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I have a gas heater unsure of model used for the first time in a year and it wouldn't light. This is spark controlled which you push down and turn so it flicks and obviously lights up the heater. Still no luck ended up lighting with a match which only lit one panel and when you let go of knob it went out any ideas?

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Turn the gas heater off. You should notice that your air conditioning will work much better.

Posted on Jul 02, 2008

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Brivis multiplex he20e


MPS HE20E is a gas heater. So the unit should need a pilot to be re-ignited. This will happen automatically once you press the ON button on the controller. Assuming the gas supply is normal this should happen immediately. The unit attempts re-ignition 4 to 5 times but if the pilot does not turn on it will display an error code on the controller. Take extreme precautions when dealing with gas appliances. Make sure you call a technician if unsure.

Aug 21, 2014 | Heating & Cooling

1 Answer

I have a six-year old AO Smith Model 50-100 that goes out intermittently and is getting harder to light and stay lit. Had the thermocouple replaced today, and it still won't light and stay lit. I am...


1st thing I would check would be the chimney. Take a match and light it, stick it near
the draft hood of the water heater, be carefull it might be hot. If the match gets blown
out, then you have a backdraft problem. Because it does not happen all the time, perhapsit only does it when you have a strong wind.

Turn off the gass and break the union apart, turn on the gas for a little bit to bleed the
air out of the line. Turn the control on water heater to pilot or lowest setting. Follow
the lighting instructions, if it still does not light then my guess would be the gas valve.

Aug 30, 2011 | Heating & Cooling

1 Answer

I have a Vulcan Ultra 21E ceiling ducted unit The LED flashing fault is no 8 which is a gas interruption. The unit fan runs, ignition starts full flame and gas flows for about 2 secs then shuts down The...


Just been thru a similar problem with my Climate Technologies Vulcan High Efficiency Ducted Gas heater which in this case is installed under the house. This heater is about 7 years old and I have previously (2 years back) refurbished the controller by replacing the main power supply electrolytic filter capacitors.

I also had a communication problem with the Touch pad Thermostat which in the end required replacing the entire touch pad as one of it's voltage regulators had gone intermittent (Touch pads are available on E-Bay). To operate the heater while the touch pad was out of commission I installed a manual switch between the heat contacts on the heater controller. Closing the switch causes the heater to permanently run if it has no thermostat. Once communication with the touch panel was restored we were able to try and find the intermittent heater fault.

Again I have been getting Fault Code 08 "Gas Interruption" however the heater was lighting OK and then going out after about a minute or so. In the end I found 2 distinct heater faults.

Fault 1 was the flame sensor where the weld between the wire and flame probe rod had broken but it was still touching. This meant it was sensing Flame OK and then later would go open with expansion as the temperature rose. I fixed this by replacing the Flame Probe with a new one sourced from Reece HVAC.

At this point I celebrated thinking it was fixed!

Fault 2 after the flame sensor issue was cleared the fault still persisted but slightly less often.
The heater was cycling 3 times to get going and then locking out, requiring a reset from the touch thermostat or heater controller board. Sometimes the heater would achieve a onging burn for a long period, and other times just locking out after 3 tries.

Careful observation of the flame, through the observation holes after it lit, showed correct flame sensing but as soon as the nominal 65C duct temperature was reached the combustion fan (modulates) throttles back too far and the flame goes out, the flame sensor switches off and gas valve is then closed. The pressure differential across the burner manafold controls the Gas flow rate so if the combustion fan goes too slow the flame goes out due to lack of gas.

On the control board there is a potentiometer marked "MIN GAS RATE" this needs to be tweaked clockwise until the burner remains lit when the nominal 60-65C duct temperature is reached. Don't turn it up too far or the heater may not throttle back enough and end up going out on overheat.

Once a stable flame is achieved when throttled, try the heater in the economy mode which uses a lower recirculating fan speed and check the flame still remains lit. My problem was most obvious in the Econ mode.

Hope this helps someone else - It took me over a year to solve this one. NeilP

Aug 21, 2011 | Heating & Cooling

1 Answer

My fathers Bosch water wizard tf 250 will not start. the water will flow but no gas will not ignite or come through the pipe to the heater. the gas bottle is full. thanks Dave Tooley


Dave, make sure that the gas valve on the Propane tank, is fully open and that the inline gas shutoff valve near the heater is turned ON. Those are the basic two things that would prevent the gas from flowing thru the gas line, to the heater.

If the above valves are ON, the problem then lies with the gas control valve on the water heater. If it has pilot light that has to be lit, make sure that the heater's gas control valve is properly in the PILOT Position, before attempting to light it. It must be able to be pushed ALL the way in and you should feel strong pressure pushing back at you (other than spring pressure). When you feel that, it's in the PILOT Position and ready to be lit. Once it's lit, continue to hold the Pilot Button in for 1 minute, then release it. If the Pilot stays lit, turn it to the ON Position.

Hope this helped you to troubleshoot and solve the problem. Please let me know. Thanks.

Jun 22, 2011 | Heating & Cooling

1 Answer

I have a space heater with dial temp control and push button ignition for pilot. The pilot lights but will not remain lit, have held dial down for up to 2 minutes but flame dies as soon as the dial is...


David here are 2 things that can cause this problem.

The Thermocouple has failed or is loose where it connects to the unit's gas control valve. If it's loose, finger tighten it and then only 1/4 turn more with a wrench.

If you have a Vent-free or Flue-less heater, the Pilot's Oxygen Depletion Sensor (ODS) is clogged with dust, lint or pet hair and is reading the oxygen level as unsafe for operation. Clean the pilot and the ODS (which is a small hole in the side of the pilot) using canned compressed air with a straw nozzle, like you use to clean your computer.

If you can furnish who the heater's manufacturer is and the model number, I may be able to send you the Owners Manual for the heater. Which will have more troubleshoot tips.

Hope this helped you troubleshoot and solve the problem. Please let me know. Thanks.

May 12, 2011 | Heating & Cooling

1 Answer

No gas coming threw to heater everdure brigadire there is spark but no flame or gas


Check to make sure that the gas line to the unit is in fact, turned ON. Check the pilot for obstructions, as it may need cleaning. In addition, the gas control valve on the heater, may be in the wrong position or setting for lighting the furnace. And finally, check any other gas appliances you have, to see if they are functioning properly. If they're not, your gas may have been turned OFF, by your gas provider.

May 03, 2011 | Heating & Cooling

1 Answer

I have 2 Superser heaters. The newer one ignites at the 2nd or 3rd push of the plunger. However, the older one is a real pain. Some years ago after a summer of inactivity, it failed to ignite so I took...


The first thing I would do is make sure that ignitor is in the proper placement. Compare it to your other one. You can carefully clean ignitor and pilot assembly. Check to see that you have a good strong spark when you push plunger. If not you probably need to replace the ignitor. One thing you can do is to hold pilot control down like usual and light with a match. You can check but a lot of these units use a spark ignitor like they use on propane grills, about $15.00 in most hardware stores. Hope this helps you. Thanks

Nov 22, 2010 | Heating & Cooling

1 Answer

How start lighting pilot


turn switch at gas valve 2 hold buttton down 3 with button held down light pilot or push spark button 3 times and continue to hold button down for aleast 1 minute then let off button turn to on position

Sep 29, 2010 | Heating & Cooling

1 Answer

Pilotlight on gas water heater went out. cant get cover off to light pilot light. Heater is three years old.


Some of the modern heaters have covers that are not removed to light the pilot. Look for an external "clicker" type spark ignitor.

Usiually a red button. Sometimes integrated into the gas valves on/off switch.

Dec 06, 2008 | Heating & Cooling

1 Answer

Have an old Rinnai Gas Heater (approximately 30 years old) still working well, but we had to turn off the gas, and now cannot turn it on again. We have two buttons, one below the other, one is red and...


You are half-way right, to light the pilot, light it and push down the red button and hold it for at ----least2-minutes-- till the flame heats up the pin (thermocouple- which fire-thermocouple metal makes electricity which sends it to the gas valve and says ,OK GAS VALVE,I'VE GOT A PILOT FLAME SO OPEN UP THE MAIN GAS VALVE! See where I'm going with this?

Sep 03, 2008 | Rinnai Heating & Cooling

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