Instruction: Evaluate the answerability of a question by analyzing the related document, outputting yes if the document contains information addressing the question, and no otherwise.

Input:
Question: Will this unit fit the dimensions used by the 679-A model from the mid-80's (for replacement purposes)?
Document: Mine that i had was same model just 18 years old and was looking yellow. Just used the motor and trim for an update, metal that fan was attached to would not fit mine as it was designed differently, I was able to just transfer fan to old mounting bracket and there like new again.
I have a Broan model 679 fan and light with the flouresent bulb. The 13 watt flouresent buld is slow to start, not very bright and expensive to replace. I would suggest this model with a regular bulb for brightness and ease of replacement. If given the choice I would spend 2x the money and get a fan light combination that was much quieter.
Then you can deal with how the unit is held in place. A nail was holding mine!! The new one is in the same position, but I've used two 1/2 &#34; hex head screw to hold it in place.When i took the old unit down, a lot of that cellulose insulation in the attic came with it. Not pleasant.
This was purchased to replace an older model Broan fan. The price was great, it was easy to install, and looks good. It also has a nightlite feature, although the previous fan wasn't wired properly to use that feature. If your model number is listed it should fit. By the way, the description was of cover and fan, but this was the entire unit, including the housing.
didn't buy this from Amazon, but it's the same model. I guess "economy line" should have raised a flag, but only after one day of working I found out that the motor is noisy, it puts too much vibration in the wood beams, and the plastic faceplate is so flimsy it sometimes vibrates in a different pitch than the rest of the thing. Next time I'll give the replacement a dry run before spending my time installing it..
I used only basic amateur tools in the entire process.After initial assembly it had some rattle/vibration noise. Like what others have mentioned here, this model makes some annoying noises. The pieces/parts are partly loose after assembly. These loose joints rattle like tin can when not addressed. I was able to eliminate 95% of the rattling by adding/placing dots of rubber material here and there.
If you buy this fan to replace a worn or not working unit, you must take off the new motor from the frame and put it on your old one.The lens cover and light parts do fit, especially if you snip out some metal for the bulb to fit correctly!It is just a little less noisy than a worn fan.
Wiring is a place where the unit could be a lot more 'user friendly'. Why have some kind of 'knockout' when there could easily be a plug attachment on the outside of the unit that would fit a plug-in device the installer could attach to the wires feeding the unit!So, now it's installed and attached. It is what it is, and I really think it's c..p, but it does vent
Was an easy install and a great product for the price...  My only issue was the size of the exhaust vent vs. the one that's was used on the old unit... I had to go to home depot to find a connector to retrofit the new to the old one...  Other than that it was relatively an easy install...
We put this fan in as a new installation. It did the job but for its size it's noisy - could be the loose fit of the plastic grille. After about 6 months the fan quit, though the light continued to work. We finally got around to checking it out yesterday and the problem is the unit itself, not the wiring to the switch as we'd hoped. For much less than a year of use I feel this Broan fan was a terrible value.
Answer: yes