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What wall heaters are dangerous and shoul be removed from a house

I would like to know what wallheaters are dangerous and should be replaced.

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The ones which have a loose heater coil touching the body of the reflector, need to be replaced. When the wall mounting plug is heating up, replace it with a standard one. It should not be loosely connected to the socket.

Posted on Jan 22, 2009

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Posted on Jan 02, 2017

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1st panel on Vanguard 22,000 btu ventless propane wall unit has overshooting flame causing strong exhaust-like odor in house. Has black residue coming out of top vents. No fan on this unit.Help!


good thing that you turned it off as it is now not operating as designed and that makes gas dangerous
call an accredited gas fitter to properly diagnosed the problem and repair/ replace it

Jan 01, 2017 | Vanguard Heating & Cooling

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I have one of the old fashion gas space heaters & it has smoked up my house! You can't see it coming from the heater, but there is soot all over walls & ceilings. What do I do, & is it dangerous?...


Yes, it is very dangerous. You are breathing carbon monoxide and it can be deadly. Turn off the unit and get it serviced immediately. Your heater probably has a blocked flue and will need to be cleaned or the burner has rusted away or is very dirty. Hire a professional to fix/clean the heater or just have it replaced it with a modern heater.

Mar 01, 2015 | Heating & Cooling

1 Answer

Duct Heater


carbon monoxide in any concentration is deadly. It gets in the blood and prevents the blood from absorbing oxygen. Follow the technicians advice and find out why there is this gas in the house.10 ppm is easily achievable and you cannot smell it and won't know it until you feel sleepy

Apr 30, 2013 | Heating & Cooling

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How to remove the heater core


If it is necessary to remove the heater assembly, the cooling system must be drained before removing the heater core.
When a heater core leaks, a new heater core is installed or the old one repaired.
Heater Housing
  • The heater housing is usually under the dash and must be removed to gain access to the heater core.
  • Procedures for replacing the heater core vary with the year, make, and model of car. It threfore necessary to consult the manufacturer's repair manuals for the proper procedure for replacement.
f74-01.gif The heater housing is disassembled to get to the heater core. Heater Core
  • Remove the access panels(s) or the split heater/air conditioning case to gain acess to the heater core.
  • Remove the heater coolant hoses.
  • Remove the cable and/or vacuum control lines (if equipped).
  • Remove the heater core securing brackets and/or clamps.
  • Lift the core from the case. Do not use force. Take care not to damage the fins of the heater core when removing.
  • To reinstall the heater core, reverse the removal steps.
When the heater core leaks and must be repaired or replaced, it is a very difficult and time-consuming job primarily because of the core's location deep within the firewall of the car. For this reason always leak test a replacement heater core before installation.

Dec 24, 2010 | 1993 Honda Accord

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Im replacing the heater core in 2001 jeep cherokee...i have the dash off down to fire wall...all screws are out of bottom heater box but I cant remove the bottom of box to get to heater core...what am I...


If it is necessary to remove the heater assembly, the cooling system must be drained before removing the heater core.
When a heater core leaks, a new heater core is installed or the old one repaired.
Heater Housing
  • The heater housing is usually under the dash and must be removed to gain access to the heater core.
  • Procedures for replacing the heater core vary with the year, make, and model of car. It threfore necessary to consult the manufacturer's repair manuals for the proper procedure for replacement.
f74-01.gif The heater housing is disassembled to get to the heater core. Heater Core
  • Remove the access panels(s) or the split heater/air conditioning case to gain acess to the heater core.
  • Remove the heater coolant hoses.
  • Remove the cable and/or vacuum control lines (if equipped).
  • Remove the heater core securing brackets and/or clamps.
  • Lift the core from the case. Do not use force. Take care not to damage the fins of the heater core when removing.
  • To reinstall the heater core, reverse the removal steps.
When the heater core leaks and must be repaired or replaced, it is a very difficult and time-consuming job primarily because of the core's location deep within the firewall of the car. For this reason always leak test a replacement heater core before installation.

Dec 19, 2010 | 2001 Jeep Grand Cherokee

1 Answer

Can I get to the Heater Core without going through the engine. (Maybe the side wall?)


Inspect/Replace If it is necessary to remove the heater assembly, the cooling system must be drained before removing the heater core.
When a heater core leaks, a new heater core is installed or the old one repaired.
Heater Housing
  • The heater housing is usually under the dash and must be removed to gain access to the heater core.
  • Procedures for replacing the heater core vary with the year, make, and model of car. It threfore necessary to consult the manufacturer's repair manuals for the proper procedure for replacement.
f74-01.gif The heater housing is disassembled to get to the heater core. Heater Core
  • Remove the access panels(s) or the split heater/air conditioning case to gain acess to the heater core.
  • Remove the heater coolant hoses.
  • Remove the cable and/or vacuum control lines (if equipped).
  • Remove the heater core securing brackets and/or clamps.
  • Lift the core from the case. Do not use force. Take care not to damage the fins of the heater core when removing.
  • To reinstall the heater core, reverse the removal steps.
When the heater core leaks and must be repaired or replaced, it is a very difficult and time-consuming job primarily because of the core's location deep within the firewall of the car. For this reason always leak test a replacement heater core before installation.

Nov 18, 2010 | 1983 Buick LeSabre

1 Answer

What is easy way to replace the thermostate in


Hi, that thermostat should be a wall mount. This heater has only 2 wires and any "Heat only", "millivolt" thermostat will work. Remove the old T-Stat and mount the new one on the wall, only 2 wires and less than a volt so no shock danger, doesn't even matter which wire goes where. Good luck and comment back if you need any help.

Jan 09, 2010 | Cozy Heating & Cooling

1 Answer

Hi i need a coupler i think / for a dyna-glo propane wallheater but i am not sure what the part looks like could you e-mail a pic please yo debbiejoannwallace@yahoo.comit is a D-E37


First of all you must be very careful with working with propane, unlike natural gas,propane is heavier than air and will not dissipate. Coupler (Thermocouple) There many different types, But what they all have in common is the tip. The unit may have what they call a pilot. Most customers know it as the pilot light. once you find the tip in the pilot in the following picture is a type of thermocouple. look at the tip. Then look at yours Follow tip assembly it should be attach to what we call a gas value 58caa1e.jpg

Dec 05, 2009 | Dyna-Glo D-E37 Wall Mounted Panel Heater

1 Answer

How do you remove a heater core from a 2000 GMC JImmy


2000 GMC Jimmy heater core replacement in order to replace a heater core in a 2000 gmc jimmy the coolant must be completely drained and the entire dash including radio, vents and panel covers must be removed. four screws hold the top portion(closest to the windshield) in place. they can be found under the windshield defrost vent. after the entire dash is removed a safety harness under the steering column must be removed and the steering column must be dropped to the driver seat. the heater core housing(black plastic) is located right center of the dash and is a two part housing one piece on top of the other. the housing is attached to the fire wall and must detached before replacement can continue. after detaching the housing from the fire wall separate the housing by unscrewing the six screws that hold it together. the heater core is now exposed. disconnect the heater core from the two hoses and discard. installation is the uninstall process in reverse. it is a very long and drawn out process that is not accomplished in just an hour or two . make sure you have most of the day or several afternoons to finish . Good luck and take pictures with your cell phone to use as reference.

Nov 27, 2009 | 2000 GMC Jimmy

1 Answer

Got heater core need to put it in,want to now how to do it the right and fastest way


In order to replace a heater core in a 1998 gmc jimmy the coolant must be completely drained and the entire dash including radio, vents and panel covers must be removed. four screws hold the top portion(closest to the windsheild) in place. they can be found under the windshield defrost vent. after the entire dash is removed a safety harness under the steering column must be removed and the steering column must be dropped to the driver seat. The heater core housing(black plastic) is located right center of the dash and is a two part housing one piece on top of the other. the housing is attached to the fire wall and must detached before replacement can continue. after detaching the housing from the fire wall separate the housing by unscrewing the six screws that hold it together. the heater core is now exposed. disconnect the heater core from the two hoses and discard. installation is the un installation process in reverse.
Good luck, it is a very long and drawn out process that is not accomplished in just an hour or two . make sure you have most of the day or several afternoons to finish . i started this and it took me 2 afternoons to take apart and put back together 

May 29, 2009 | 1998 GMC Jimmy

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