Question about Procom Heating & Cooling
Moving everything from around heater, vac the dust out from heater, has the local gas serviceman person come by and check the gas line
The problem is more than likely in the flame rectification circuit. The little rod that senses the flame probably has barely perceptible corrosion on either its surface or on the physical wiring connections between it and the ignition control module. A little touch with the sandpaper at these connections should take care of it. I've had extreme cases where the actual furnace grounding conductor was creating the issue.
Posted on Dec 06, 2014
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Posted on Jan 02, 2017
will either be the unitrol control box or the thermocouple, when you push down you are holding two magnets together and waiting for a small charge to be created from the probe in the flame , if this is not working you have no charge and the magnets won;t stick to allow the valve to open, change the thermo and see if that works first, its way cheaper than a new controler
Posted on Feb 05, 2009
SOURCE: flame goes out
the most common problem is the flame sensor located just behind the fire chamber, about two inches long in a round rubber boot with two wires. you can get one from mr. heater for about 3 bucks. the wires are a different color but all you have to do is splice them to your old wires. it doesn't matter how you connect them.
Posted on Feb 08, 2009
how by extending the duct work will it make the gas valve work ?
if the pilotkeeps going out clean pilot jet , or if the power unit has gone in the gas valve then you would have to change the valve , don't get the flue bit ?
Posted on Feb 24, 2009
If you have an ML300HGA, it is a manual-control heater, which means you turn it on and you turn it off. No thermostat. It does not have an AUTO setting.
Likewise, the thermostat-controlled models do not have a Manual mode. If you have the ML300TBA, it has a thermostat and will turn itself on/off in order to maintain a room temperature.
On manual models, the numbers (if any) on the dial are heat output selections. Set the control to the highest heat setting and that's what it does until you turn it off.
On automatic thermostat models, the numbers on the dial are temperature selections. Set the control to the highest heat setting and the heater will continue running until it is 85-90 degrees, then shut off. Set it around 2 and it will maintain a temp of around 70 degrees.
All Procom heaters are either automatic (thermostat-controlled) or Manual. None are both.
Posted on Jun 12, 2009
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