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PLUMBING TOPICS
WATER HEATERS
ALTERNATIVE HOT WATER SOURCES
  High Efficiency Water Heaters
  Indirect-fired Water Heaters
  Instantaneous Water Heaters
  Multiple water heaters in parallel
  Multiple water heaters in series
  Range Boiler Water Heaters
  Side Arm Coil Water Heaters
  Solar Water Heaters
  Tankless Coil for Hot Water
ANTI SCALD VALVES
CHIMNEY INSPECTIONS
Clogged Piping & Hot Water Flow
ELECTRIC WATER HEATERS
GAS FIRED WATER HEATERS
  DRAFT HOODS - gas fired
  Gas BTUH & Cubic Feet
  GAS PIPING, VALVES, CONTROLS
  SPILL SWITCHES - Flue Gas Detection
HOT WATER IMPROVEMENTS
HOT WATER QUANTITY IMPROVEMENT
  Alternative Hot Water Sources & Methods
  Anti-Scald Valves & Hot Water Quantity
  Clogged Piping & Hot Water Flow
  Extra Tanks to Increase Hot Water
  Insulate Hot Water Piping
  Insulate Hot Water Tank?
  Larger Diameter Water Supply Piping
  Tankless Coil Hot Water Increase
  Temperature of Hot Water is Too Low
INDIRECT FIRED WATER HEATERS
ODORS IN WATER
OIL FIRED WATER HEATERS
  DRAFT REGULATORS - barometric dampers
  OIL BURNERS
  OIL BURNER NOISE SMOKE ODORS
  OIL PIPING
  OIL TANKS
MIXING VALVES
RANGE BOILERS
RELIEF VALVES - TP Valves
SEWER GAS ODORS
SOLAR HOT WATER HEATERS
TANKLESS COILS
  Clogged Piping / Tankless Coil & Hot Water Flow
  Mixing Valves
  Tankless Coil Leaks
  Tankless Coil Hot Water Increase
WATER HEATER PROPERTIES
  Electric, Gas, Oil Water Heater Efficiency
  Water Heater Life Expectancy Comparisons
  Water Heater Operating Cost Comparisons
  Water Heater Purchase & Maintenance Costs
  Water Heater Water Quantity Comparisons
  Water Heater Recovery Speed Comparisons
  Water Heater Safety Comparisons

BOILERS, HEATING
CARBON MONOXIDE/DIOXIDE
FURNACES, HEATING
HEATING SYSTEMS
HOT WATER SUPPLY
NO HEAT - BOILER / FURNACE DIAGNOSIS
PLASTIC HEATER VENT
PLUMBING
SAFETY DURING HEATING INSPECTION


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Effect of installing larger water supply pipes to the water heater

Guide to Hot Water Heater Selection, Inspection, Diagnosis, & Repair
PlumbingAPedia ©

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  • Water heaters: how to inspect, test, adjust, repair, and choose among types of hot water heaters
  • Guide to inspecting gas fired hot water heaters
  • Guide to inspecting oil fired hot water heaters
  • Guide to inspection of electric water heaters
  • Guide to tankless coils, indirect fired water heaters, range boilers
  • No Hot water? how to get more hot water flow, quantity, performance from your water heater
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.

The articles at this website will answer most questions about domestic water heaters as well as many other building plumbing system inspection or defect topics. This page contains links to in-depth articles on inspecting, testing, and repairing problems residential hot water heaters of all types, including their parts, controls, and alternative sources for hot water as well as tips for improving hot water temperature, hot water pressure, and hot water quantity. Reproduction of this web page electronically at other websites is prohibited. © Copyright 2008 Daniel Friedman, All Rights Reserved. Information Accuracy & Bias Pledge is at below-left. The sketch at page top is courtesy of Carson Dunlop.

Inspection, Diagnostic, & Repair Guide to Residential Hot Water Heaters

Flue gas spillage at gas fired water heater (C) Daniel FriedmanWhile an electric, gas-fired, or oil-fired water heaters, along with tankless coils on heating boilers are among the most common methods for producing domestic or residential hot water for washing and bathing, there are plenty of other ways that people obtain hot water.

All hot water supply systems use some energy source (electricity, oil, gas, solar energy) to heat either a reservoir of hot water stored in a hot water tank, or to heat water as it is used (such as tankless coils and Thermar type heaters.)

An exception is geo-thermal hot water (such as is readily available in Iceland and in more localized areas in other countries). And the most common hot water complaint we hear is "how can I get more hot water quantity - I keep running out of hot water" or "how can I get better hot water pressure?"

Our photo shows clear evidence of flue gas spillage from a gas fired water heater. In articles linked from this page we discuss this and other water heater diagnosis and repair topics.

The articles listed below describe the inspection, operation, diagnosis, repair, and improvement of each type of water heater, and we include detailed advice about how to improve hot water supply in buildings as well as inspection and correction of leaks, high hot water costs, odors, noises, and safety problems.

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.

Technical Reviewers

Particular thanks are due to experts and also consumers who read these articles and suggest corrections, changes, and additions to the material. Content suggestions, technical corrections and content critique are invited for any of the content at our website.

  • Daniel Friedman - principal author/editor of the InspectAPedia TM Website
  • Thanks to Alan Carson and Bob Dunlop, Carson Dunlop, Associates, Toronto, for permission to use illustrations from their publication, The Illustrated Home which illustrates construction details and building components. Carson Dunlop provides home inspection education, publications, report writing materials, and home inspection services. Alan Carson is a past president of ASHI, the American Society of Home Inspectors.
  • Critique, contributions wanted: Contact Us to suggest text changes and additions and, if you wish, to receive online listing and credit for that contribution.

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Mobile Phone/PDA website viewMobile View
PLUMBING TOPICS
HEATING SYSTEMS
WATER HEATERS
ALTERNATIVE HOT WATER SOURCES
WATER HEATER PROPERTIES
ANTI SCALD VALVES
CHIMNEY INSPECTIONS
Clogged Piping & Hot Water Flow
ELECTRIC WATER HEATERS
GAS FIRED WATER HEATERS
  DRAFT HOODS - gas fired
  Gas BTUH & Cubic Feet
  GAS PIPING, VALVES, CONTROLS
  SPILL SWITCHES - Flue Gas Detection
HOT WATER IMPROVEMENTS
HOT WATER QUANTITY IMPROVEMENT
INDIRECT FIRED WATER HEATERS
ODORS IN WATER
OIL FIRED WATER HEATERS
MIXING VALVES
OIL & GAS PIPING
Gas & Oil Piping Inspections, Reports
OIL TANKS
RANGE BOILERS
RELIEF VALVES - TP Valves
SEWER GAS ODORS
SOLAR HOT WATER HEATERS
TANKLESS COILS
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InspectAPedia TM Home & Site Map
Air Conditioning
InspectAPedia Bookstore
Electrical
Environment
Exteriors
Heating
Home Inspection
Insulate Ventilate
Interiors
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Structure
Accuracy & Bias Pledge
Contact Us

More Information about Plumbing and General Building or Home Inspections

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CONTACT Daniel Friedman - Dan is a senior ASHI home inspector, nationally recognized expert on building inspection, building failures, and sick building investigationContact Daniel Friedman for website content suggestions or for fee-paid consulting

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07/29/2008 - 06/27/1995 www.inspect-ny.com/plumbing/Hot_Water.htm - Web page design & content © Copyright 2008-1995 Daniel Friedman - all rights reserved