Hi Keys, they were designed in the Stone Age. The PAR in their name stands for Peters and Russell. I think the pumps were designed in the forties. Jabsco bought PAR in the sixties, I think.
The tooling to make them is wearing out and Jabsco is not planning to replace it.
Jabsco has already discontinued several models.
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Parks Masterson
Retired from Hopkins-Carter Marine Supply
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