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Front plenum Aquahot blower wheel
#1

The fan blower motor in the front plenum heat exchanger died on me a few weeks back. I had gotten a replacement VDO blower motor, but when trying to transfer the blade wheel, I noticed that the hub in one was already cracked. While trying to extract it from the slightly rusty shaft on the original motor, it just came apart.

The blower fan blade unit was a Cary Products #900. Found a couple places that carry it for maybe $35. Also found that the following appear to be equivalents:
Victory 062-00183 ($24)
Danhard 16-2511 ($24)
Four Seasons 35528 ($11 from Amazon!)


Unfortunately I had some weird shipping madness from Amazon but after several weeks of no front blower in 16 degree night time temps, I can report that the Four Seasons unit is a direct replacement.

Note that I've read that some people have a wheel with a set screw and others with a clamp to hold the wheel on the shaft. This is the clamp variety. The Four Seasons also came with a new clamp.

Paul
Coach #540
2000 Double Slide, Bath and a half, Average sized fan for its age
Fulltiming for a while around CO
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