The hardest part of fixing a 1978 John Deere, it turns out, isn’t the water pump, but getting a foot of hose from an auto parts store. That’s the lesson one man learned when a quick errand for a three ...

Andrew Grinsfelder yanked on the pump to get it started. A hose snaked out from one end, a tube fed into the pool on the other. Demonstrating how to use the pump in the backyard of his family home in ...