Question about Sunpak Infrared Hanging Heater S34 Stainless Steel Propane Gas Hanging Heater

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I have a problem with the s34 it will go fine for a while then all of a sudden the gas will explode and the heater will stop

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We have a procom small gas heater. We will have it on and all of sudden it will make a booming noise and go out. We will turn off and then restart and it starts and is good for awhile.


the noise could be a build up of unburnt gas ( slow leak in the line before the jet) that reaches a point where it ignites and blows out the jet flame
This is a situation that you need to get a gas fitter in to find the fault or the next big boom could be the house exploding

Dec 20, 2016 | Procom Heating & Cooling

1 Answer

I have a Bosch GWH 425 HNO propane Tankless Water Heater which began intermittently exploding when demand for hot water occurs.


Call a qualified service tech immediately.
Gas explosion indicates dirty combustion parts, and gas is not fully igniting when tankless turns on the gas. So gas builds up and then explodes causing serious damage to tankless, and serious risk to homeowner.

Aug 14, 2012 | Bosch & Tankless LP Hot Water Heater

1 Answer

JVC radio operation instructions for model kd-S34


JVC has the manuals on their support site: http://books.jvc.com/booklist.asp?Model=KD-S34 . The direct link to the installation guide is: http://books.jvc.com/Download/138327414/GET0518-002A.pdf . The operating instructions are here: http://books.jvc.com/Download/138327414/GET0518-001A.pdf . If you want to buy a printed copy, see http://store.jvc.com/product.asp?Model=KD-S34 . Note you will need a program like Adobe Reader to read the files.

I hope this helps.

Cindy Wells

Oct 03, 2011 | Car Audio & Video

1 Answer

Having trouble igniting the pilot light. Is there a solution to remedy this problem? Was working fine for a few year, and all of a sudden the water heater just stopped working


more then likely, its the thermal coupling thats bad. because if bad, it will not send gas through to light pilot. the coupling has wires on inside of it that transmit signals to turn on the gas supply. but it has to be in the pilot light flame to get hot. then it sends a signal to valve to turn gas on.

Dec 24, 2010 | Rheem 50 Gallon FVR NATGAS Water Heater...

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I have a Bosch GWH 425 HN Tankless Hot Water Heater...On 2/28/2010, it began intermittant exploding when demand for hot water occurred. Local technicians worked on the unit several times, changed and...


I have the same problem with the same model. The problem has been identified by a friend of mine, correctly, I think.
This is a very dangerous problem involving Bosch's much touted safety feature, ironically enough. IT IS THE FLAME SENSOR IN THE GAS VALVE. The flame sensor is supposed to confirm that the pilot has lighted BEFORE the main gas line sends gas to the main burners, after which the pilot shuts off. The pilot light is not coming on, the sensor that shouldn't let gas fto the main burners is failing and the main gas is flowing and ignighting from the spark that is supposed to light only the pilot in a big explosion.
This is the 2nd unit of this model that has failed. I think Bosch should do a recall

Apr 25, 2010 | Bosch & Tankless LP Hot Water Heater

1 Answer

Relatively new wall furnace suddenly stopped working.


if you are by passing stat at the gas valve and it is still not working,i would assume a bad control valve.

Jan 13, 2010 | Heating & Cooling

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Goodman GMP050-3


If you do not have two furnaces hooked together, you have a bad circuit board or an improper ground or neutral wire.

Dec 09, 2008 | Goodman GMS90703BXA Heater

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