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One Line Jet Pump (C) Daniel Friedman Fix Intermittent Loss or Poor Water Pressure - Table 2 of 3
Troubleshoot running pump but no water, weak water pressure, or periodic loss of water pressure

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This WATER PRESSURE PROBLEM DIAGNOSIS TABLE series provides a table giving step by step checklist for diagnosing water pressure, water pump, and water well problems.

We give diagnostic and repair procedures for both municipal water supply problems and well water supply problems.



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Table of Diagnostic Steps for Poor Water Pressure from a Pump & Well System

Keep in mind that if water is running elsewhere in the building (another shower, sink, dishwasher, clothes washer, garden hose, etc) then the water pressure you will observe at your location will usually be reduced. This table can demonstrate that You're the boss, not your pump!

Table 2: Well Pump Runs, but Poor Water Pressure or No Water Pressure

Poor Water Pressure Cause Diagnostic Procedure Repair Procedure
No Water at All

There is no water pressure.

See the water pressure problem diagnostic steps in this table (below) or go to our diagnostic article series beginning at NO WATER PRESSURE

See TABLE 1: PUMP WON'T RUN, WON'T STOP, or CYCLES

Also
see WELL FLOW TEST PROCEDURE

and WELL YIELD IMPROVEMENT

 

Poor city or municipal water pressure or flow

If municipal building water pressure varies independently of the number of fixtures you are running then the incoming pressure may be changing. Install and monitor a pressure gauge at the water meter or main water shutoff valve.

If water pressure varies depending on the number of fixtures running then the incoming water pressure may be inadequate or the building piping diameter may be too small.

See the diagnostic items listed in this table (below)

MUNICIPAL WATER PRESSURE DIAGNOSIS explains how to diagnose poor municipal or community water supply quantity or pressure in complete detail

Also see

WATER PRESSURE BOOSTER PUMP

WATER PRESSURE REDUCER / REGULATOR

PLASTIC PIPE LEAK CAUSES

MUNICIPAL WATER PRESSURE IMPROVEMENTS

Poor private well water pressure, quantity, or flow diagnosis article

If private well water pressure, flow, or quantity vary or are inadequate

See the diagnostic items listed in this table (below)

WELL WATER PRESSURE DIAGNOSIS provides a detailed article on diagnosing poor water pressure or flow

Also see WATER PRESSURE MEASUREMENT

Also see WATER FLOW RATE CALCULATE or MEASURE

Pressure gauge says low water pressure

Make an independent measurement of water pressure when the pump has reached its cut-off pressure and no water is being run in the building.

A clogged or broken pressure gauge can give incorrect pressure readings and may read higher or lower than actual system water pressure.

See WATER PRESSURE MEASUREMENT
Water pressure comes and goes Water pressure starts, stops, or is intermittent the problem may be in the equipment or more likely in the well itself.

See the steps in this table below.
Also see this diagnostic article:
WATER PRESSURE INTERMITTENT LOSS

Also see WATER PRESSURE GAUGE ACCURACY

Water Runs Out

Water pressure is fine but run out of water - then none or very poor 

If water pressure seems ok for a while but sometimes you run out of water or water pressure becomes poor and weak your well may be running dry. see WELL FLOW TEST PROCEDURE
and
see WELL YIELD IMPROVEMENT.

Notes:

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.

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Continue reading at TABLE 3: PUMP RUNS, NO WATER or INSUFFICIENT WATER or select a topic from closely-related articles below, or see our complete INDEX to RELATED ARTICLES below.

Or see WATER PRESSURE LOSS DIAGNOSIS & REPAIR - home

Or see this

Article Series Contents

Suggested citation for this web page

TABLE 2: PUMP RUNS, WEAK or NO WATER PRESSURE at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice.

INDEX to RELATED ARTICLES: ARTICLE INDEX to WATER SUPPLY, PUMPS TANKS WELLS

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