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HEATING SYSTEMS

AFUE DEFINITION, RATINGS
AGE of CHIMNEYS & FIREPLACES
AGE of AIR CONDITIONERS & HEAT PUMPS
AGE of HEATERS, BOILERS, FURNACES
AGE of WATER HEATERS
AIR CONDITIONING & HEAT PUMP SYSTEMS
AIR FILTERS for HVAC SYSTEMS
AIR FLOW MEASUREMENT CFM
AIR HANDLER / BLOWER UNITS
AIRBOUND HEAT SYSTEM REPAIRS
ANTIFREEZE for BOILERS
ANTI SCALD VALVES
APPLIANCE EFFICIENCY RATINGS

BACKDRAFTING HEATING EQUIPMENT
BACKFLOW PREVENTER VALVE, HEATING SYS
BACKFLOW PREVENTER, HEATER WATER FEEDER
BACKUP HEAT for HEAT PUMPS
BANGING HEATING PIPES RADIATORS
BAROMETRIC DAMPERS
BASEBOARD HEAT
BLOWER FAN CONTINUOUS OPERATION
BLOWER FAN OPERATION & TESTING
BLUE vs YELLOW COMBUSTION FLAMES
BLUERAY Recall
BOILERS, HEATING
BOILER LEAKS CORROSION STAINS
BOILER NOISE SMOKE ODORS
BOILER OPERATING PROBLEMS
BOILER PRESSURE & TEMPERATURE SETTINGS
BOOKSTORE - InspectAPedia
BTU USAGE MONITORS

CAPACITORS for HARD STARTING MOTORS
CARBON MONOXIDE - CO
CHIMNEYS & Flues - Asbestos Transite Pipe
CIRCULATOR PUMPS & RELAYS
COOL OFF HEAT, Thermostat Switch
COMBUSTION AIR
COMBUSTION PRODUCTS & IAQ
COMPLETE COMBUSTION, Stoichiometric
CONDENSING BOILERS/FURNACES
CONVECTOR HEATERS - HYDRONIC COILS
CREOSOTE FIRE HAZARDS

DEFINITION of Heating & Cooling Terms
DIAGNOSE & FIX AIR CONDITIONER / HEAT PUMP
DIAGNOSE & FIX HEATING PROBLEMS-BOILER
DIAGNOSE & FIX HEATING PROBLEMS-FURNACE
DIRECT VENTS / SIDE WALL VENTS
DRAFT HOODS - gas fired
DRAFT MEASUREMENT, CHIMNEYS & FLUES
DRAFT REGULATORS, DAMPERS, BOOSTERS
DUCT SYSTEM & DUCT DEFECTS

ELECTRIC HEAT, DIAGNOSIS, REPAIR
ELECTRIC MOTOR DIAGNOSTIC GUIDE
ELECTRIC MOTOR OVERLOAD RESET SWITCH
ELECTRICAL POWER SWITCH FOR HEAT

FAN, AIR HANDLER BLOWER UNIT
FAN AUTO ON Thermostat Switch
FAN CONVECTOR HEATERS - HYDRONIC COILS
FAN LIMIT SWITCH
FAN NOISES
FILTERS, AIR for HVAC SYSTEMS
FILTERS, OIL on HEATING EQUIPMENT
FIRE SAFETY CONTROLS
FIREPLACES & HEARTHS
FLAME COLOR, BLUE vs YELLOW COMBUSTION
FLOODED HEATING EQUIPMENT REPAIR
FLUE SIZE SPECIFICATIONS
FLUE VENT CONNECTORS
FREEZE-PROOF A BUILDING
FUEL OIL TYPES & CHARACTERISTICS
FUEL UNIT, HEATING OIL PUMPS
FURNACES, HEATING
FURNACE CONTROLS & SWITCHES
FURNACE EFFICIENCY, HIGH vs MID
FURNACE HEAT EXCHANGER LEAKS
FURNACE OPERATION DETAILS
FURNACE OPERATING TEMPERATURES

GALVANIC SCALE & METAL CORROSION
GAS BURNER Flame & Noise Defects
GAS FIRED WATER HEATERS
GAS PIPING, VALVES, CONTROLS
GAUGES ON HEATING EQUIPMENT
GEOTHERMAL HEATING SYSTEMS

HEAT EXCHANGER LEAKS
HEAT LOSS INDICATORS
HEAT LOSS PREVENTION PRIORITIES
HEAT PUMPS, DIAGNOSIS, REPAIR
HEATING COST FUEL & BTU Cost Table
HEATING COST SAVINGS METHODS
HEATING OIL PIPING TROUBLES
HEATING OIL TANKS
HEATING OIL TYPES & PROPERTIES
HEATING SMALL LOADS
HEATING SYSTEM INSPECT DIAGNOSE REPAIR
HEATING SYSTEM NOISES
HEATING SYSTEM SERVICE & MAINTENANCE
HEATING SYSTEM TYPES
HIGH EFFICIENCY BOILERS/FURNACES
HOT WATER HEATERS

LP & Natural Gas Safety Hazards

MANUALS & PARTS GUIDES - HVAC
MIXING / ANTI-SCALD VALVES
MOTOR OVERLOAD RESET SWITCH

Natural Gas Combustion
NO HEAT - BOILER
NO HEAT - FURNACE
NOISE AIR CONDITIONER / HEAT PUMP
NOISE, DUCT VIBRATION DAMPENERS
NOISE, HEATING SYSTEMS

ODORS & SMELLS DIAGNOSIS & CURE
ODORS in AIR HANDLERS & DUCT WORK
ODORS FROM HEATING SYSTEMS
OIL BURNERS
OIL BURNER SOOT & PUFFBACKS
OIL FILTERS on HEATING EQUIPMENT
OIL LINE CLOGGING FIX
OIL LINE QUICK STOP VALVES
OIL LINE SAFETY VALVES
OIL ODORS, LEAKY OIL TANK PIPING
OIL PUMP FUEL UNIT
OIL SPILL CLEANUP / PREVENTION
OIL TANKS

PLASTIC HEATER VENT
PULSE COMBUSTION HEATERS
PRESSURE REDUCING VALVES
PUFFBACKS, OIL BURNER
PUMPS, PONY PUMPS

RADIANT BARRIERS
RADIANT HEAT
RADIANT HEAT TEMPERATURES
RADIATORS
RELIEF VALVE LEAKS
RELIEF VALVES - TP Valves on Boilers
RELIEF VALVES - STEAM TP VALVES
RELIEF VALVES - Water Heaters
RELIEF VALVES - Water Tanks
Reset Switch - Heater Primary Control
Reset Switch Broken - Quick RepaiR
RESET SWITCH - ELECTRIC MOTOR
Reset Switch - Stack Relays

SAFETY, HEATING INSPECTION
SAFETY RECALLS, Chimneys, Vents, Heaters
SOLAR HEATING SYSTEM DESIGNS
SOOT on OIL FIRED HEATING EQUIPMENT
SPILL SWITCHES - Flue Gas Detection
SPLIT SYSTEM AIR CONDITIONERS & HEAT PUMPS
STACK RELAY SWITCHES
STEAM HEATING SYSTEMS

TANKLESS COILS
Thermal Expansion Cracking of Brick
THERMAL IMAGING, THERMOGRAPHY
THERMAL MASS in BUILDINGS
THERMAL TRACKING & HEAT LOSS
THERMOSTATS, HEATING / COOLING
THERMOSTATS, WATER HEATER

VIDEO GUIDES: Heating System Videos

WATER HEATERS
WATER HEATER SAFETY
WATER HEATERS for HOME HEATING USE?
WINTERIZE A BUILDING
WOOD, COAL STOVES & FIREPLACES
WOOD STOVE SAFETY

ZONE VALVES

More Information

LARGER VIEW of an octopus furnaceWeil McLain Gas Boiler Safety Notices - Carbon Monoxide Leak Hazards & Boiler Recall Notices
     

  • Weil McLain Boiler Recall notice details: this document describes safety hazards on certain models of Weil McLain heating boilers and reports on safety recalls. Warning: not all heating equipment safety or other recalls issued by various agencies and countries are included in this article.
  • Contact information for Weil McLain, the boiler manufacturer and the US CPSC are provided.
  • SAFETY RECALLS Chimneys, Vents, Heaters
    • BLUE vs YELLOW COMBUSTION FLAMES
    • BLUERAY Recall
    • CHIMNEYS & Flues - Asbestos Transite
    • Goodman HTPV RECALL
    • Heat Recovery Ventilator RECALL
    • Lennox SAFETY WARNING
    • PLASTIC Plexvent / Ultravent RECALL
    • Weil McLain RECALL
  • Questions & Answers about gas boiler carbon monoxide hazards, gas leak detection, cause, & repair & related product safety recalls
  • References

Click to Show or Hide Related Topics

  • HEATING SYSTEMS - home
  • AGE of HEATERS, BOILERS, FURNACES
  • AIR FILTERS for HVAC SYSTEMS
  • AIR HANDLER / BLOWER UNITS
  • BOILERS, HEATING - home
  • BOILER OPERATING PROBLEMS
  • BOILER CONTROLS & SWITCHES
  • CIRCULATOR PUMPS & RELAYS
  • CONDENSING BOILERS/FURNACES
  • DIAGNOSE & FIX AIR CONDITIONER / HEAT PUMP
  • DIAGNOSE & FIX HEATING PROBLEMS-BOILER
  • DIAGNOSE & FIX HEATING PROBLEMS-FURNACE
  • DUCT SYSTEM & DUCT DEFECTS
  • ELECTRIC HEAT, DIAGNOSIS, REPAIR
  • FURNACES, HEATING - home
  • FURNACE CONTROLS & SWITCHES
  • GAS BURNER Flame & Noise Defects
  • GAUGES ON HEATING EQUIPMENT
  • HEATING COST SAVINGS METHODS
  • HEAT PUMPS, DIAGNOSIS, REPAIR
  • NOISE DIAGNOSIS, HEATING SYSTEM
  • ODORS FROM HEATING SYSTEMS
  • OIL BURNER INSPECTION & REPAIR
  • OIL TANKS - home
  • OIL TANK PIPING & PIPING DEFECTS - home
  • PULSE COMBUSTION HEATERS
  • RADIANT HEAT
  • RADIATORS
  • RELIEF VALVES, BOILERS
  • RELIEF VALVES, STEAM BOILERS
  • RESET SWITCH, Primary
  • RESET SWITCH, ELECTRIC MOTOR
  • RESET SWITCH, STACK RELAY
  • STEAM HEATING SYSTEMS & Controls - home
  • THERMOSTATS, HEATING / COOLING
  • WOOD, COAL STOVES & FIREPLACES
InspectAPedia tolerates no conflicts of interest. We have no relationship with advertisers, products, or services discussed at this website.

This document includes information from public safety notices from the CPSC or from Canadian sources. Information Accuracy & Bias Pledge is at below-left. Use the links listed at Related Topics to navigate this document or to go to Other Website Topics. Readers of this document should also see HEAT EXCHANGER LEAKS.

Green links show where you are. © Copyright 2013 InspectAPedia.com, All Rights Reserved. Author Daniel Friedman.

29 May 2008 Gas Boilers Recalled in Canada

Weil-McLain recalled about 3200 gas boilers sold in Canada (U.S. information not cited) for inspection and repair on 29 May 2008. A leak in the gas boiler vent piping could release carbon monoxide (CO).

The gas boiler safety recall affects these Weil McLain gas boiler models:

CGs-3, CGs-4, CVGs-5, CGs-6 gas fired heating boilers with serial numbers from CP5071501 through and including CP5694976.

CGi-3, CGi-5, CGi-6 Series 2 gas fired heating boilers with serial numbers CP 4134351 through and including CP 5698635.

Weil Mclain advises owners to stop using these heating boilers until a safety inspection has been performed. -- weil-mclain.com

12 November 2005 Gas Boilers Recalled in the United States

This document describes carbon monoxide gas (CO) leak safety hazards on certain models of Weil McLain gas fired heating boilers which use certain gas control valves, made by White-Rodgers and which may produce dangerous carbon monoxide gas, a potentially fatal hazard. The CPSC document announces a recall/replacement program for these systems.

FOR IMMEDIATE RELEASE
Originally issued May 11, 1998
Last Revised November 23, 2005
Release # 98-107
Weil McLain Company Phone Number: (219) 879-6561
CPSC Consumer Hotline: (800) 638-2772
CPSC Media Contact: Mark Ross, (301) 504-7076

Note: telephone number change

CPSC, Weil-McLain Announce Recall to Repair Gas Boilers

WASHINGTON, D.C.- In cooperation with the U.S. Consumer Product Safety Commission (CPSC), Weil-McLain, of Michigan City, Ind., is recalling 8,500 Weil-McLain gas boilers for field adjustment of the gas control valve. These boilers' gas control valves, made by White-Rodgers, could have gas pressure settings that are too high. Incorrect gas pressure can cause the boiler to produce dangerous carbon monoxide, which can then leak, causing serious injury or death.

Weil-McLain has received three reports of carbon monoxide detectors alarming due to the release of carbon monoxide from these boilers. No injuries or deaths have been reported.

The Weil-McLain model GV gas boilers subject to this recall are equipped with certain White-Rodgers model 36C98-303 gas control valves with date codes 9621 through 9723. The date code and model number can be found on the unit's gas control valve, which is located at the front and center section of the boiler under the jacket. Also, all Weil-McLain GV boilers located at elevations more than 7,000 feet above sea level are being recalled. These boilers have "WEIL-McLAIN GOLD GV" written on the boiler jacket.

Heating and cooling companies and contractors sold these boilers nationwide from June 1996 to November 1997 for about $1,500 to $3,000. Approximately 1,000 GV boilers were installed from June 1990 to January 1998 at locations above 7,000 feet elevation.

Consumers should immediately check to see if they have a Weil-McLain GV boiler affected by this recall. For assistance in checking the boiler's gas valve model and date code, or for other additional information, consumers should call Weil-McLain at (219) 879-6561. If a consumer has an affected boiler, Weil-McLain will arrange for a free adjustment of the gas control valves' pressure setting.

[The images below assist readers in identifying the Weil-McLain gas fired Gold GV boiler and the White Rodgers gas control valve involved.]

Weil-McLain Boiler

Picture of Where to Locate Model # and Date Code

The U.S. Consumer Product Safety Commission is charged with protecting the public from unreasonable risks of serious injury or death from more than 15,000 types of consumer products under the agency's jurisdiction. Deaths, injuries and property damage from consumer product incidents cost the nation more than $700 billion annually. The CPSC is committed to protecting consumers and families from products that pose a fire, electrical, chemical, or mechanical hazard or can injure children. The CPSC's work to ensure the safety of consumer products - such as toys, cribs, power tools, cigarette lighters, and household chemicals - contributed significantly to the 30 percent decline in the rate of deaths and injuries associated with consumer products over the past 30 years.


Frequently Asked Questions (FAQs)

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Technical Reviewers & References

Related Topics, found near the top of this page suggest articles closely related to this one.

  • ...

Books & Articles on Building & Environmental Inspection, Testing, Diagnosis, & Repair

  • Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the InspectAPedia Bookstore. Also see our Book Reviews - InspectAPedia.
  • Home Reference Book - Carson DunlopThe Home Reference Book - the Encyclopedia of Homes, Carson Dunlop & Associates, Toronto, Ontario, 25th Ed., 2012, is a bound volume of more than 450 illustrated pages that assist home inspectors and home owners in the inspection and detection of problems on buildings. The text is intended as a reference guide to help building owners operate and maintain their home effectively. Field inspection worksheets are included at the back of the volume. Special Offer: For a 10% discount on any number of copies of the Home Reference Book purchased as a single order. Enter INSPECTAHRB in the order payment page "Promo/Redemption" space. InspectAPedia.com editor Daniel Friedman is a contributing author.

    Or choose the The Home Reference eBook for PCs, Macs, Kindle, iPad, iPhone, or Android Smart Phones. Special Offer: For a 5% discount on any number of copies of the Home Reference eBook purchased as a single order. Enter INSPECTAEHRB in the order payment page "Promo/Redemption" space.

  • GO TO Carson Dunlop's Home Study Course Information - How to Become a Home Inspector: Carson Dunlop's nationally recognized Home Study Course, selected by ASHI the American Society of Home Inspectors and other professionals and associations. This website author is a contributor to this course.
  • GO TO Carson Dunlop's Home Study Course Information - How to Become a Home Inspector: Carson Dunlop's nationally recognized Home Study Course, selected by ASHI the American Society of Home Inspectors and other professionals and associations. This website author is a contributor to this course.
  • GO TO Carson Dunlop's Home Study Course Information - How to Become a Home Inspector: Carson Dunlop's nationally recognized Home Study Course, selected by ASHI the American Society of Home Inspectors and other professionals and associations. This website author is a contributor to this course.
    Building inspection education & report writing systems from Carson, Dunlop & Associates Ltd
  • Carson Dunlop, Associates, Toronto, have provided us with (and we recommend) Carson Dunlop Weldon & Associates' Technical Reference Guide to manufacturer's model and serial number information for heating and cooling equipment
    Special Offer
    : Carson Dunlop Associates offers InspectAPedia readers in the U.S.A. a 5% discount on any number of copies of the Technical Reference Guide purchased as a single order. Just enter INSPECTATRG in the order payment page "Promo/Redemption" space.

  • Carbon Monoxide Gas Toxicity, exposure limits, poisoning symptoms, and inspecting buildings for CO hazards
  • DUST, HVAC CONTAMINATION STUDY An Investigation of Indoor Dust Debris Blamed on a Heating/Cooling System Reveals Carpet Dust
  • Fuel Oil & Oil Heating Magazine, 3621 Hill Rd., Parsippany, NJ 07054, 973-331-9545
  • Goodman Furnace High Temperature Plastic Vent HTPV safety recall US CPSC notice
  • Home Heating System Should Be Checked [for proper venting and for CO Carbon Monoxide Hazards - DJF]
  • Inspection Procedures for Oil-Fired Heating Systems Detailed step by step approaches for inspecting complex systems]
  • Lennox Pulse Furnace Safety Inspection/Warranty Program: Carbon Monoxide Warning
  • Oil Tanks - The Oil Storage Tank Information Website: Buried or Above Ground Oil Tank Inspection, Testing, Cleanup, Abandonment of Oil Tanks
  • Oil Tanks Above Ground, UL Standards, guidance for home owners, buyers, and inspectors
  • Plastic Heating Vent Pipe & Other Heating Safety Recall Notices
  • Weil McLain Model GV Gas Boiler/gas valve CPSC recall/repair
  • Domestic and Commercial Oil Burners, Charles H. Burkhardt, McGraw Hill Book Company, New York 3rd Ed 1969.
  • National Fuel Gas Code (Z223.1) $16.00 and National Fuel Gas Code Handbook (Z223.2) $47.00 American Gas Association (A.G.A.), 1515 Wilson Boulevard, Arlington, VA 22209 also available from National Fire Protection Association, Batterymarch Park, Quincy, MA 02269. Fundamentals of Gas Appliance Venting and Ventilation, 1985, American Gas Association Laboratories, Engineering Services Department. American Gas Association, 1515 Wilson Boulevard, Arlington, VA 22209. Catalog #XHO585. Reprinted 1989.
  • The Steam Book, 1984, Training and Education Department, Fluid Handling Division, ITT [probably out of print, possibly available from several home inspection supply companies] Fuel Oil and Oil Heat Magazine, October 1990, offers an update,
  • Principles of Steam Heating, $13.25 includes postage. Fuel oil & Oil Heat Magazine, 389 Passaic Ave., Fairfield, NJ 07004.
  • The Lost Art of Steam Heating, Dan Holohan, 516-579-3046 FAX
  • Principles of Steam Heating, Dan Holohan, technical editor of Fuel Oil and Oil Heat magazine, 389 Passaic Ave., Fairfield, NJ 07004 ($12.+1.25 postage/handling).
  • "Residential Steam Heating Systems", Instructional Technologies Institute, Inc., 145 "D" Grassy Plain St., Bethel, CT 06801 800/227-1663 [home inspection training material] 1987
  • "Residential Hydronic (circulating hot water) Heating Systems", Instructional Technologies Institute, Inc., 145 "D" Grassy Plain St., Bethel, CT 06801 800/227-1663 [home inspection training material] 1987
  • "Warm Air Heating Systems". Instructional Technologies Institute, Inc., 145 "D" Grassy Plain St., Bethel, CT 06801 800/227-1663 [home inspection training material] 1987
  • Heating, Ventilating, and Air Conditioning Volume I, Heating Fundamentals,
  • Boilers, Boiler Conversions, James E. Brumbaugh, ISBN 0-672-23389-4 (v. 1) Volume II, Oil, Gas, and Coal Burners, Controls, Ducts, Piping, Valves, James E. Brumbaugh, ISBN 0-672-23390-7 (v. 2) Volume III, Radiant Heating, Water Heaters, Ventilation, Air Conditioning, Heat Pumps, Air Cleaners, James E. Brumbaugh, ISBN 0-672-23383-5 (v. 3) or ISBN 0-672-23380-0 (set) Special Sales Director, Macmillan Publishing Co., 866 Third Ave., New York, NY 10022. Macmillan Publishing Co., NY
  • Installation Guide for Residential Hydronic Heating Systems
  • Installation Guide #200, The Hydronics Institute, 35 Russo Place, Berkeley Heights, NJ 07922
  • The ABC's of Retention Head Oil Burners, National Association of Oil Heat Service Managers, TM 115, National Old Timers' Association of the Energy Industry, PO Box 168, Mineola, NY 11501. (Excellent tips on spotting problems on oil-fired heating equipment. Booklet.)
  • Links to our list of additional information on heating system inspection, repair, maintenance
  • ...

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