I have a Harman Mk I stove with the stock blower. I have a rheostat to run it at low speed, but it tends to whine and transmits the whine and vibration to the stove body which amplifies it. The metal-to-metal connection to the stove is less than ideal. Can anyone suggest a simple way to remedy this? I believe I saw a previous post about mounting the fan to an external box of some sort, and using dryer vent hose to connect to the port on the stove. But I can't find that post.... Suggestions, anyone?