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Mobile ViewWATER PUMPS, TANKS, TESTS, WELLS, REPAIRS AIR DISCHARGE at FAUCETS, FIXTURES AIR INLET VALVE, WATER TANK AIR VOLUME CONTROLS, WATER TANK CHEMICAL CONTAMINANTS in WATER CHECK VALVES, WATER SUPPLY CHLORINE IN DRINKING WATER CISTERNS DEBRIS in WATER SUPPLY, Water Heater DRINKING WATER - EMERGENCY PURIFICATION DRINKING WATER - EMERGENCY SOURCES EPA GUIDE to WATER QUALITY FHA WATER TESTS REQUIRED FILTERS, WATER CHECK VALVES, HEATING SYSTEM FOOT VALVES, WELL PIPING GALVANIC SCALE & METAL CORROSION GREYWATER SYSTEMS HARD WATER - SOFTENERS HEAT TAPE USAGE GUIDE LEAD POISONING HAZARDS GUIDE METHANE GAS SOURCES MUNICIPAL WATER PRESSURE IMPROVEMENTS PIPING IN BUILDINGS, Clogs Leaks Types PLASTIC CONTAINERS, TANKS, TYPES PLUMBING SYSTEM ODORS RADON HAZARD TESTS & MITIGATION RELIEF VALVES - Water Tanks REVERSE OSMOSIS CONCENTRATE DISPOSAL VALVES, PLUMBING WATER CONTAMINANT LEVELS WATER FILTERS WATER HAMMER NOISE DIAGNOSE & CURE WATER HEATERS WATER ODORS, CAUSE CURE WATER PRESSURE & FLOW MEASUREMENT WATER PRESSURE GAUGES WATER PRESSURE LOSS DIAGNOSIS & REPAIR WATER PRESSURE REPAIR GUIDE - WELLS WATER PUMPS, TANKS, TESTS, WELLS, REPAIRS WATER PUMP CAPACITIES TYPES RATES GPM WATER PUMP CONTROLS & SWITCHES WATER PUMP PRESSURE CONTROL SWITCH WATER PUMP TYPES & LIFE EXPECTANCY WATER PUMP PRIMING PROCEDURE WATER PUMP PROBLEM DIAGNOSTIC TABLE WATER PUMP REPAIR GUIDE WATER PUMP SAFETY WATER PUMP SHORT CYCLING WATER PUMP WONT STOP RUNNING WATER PURIFIERS WATER QUALITY TESTS, CONTAMINANTS, TREATMENT WATER QUANTITY AVAILABLE FROM A WELL WATER QUANTITY TEST: WELL FLOW TEST WATER QUANTITY IMPROVEMENT WATER SHUTOFF VALVE LOCATION, USE WATER SHUTOFF VALVE, WELL PUMP WATER SOFTENERS & CONDITIONERS WATER SOURCE ALTERNATIVES WATER SUPPLY & DRAIN PIPING WATER SOFTENERS & CONDITIONERS WATER SOURCE ALTERNATIVES WATER TANK: USES, TROUBLESHOOTING WATER TANK AIR, HOW TO ADD WATER TANK AIR INLET VALVE WATER TANK AIR LOSS SIGNS WATER TANK AIR VALVE REPAIRS WATER TANK AIR VOLUME CONTROLS WATER TANK BLADDERS & CAPTIVE AIR WATER TANK CAPTIVE AIR vs TRADITIONAL WellMate WATER TANK CONTROLS & SWITCHES WATER TANK LIFE EXPECTANCY WATER TANK PRESSURE GAUGE WATER TANK PRESSURE RELIEF VALVE WATER TANK REPAIRS WATER TANK REPLACEMENT WATER TANK SAFETY WATER TANK TYPES WATER TESTS, CONTAMINANTS, TREATMENT WATER TEST CHOICES & WATER TEST FEES WATER TEST FEES WATER TESTING GUIDE WATER TEST INTERPRETATION WATER TREATMENT EQUIPMENT CHOICES WELL PUMP PRIMING PROCEDURE WELLS CISTERNS & SPRINGS WINTERIZE A BUILDING More Information |
This article explains how to diagnose & repair a water pump that keeps on running and won't shut off. We include a Table of Diagnostic Steps for a Well Pump that Won't Shut Off. InspectAPedia tolerates no conflicts of interest. We have no relationship with advertisers nor with topics or services discussed at this website.© Copyright 2012 InspectAPedia.com, All Rights Reserved. Information Accuracy & Bias Pledge is at below-left. Use page top links to major topics or use links at the left of each page to navigate within topics and documents at this website. Green links show where you are in a document series or at this website. Why Won't My Well Pump Shut Off?Following our description of reasons that a well pump won't stop running (just below) we provide a Table of Diagnostic Steps for a Well Pump that Won't Shut Off This article series answers just about any question you may have about pumps, wells, and drinking water. Even before performing water quantity, quality, equipment function tests, there is an enormous amount we can determine about a building's water supply just by looking at the equipment. The photograph at page top shows a one-line jet pump, the water pressure tank, and a water softener. We know from the fact that this is a single line jet well pump that the well is a shallow one, probably less than 27' deep. Well depth may have implications for water quantity and quality and vulnerability to surface water contamination. Watch out: the first thing to do to protect your pump from damage if it simply wont' turn off is to shut off electrical power to the pump. If the building has no water pressure, turn off the water pump immediately. Running a water pump "dry" risks causing internal damage to the pump. If there is no water pressure, see WATER PRESSURE LOSS DIAGNOSIS & REPAIR. If your well pump is turning on and off too often, see WATER TANK REPAIRS and further details at SHORT CYCLING CAUSES - why does the water pump keep shutting on and off so quickly? If your pump won't start, see WATER PRESSURE LOSS DIAGNOSIS & REPAIR and PUMP PRESSURE CONTROL REPAIR. At WATER PUMP WONT STOP RUNNING we discuss water pumps that won't shut off. If your building has some water pressure (check at a nearby faucet) but the well pump keeps on running and won't shut off, that's what we are discussing here. Several problems can cause a water pump to keep running instead of shutting off when it should, and each of these suggests its own diagnostic step to finding out what's happening with your well pump.
Table of Diagnostic Steps for a Well Pump that Won't Shut OffAt WATER PUMP WONT STOP RUNNING is our full article discussing the causes for water pumps that won't shut off. Here we provide a Table of Diagnostic Steps for a Well Pump that Won't Shut Off. Watch out: the first thing to do to protect your pump from damage if it simply wont' turn off is to shut off electrical power to the pump. If the building has no water pressure, turn off the water pump immediately. Running a water pump "dry" risks causing internal damage to the pump. If there is no water pressure, see WATER PRESSURE LOSS DIAGNOSIS & REPAIR. Some of the well pump troubleshooting suggestions in this list can be found at the Betta-Flo Jet Pump Installation Manual from the National Pump Co.
Frequently Asked Questions (FAQs) about well pumps that won't stop runningQuestion: Water pressure drops and well pump never stopsWell starts out ok but within minutes has dropped pressure never does stop pumping water but it sure does get low whats up? - Ken Reply: what to check when the pump never reaches cutoff pressureIf your pump runs continuously and never reaches cut-off pressure, there are several possible causes (see the table of problems above) such as - pressure switch cut-out set higher than pump is capable of reaching (for example worn pump or broken impeller) - low water in the well - leak in well piping - running so much water at once in the building that the pump can't catch up Question: Water pressure surges and pump keeps runningMy well is continuing to pump but with surges. Pressure at pump and at pressure valve at house both read 24 to 32 LBS bouncing back and forth. Whole weel system is new and was installed 4th of July weekend. It worked fine all day and then went to take shower and it was next to nothing coming out of faucet. - George Reply: water surging may mean the pump is short cycling due to a waterlogged pressure tankGeorge, surging water pressure on a private well and tank system is often due to a water-logged water pressure tank - causing well pump short cycling. See WATER PUMP SHORT CYCLING - article link at page left. Question: Water-to-air cooling system shut down due to lack of waterLast nite house "water-to-air" cooling system shut down -- safety switch shuts it down when water is not available. Well pump had stopped running. Replaced well pump pressure switch and pressure guage. Well pump then reached 48 psi and ran continuously at that pressure even though ALL house fixtures and cooling system were shut off !! The well pump would not reach the 60 psi cut-off point that was preset in the new pressure switch. I then tightened down of the large spring in the pressure switch. With all house water requirements turned off and turning the large spring tighter, the pump would not come above 48 psi and ran continuously. So then I loosened up on the large spring. Now the pump turns off at about 46 psi. The pump is above ground, single-pipe, jet pump, about 25 years old. Also checked all pipes -- no leaks. This situation really mystifies me. I will appreciate any and all ideas, thiughts, suggestions. I would like to see it cut on around 30-35 and cut off around 50-55 approx. Thanks, Stan This situation really mystifies me. I will appreciate any and all thoughts, ideas, suggestions - Stan L. Liteborn, liteborn@comcase.net Reply:Stan, the part of your well pump problem description that reads "Replaced well pump pressure switch and pressure guage. Well pump then reached 48 psi and ran continuously at that pressure even though ALL house fixtures and cooling system were shut off !!" Suggests to me that either your well flow rate is inadequate - the water available from the well is insufficient - or there could be a leak in the well piping between the well and the house. Other problerms can look like an inadequate well flow rate, such as a leak in well piping. Reader follow-up:Here's present situation: Well pump worked last nite (7/21) and most of today. Late this afternoon, cooling system shut down again. Well pump motor was running, pump itself was too hot to touch and no water was available (opened tank drain faucet and only air came out). I shut off power to well pump, closed main water valve between tank and house and connected up to neighbors well. This has better pressure than I've ever had but not enough volume to run the cooling system (too long a run with hoses from neighbor to me). I will leave it this way till morning and then inspect along pipe route from house to my well, to see if any water is coming out of ground. Higher pressure from neighbors system may thus reveal your suggested .."leak in the well piping between the well and the house". If thats not it, looks like I have either a well or a pump problem --- or both!! How to check well itself for broken/rusted out/cracked pipe? How to check for bad foot valve in well? How to check for well sufficiency / water availability in well. How to check if pump is working, if it will pump water or is broken / worn out? Or is it the best approach to replace 1 item at a time till the problem is solved?? Where to start? Again, I really appreciate your interest and concern to assist with suggestions thus far. Hoping to hear from you with some thoughts about present situation and questions. Thank you so much, Stan Reply: a hot to touch well pump sounds like the pump is running dry - things to check:Stan, pump too hot to touch sure sounds like a pump running dry - and maybe a well without water. If you shut off all water into the house and water pressure still drops then that's why I suggested there may be a leaky check valve foot valve or piping. But your description makes us think it's a well problem. In general it's reasonable to try replacing the less costly, easy to access questionable components first; Also if you end up needing to pull the well line for inspection/repairs, I would always install a new foot valve at that time. Question: Good water pressure but high electric bills - we think it's the water pump but can't find any leaksWe are having a similar issue with our well.....we have good water pressure at the house and saw an increase in the electric bill.....cant seem to find any leaks....our well is 375 ft deep, and the pump is only 5 years old......any suggestions? - Regina Reply: check for piping leaks; check the pump current draw ampacity using a clamp-on ammeterRegina: turn off water into the home and see what happens - if your pump runs anyway then you have a leak between the in-building equipment and the bottom of the piping in the well. Also, your plumber or well driller can measure the amps current draw of the pump to see if it's damaged or drawing unusual current. Question: My Goulds jet pump pressure hangs at 39 psi - never reaches the 40 psi cutoffI have a goulds jet pump that pumps up to 39ibs a stays there . the pump is set to shut off at 40lbs so it stays running .It dose not lose it prime .the water inside the crock well is 2 feed over foot valve .no leaks outside. can you help me ? - Ron If I have a leak between the jet pump an the bottom of pipe in side the well. Will I lose the prime? Reply:Ron I agree it does not sound like a leak. Try making a small adjustment to the pressure switch cut out pressure to drop it to 38 psi. IF the problem recurs I suspect a clogged sticking pressure control switch sensor. Question: We lost water pressure and see water leaking into the well pit where the tank is locatedWe have loss water pressure, & discovered water leaking into pit were we have the bladder for well, what needs to be done? - Barbara Reply:Barbara, start by having a clear idea of where the leak is coming from. Indeed a leak in well piping or at the water tank could result in lower water pressure. Question: My pump keeps running but the pressure gauge at the water tank saI do have some water flow. Pump is a submersiable about 300 ft deep. The contacts are pulled in - I am pulling 7 amps. My bladder tank is about 400 ft. from the pump. The line coming directly from the well is cold. The pressure gauge at the bladder tank is on 0 psi Where do I begin to troubleshoot? - Gary Reply:Gary if the pressure tank is at 0 psi either the tank is not working (intake port blocked by a collapsed tank bladder?) or the well flow rate has deteriorated, or there is a problem with the pump or well piping. Start at the pressure tank. Question: My pump won't shut off - the pressure builds to 36 psi and hangs there. If I turn the pump off the pressure drops to 30. Pump does not lose prime.I have a bladder tank and jet pump. The pump will not shut off, the pressure will build up to 36 psi and just stay there, that's with the line going to the house shut off. If I turn the pump off, after a while the pressure will drop to 30 psi, but the pump never loses its prime. Any ideas to fix? - JJ Reply:JJ I've added some diagnostics to the table above, please take a look. Question:the cold water inside home is heating up why - NJ Payne Reply:NJ Payne, Question:We have a Flotec jet pump for our shallow well. After recently running dry (water level must have dropped below the foot valve), the pump continued to run and overheat. This required replacement of several sections of the PVC piping, as it had deformed due to the high temperature. We also installed a new pressure switch (30/50) that has a safety cut-off feature. The pressure tank is set correctly (checked several times, and it is still holding steady at 28 psi). We have primed the pump several times, but it is not operating correctly. The pump kicks on at the correct pressure, but will not turn off. It gets to about 40psi, and stays there. Reply:Alan, it's possible that running your pump at length, dry, damaged the impeller assembly. If that's the case, even though the motor may run, the impeller may simply not be moving water with as much force as previously. You'll need to disassemble the pump, inspect, and replace the impeller parts if that's the problem. Keep us posted, what you learn will help other readers. Disassembly of the pump as recommended revealed no obvious signs of damage. Reply:Alan, if a well pump is worn or if for another reason the pump is having trouble reaching the cut-off pressure, setting the pressure down to a point that the pump can reach is quite reasonable. But watch out: if the problem recurs you'll need to find and fix the actual problem: with the pump, piping leak, low well water, etc. Question: My deep well pump won't pump up to 50 psi. Even turning down the cut-out pressure doesn't help.I have a deepwell pump that wont pump up to 50psi. I have had to turn down the cut-off pressure twice so that the pump would shut off. Does that mean that my pump is going out? - Rodney Reply: Rodney, any of the problems listed in our checklist table above could explain why your pump won't reach full pressure. Typically it's low water supply in the well; sometimes a well piping leak; or see the details listed above. Question: Shallow well pump won't stop running - after flushing a toiletI have a shallow well pump that won't stop running after starting when the tank is drawn down by a toilet flush. The pump will start to build pressure but then just stops building and continues to run. If I cycle power to the pump, even if it is just off then on quickly the pump begins to build pressure and will shut off. This only happens when the pump begins to run after a tank draw down from a toilet flush. If any other fixture running causes the tank draw down and the pump to start it builds pressure and shuts off. I am at a loss on where to start. Reply:Ted, When the pump never shuts off ONLY after a toilet flush one has to suspect that the toilet keeps running - its tank fill valve may be stuck; Otherwise I'd think the pump and well would eventulally be able to reach cutout pressure once the toilet stopped calling for water. But a well pump and tank ought to be able to keep up with the water demand from just a toilet tank fill-up alone, so there may be another problme. I''m just guessing but it sounds as if your pump is having trouble reaching the cutoff pressure or has for some reason reduced capacity. When you turn on say a sink faucet the pump probably comes on and runs all the time that you are running water in the sink, but successfully runs up to cutoff pressure and stops when you close the sink faucet. Question: A few times a month we lose water pressure and it won't return until I shut off power to give the pump a restWe have a 5 year old well. A few times or more a month we lose water pressure and it won't come back unless I shut the breaker off and give the pump a break. Sometimes the water comes back in an hour and sometimes it takes over night. We have a submerisable pump with a check valve on it in front of it and right before the tank. Before we put the one on at the tank it would drain down. Or at least sound like it. It is 120' well with the pump at 100' and water starts at 30'in the well casing. If I water the plants for 15 minutes or wash 4-5 loads of clothes with a water saver washer and take a bath all in one day (not one right after the other) it is done. I am a x-city person and not sure if I am expecting to much. Our neighbors have great water and no problems with draining their well. Any ideas? - Janice H. Reply: you are describing a well with a poor recovery rateJanice you are describing a well with a poor recovery rate or flow rate. Check with your local well driller to ask about hydro-fracking or other steps that might increase the yield of your well. Question: the plumber dropped our pump into the well, then retrieved it - now we have bad water pressureHey, I had to replace submersible pump the company ended up dropping the pump and seven of pipe . Took the several days to get out of 300 ft. hole. Now it supposedly fixed but terrible water pressure. The first had a pump but said was not enough hp so got another one for 200 dollars more. Could they damaged the pump and still used it or went back to the smaller hp to cover damaged pump. I have turned off several fixtures pressure got somewhat better. I am at a loss thanks - James Reply:James, I'm sorry to read about your well pump drop and aggravation. Certainly a pump could be damaged by dropping. I SPECULATE that the damage risk depends on some variables such as the distance the assembly fell through air before impacting water. With no facts, we can't second-guess what the pump installed did afterwards.
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