out, don’t be surprised. Another 320 owner noted that the Alde water tank actually drained via the low point drain… (View Post)