8700.22 KAPPA-120/150 Diaphragm KitWhen your pump breaks down, it is a far easier and less expensive process to repair it instead of buying a new one. Luckily, with this Kappa 120 150 diaphragm kit, you get the parts you need to do simple repairs and get your pump working right again. Included in the kit are eight o rings, four piston diaphragm desmopans and one accumulator diaphragm.