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.

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