"I have owned a Koenders Windmill for nine years. I have had to replace the front bearing once. I also replaced the original diaphragm, even though it showed little wear. My windmill runs like a new machine. Thank you for a machine well built."
Richard H. - Alberta, Canada
"I've had these windmills now for 6 or 7 years. I have put no maintenance into them at all. They keep the water open in the winter time and so far I've had good luck with the fish that I have in there so it must be putting pretty good oxygen in there."
Lorne Collins - Spinach Farm, Rockwood, Ontario
"We installed our Koenders Windmill Aeration System at least 12-15 years ago. In this time, we have not touched this windmill. That is right, no maintenance on it at all. This unit has been working flawlessly until this week. I find out that all I need is a maintenance repair kit to get it back up and running. AMAZING!!!"
John Bohrer - North Mankato, MN
"Thay have worked extremely well and for the last 10 yrs we have not done a thing to them to maintain the units. When are windmills are turning, which is at very low winds, they put sufficient air in the ponds to keep our trout healthy and alive."
Michael Short - Cedaredge CO
"Just a quick note to let you know that I installed my windmill aeration system over 10 yrs ago and am only now needing to replace the diaphragm kit. You tell customers that every 5-7 years you will perform this maintenance so once again you have exceeded our expectations."
Mike Simpson - Ashville, OH
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Standard Kit Includes: 1 Bearing, 2 Flangettes and replacement nuts and bolts. Complete Bearing Kit Includes: 3 Bearings, 6 Flangettes and replac...
For Koenders Windmills Generations 2 - 6 (with black compressor bodies). Also fits Koenders EL2 Electric Aerators. Includes 1 Diaphragm,...
Includes: 2 Insert Disc Valves Fits all Windmill and Electric Aerator models. For older Generation 1 models (20+ years old) that use a large Ins...
For Generation 1 Koenders Windmills (with silver compressor bodies). Includes: 1 Diaphragm, 3 Insert Disc Valves
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