yes, you can work on it yourself and yes, you can have another company follow up. however, just like a professionally hired contractor, you are supposed to do your due diligence to follow all local codes and make sure anything you work on you update to current code if necessary.
1-Had an estimate from a company.
2-Replaced the two part they suggested (ignitor and gas valve)
3-didn't fix it.
4-Had another company come out to check my work because they could make it out faster.
4-replaced control board
5-called company #2 to come out to check work and advise on arching issue.
6-refused to come out because I replaced parts (they knew that I replaced previous 2) and said it was illegal for me to work on it without a license.
wanted to make sure it was okay before moving to company #3.
without saying anything a good tech will see what was changed with new stuff on a walk in...do you still have no heat and did #3 show up....your running out of stuff to change what is and or isn't going on the call for a for heat....next time somebody comes in and bangs you for a service call? quip...don't bother i'll go over to DIYchatroom to talk to the pros for FREEEEEEEEEEE:whistling2:nobody tells you what you can and or can't do:wink:in the castle
Some ignitors make a popping/ cracking sound. If it is functional declare it fixed. I am always amazed at the garbage that comes out of "professional's" mouths. Sleazy lawn service dick told my aunt it was illegal for her to buy weed & feed at Lowes and apply to her own lawn because she wasn't a PhD in lawn care like he was. I got the turd fired.
@polecat - the popping sound is VERY loud. I can hear it in the house. This is why I'm concerned. The only time I've heard something similar is right before a transformer blew when I was a kid. Granted the transformer was much louder....but same type of sound.
is there a burning wire smell like a toaster elements with the burner cover off how is the flames and has the spark ignition stopped after the main burners are on...so the unit is making set point but the noise and neither parts change any sounds....but you still have original noise....do you have a plain cardboard/fiberglass filter or electronic?
could be the heat exchanger expanding getting hot then cooling down after the stat satisfies...do you hear it after the main gas shuts down,but the fan is still running at the end of the heat cycle?especially if your right down in front of it...160F + going into that duct from the furnae is it sheetmetal on the main run out up into the house?
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