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PLUMBING TOPICS
OIL TANKS
SEPTIC SYSTEMS
WATER PRESSURE REPAIR GUIDE & COSTS
WATER PRESSURE LOSS DIAGNOSIS GUIDE
  Water Pressure Intermittent
  No Water Pressure
  Water Pressure Tank Problems
  Water Pressure Tank Diagnosis
  Bad water pressure regulator
  Water pipe clog diagnosis
  Water pipe clog repair guide
  Making the "right" repair
  Typical Water Tank & Pump Prices
WATER PUMPS & TANKS & WELLS
WATER PUMP CONTROLS & SWITCHES
  IDENTIFY WELL PUMP TANK COMPONENTS
  MAIN WATER SHUTOFF VALVE
  PUMP ELECTRICAL SWITCHES
  PUMP PRESSURE CONTROL
    WATER PUMP PRESSURE CONTROL ADJUSTMENT
    WATER PUMP PRESSURE CONTROL REPAIR
    WATER PUMP PRESSURE CONTROL REPLACE
  PUMP RELAY SWITCH
  TANK AIR VOLUME CONTROLS
  TANK AIR INLET VALVE
  TANK AIR VALVE REPAIRS
  TANK PRESSURE GAUGE
  TANK DRAIN VALVE
  TANK RELIEF VALVE
  CHECK VALVES
  WATER FILTERS
PUMP TYPES & LIFE EXPECTANCY
WATER PUMP & TANK SAFETY
WATER SUPPLY & DRAIN PIPING
WATER TANK TYPES: WATER, OIL, EXPANSION, ALL
WATER TANK LIFE EXPECTANCY
WATER TANK REPAIRS
WATER TANK AIR, HOW TO ADD
WATER TANK REPLACEMENT
WATER TANK PRESSURE CALCULATIONS
WATER TANK SIZE & VOLUME
WATER TANKS HOW THEY WORK
WATER TESTING
WELLS CISTERNS & SPRINGS
WELL LIFE EXPECTANCY
More Information




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How to Diagnose & Repair Poor Water Pressure or Lost Water Pressure
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  • How to diagnose loss of water pressure or loss of water in a building - both municipal water supply and private well systems are addressed
  • How to decide if water pump pressure control switch or water pump replacement is needed
  • How to decide if water tank replacement is necessary
  • Typical cost of various well, pump, and water tank repairs.
Our site offers impartial, unbiased advice without conflicts of interest. We will block advertisements which we discover or readers inform us are associated with bad business practices, false-advertising, or junk science. Our contact info is at inspect-ny.com/appointment.htm.

This article describes how and why to distinguish among intermittent water pressure loss, total water pressure loss, and poor water pressure or flow in a building. We give procedures for both municipal water supply problems and well water supply problems. The process of diagnosis and the costs of the repair are explained. Consumer advice on saving money on water supply repair costs includes a review of the parts and labor costs of a typical well pump and pressure tank replacement case.

The illustration at left is courtesy of Carson Dunlop, Inc. in Toronto. © 2008 Daniel Friedman, All Rights Reserved. Information Accuracy & Bias Pledge is at below-left. Use the links at page left to navigate this document or to go to Other Website Topics. Green links at left show where you are in our document & website.

How do we diagnose poor water pressure or loss of water pressure in a building, and what are the common causes and repairs for this problem?

If you have no water pressure at all, see No Water Pressure

If your water pressure is intermittent, starts and stops, or varies in pressure, see Water Pressure Intermittent

Is there some water pressure but the pressure and/or flow are poor?

  1. Water supply piping problem? See Bad water pressure Clogged Pipes & Water pipe clog repair guide.
    • 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.
    • Double check that there is no burst pipe and no water running elsewhere before going on to more complicated water pressure diagnosis steps.
    • If your water is from a municipal supply and if you can turn off water right at the entry to your building, you can then listen to the piping - you may discover that there is an underground water main supply leak outside!

      The following articles pertain if you have a private well, pump, and tank sysem for your building

  2. Water Tank Problems? See Water Pressure Tank Problems

  3. Water pump problems? See
  4. Well Problems? Well problem diagnosis starts at  WELLS CISTERNS & SPRINGS

  5. Bad water pump or water tank pressure regulator control? See Bad water pressure regulator (not ususally installed on private well and pump systems, often present on municipal water supply systems that use an in-building local water pump and pressure tank to boost pressure). Water pump pressure regulator switch diagnosis and repair steps include these:
    • How to Adjust Water Pump Pressure: The detailed, step by step procedure for inspecting and adjusting the water pressure control switch is discussed in detail at ADJUST PUMP PRESSURE CONTROL.
    • Diagnosing Water Pump Short Cycling on and off: If your water pump is clicking on and off too often or quite rapidly see SHORT CYCLING.
    • Diagnosing & Repairing Lost Air in the Water Tank: The problem of lost air in the water pressure tank along with how to correct that condition are discussed beginning at SIGNS OF AIR LOSS.
    • Diagnosing & Repairng a Water Pressure Control or Water Pump Control Switch: We discuss diagnosing and repairing a water pressure control switch that sticks "on" or "off" or simply won't operate, at water pump Pressure Switch Repairs.

 





PLUMBING TOPICS
OIL TANKS
SEPTIC SYSTEMS
WATER PRESSURE REPAIR GUIDE & COSTS
WATER PRESSURE LOSS DIAGNOSIS GUIDE
  Water Pressure Intermittent
  No Water Pressure
  Water Pressure Tank Problems
  Water Pressure Tank Diagnosis
  Bad water pressure regulator
  Water pipe clog diagnosis
  Water pipe clog repair guide
  Making the "right" repair
  Typical Water Tank & Pump Prices
WATER PUMPS & TANKS & WELLS
WATER PUMP CONTROLS & SWITCHES
  IDENTIFY WELL PUMP TANK COMPONENTS
  MAIN WATER SHUTOFF VALVE
  PUMP ELECTRICAL SWITCHES
  PUMP PRESSURE CONTROL
    WATER PUMP PRESSURE CONTROL ADJUSTMENT
    WATER PUMP PRESSURE CONTROL REPAIR
    WATER PUMP PRESSURE CONTROL REPLACE
  PUMP RELAY SWITCH
  TANK AIR VOLUME CONTROLS
  TANK AIR INLET VALVE
  TANK AIR VALVE REPAIRS
  TANK PRESSURE GAUGE
  TANK DRAIN VALVE
  TANK RELIEF VALVE
  CHECK VALVES
  WATER FILTERS
PUMP TYPES & LIFE EXPECTANCY
WATER PUMP & TANK SAFETY
WATER SUPPLY & DRAIN PIPING
WATER TANK TYPES: WATER, OIL, EXPANSION, ALL
WATER TANK LIFE EXPECTANCY
WATER TANK REPAIRS
WATER TANK AIR, HOW TO ADD
WATER TANK REPLACEMENT
WATER TANK PRESSURE CALCULATIONS
WATER TANK SIZE & VOLUME
WATER TANKS HOW THEY WORK
WATER TESTING
WELLS CISTERNS & SPRINGS
WELL LIFE EXPECTANCY
More Information

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Air Conditioning
InspectAPedia Bookstore
Electrical
Environment
Exteriors
Heating
Home Inspection
Insulate Ventilate
Interiors
Mold Inspect/Test
Plumbing Water Septic
Roofing
Structure
Accuracy & Bias Pledge
Contact Us

Use links just below or at the left of each page to navigate this document or to view other topics at this website. Green links show where you are in our document or website.

PLUMBING TOPICS
OIL TANKS
SEPTIC SYSTEMS
WATER PRESSURE REPAIR GUIDE & COSTS
WATER PRESSURE LOSS DIAGNOSIS
  Water Pressure Intermittent
  No Water Pressure
  Water Pressure Tank Problems
  Water Pressure Tank Diagnosis
  Bad water pressure regulator
  Water pipe clog diagnosis
  Water pipe clog repair guide
  Making the "right" repair
  Typical Water Tank & Pump Prices
WATER PUMPS & TANKS & WELLS
WATER PUMP CONTROLS & SWITCHES
  IDENTIFY WELL PUMP TANK COMPONENTS
  MAIN WATER SHUTOFF VALVE
  PUMP ELECTRICAL SWITCHES
  PUMP PRESSURE CONTROL
    WATER PUMP PRESSURE CONTROL ADJUSTMENT
    WATER PUMP PRESSURE CONTROL REPAIR
    WATER PUMP PRESSURE CONTROL REPLACE
  PUMP RELAY SWITCH
  TANK AIR VOLUME CONTROLS
  TANK AIR INLET VALVE
  TANK AIR VALVE REPAIRS
  TANK PRESSURE GAUGE
  TANK DRAIN VALVE
  TANK RELIEF VALVE
  CHECK VALVES
  WATER FILTERS
PUMP TYPES & LIFE EXPECTANCY
WATER PUMP & TANK SAFETY
WATER SUPPLY & DRAIN PIPING
WATER TANK TYPES: WATER, OIL, EXPANSION, ALL
WATER TANK LIFE EXPECTANCY
WATER TANK REPAIRS
WATER TANK AIR, HOW TO ADD
WATER TANK REPLACEMENT
WATER TANK PRESSURE CALCULATIONS
WATER TANK SIZE & VOLUME
WATER TANKS HOW THEY WORK
WATER TESTING
WELLS CISTERNS & SPRINGS
WELL LIFE EXPECTANCY

More expert information on this topic







PLUMBING TOPICS
OIL TANKS
SEPTIC SYSTEMS
WATER PRESSURE REPAIR GUIDE & COSTS
WATER PRESSURE LOSS DIAGNOSIS
WATER PUMPS & TANKS & WELLS
WATER PUMP CONTROLS & SWITCHES
  IDENTIFY WELL PUMP TANK COMPONENTS
  MAIN WATER SHUTOFF VALVE
  PUMP ELECTRICAL SWITCHES
  PUMP PRESSURE CONTROL
    WATER PUMP PRESSURE CONTROL ADJUSTMENT
    WATER PUMP PRESSURE CONTROL REPAIR
    WATER PUMP PRESSURE CONTROL REPLACE
  PUMP RELAY SWITCH
  TANK AIR VOLUME CONTROLS
  TANK AIR INLET VALVE
  TANK AIR VALVE REPAIRS
  TANK PRESSURE GAUGE
  TANK DRAIN VALVE
  TANK RELIEF VALVE
  CHECK VALVES
  WATER FILTERS
PUMP TYPES & LIFE EXPECTANCY
WATER PUMP & TANK SAFETY
WATER SUPPLY & DRAIN PIPING
WATER TANK TYPES: WATER, OIL, EXPANSION, ALL
WATER TANK LIFE EXPECTANCY
WATER TANK REPAIRS
WATER TANK AIR, HOW TO ADD
WATER TANK REPLACEMENT
WATER TANK PRESSURE CALCULATIONS
WATER TANK SIZE & VOLUME
WATER TANKS HOW THEY WORK
WATER TESTING
WELLS CISTERNS & SPRINGS
WELL LIFE EXPECTANCY
More Information

InspectAPedia TM Home & Site Map
Air Conditioning
InspectAPedia Bookstore
Electrical
Environment
Exteriors
Heating
Home Inspection
Insulate Ventilate
Interiors
Mold Inspect/Test
Plumbing Water Septic
Roofing
Structure
Accuracy & Bias Pledge
Contact Us

More Information on Plumbing & Other Building Diagnostic Inspections and Repairs

Plumbing Diagnosis & Repair: Water supply, drainage, septic systems, water testing, water contamination, defective plumbing materials & products.

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04/21/2008 - 09/15/2006 www.inspect-ny.com/water/Poor-Water-Pressure-Diagnosis.htm ©Copyright 2008 Daniel Friedman all rights reserved.