Overwhelmed by responses; thanks! Checked for dripping faucets; also checked to see if filter under bathroom sink had worked loose. Checked under the bathroom and kitchen counters; all were dry. Dry by the pump. Before dismantling the pump, I decided to check the exterior shower. I don't use it but decided to make sure it wasn't the culprit; I found that it had been turned off at the shower head. But the knobs were tightened in the close position. I assume that one of the techs that has worked on our Isata used the shower while addressing water heater/water pump concerns had turned it on. It is on my bucket list to cap off the shower hose where the knobs are ; never use it and don't want handles to get bumped when stowing hose and cords. We ended our camping trip before I could see if the exterior shower had been the cause. (had a great time other than the pump turning on and the D*** shower leaking) Heading out again on Sunday and will see if the pump stays off. Regarding the possibility of debris in the water pump: is the in-house filter before or after the pump?
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