For Koenders Windmills Generations 2 – 6 (with black compressor bodies).
Also fits Koenders EL2 Electric Aerators.
Includes 1 Diaphragm, 2 Insert Valves, Top Valve Repair pk, Rubber Washer and Driver Bit.
Note: Double Diaphragm units require 2 kits for a complete repair.
Regular maintenance kits include a rubber diaphragm. Deluxe kits include a higher durability diaphragm made of Garlock material.
Other Customers Also Bought
Other Suggestions
Learn More

Our gift to you: Receive a free Electronic copy of the award winning book by Steve Fender "Pond Management" The Common Sense Guide
Get It Now!Newsletter
Please subscribe to our free E-Magazine, full of useful information if you are considering purchasing one of our natural pond care systems and products - the most sustainable way to clean and protect our ponds and other water bodies.
SubscribeRecent Newsletters
STUDY
3rd party study confirms that Koenders windmills have the best performance ratings in the industry!
Read more About it