Make sure you have this Udor 8700.01 IOTA-17/18/20 Diaphragm Repair Kit on hand for your IOTA 17, 18 or 20 model diaphragm pumps. Because each kit contains everything you need to fix your unit, you don't need to purchase a bunch of separate pieces and parts. You'll find inside two piston diaphragms, one accumulator diaphragm and four O-rings.
-Qty 2 0903.41 Piston Diaphragm, Desmopan
-Qty 1 0903.08 Accumulator Diaphragm, Buna-N
-Qty 4 1101.52 O-Ring