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Old 09-20-2020, 12:06 PM   #1
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Shurflo Water pump failure?

Just a little over three years old. Plenty of water...will run but no water flow! Thinking either a total failure of the pump or some type of massive air lock. Plenty of water behind the small pre filter but no water out. Not sure where the problem is....
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Old 09-20-2020, 12:09 PM   #2
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Did you replace the filter?
Don and Lorri
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Old 09-20-2020, 01:30 PM   #3
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Disconnect the outlet line, turn pump on, good flow then check line for blockage. No flow, disconnect inlet line. There should be flow by gravity from fresh water tank. No flow check inlet filter. Good flow, dismantle head on pump to clean or replace. Cost for new is usually about $20 or less. I carry a spare.
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Old 09-20-2020, 01:34 PM   #4
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Air lock?
Open closest faucet cold side and then hot side to bleed any air

As suggested.......disconnect pump discharge hose, place hose in bucket/bottle to capture any water...turn pump ON
No flow----pump drive diaphragms not moving water. Easy rebuild
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water, water pump

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