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  1. Ouch! That sounds like WAY too much work. It...

    Ouch! That sounds like WAY too much work. It takes a special star shaped allen key to get that damned plastic cap off. Plus, what happens if you accidently drop a solder ball in a bad place so...
  2. The gas valve is (was) just a standard SmartValve...

    The gas valve is (was) just a standard SmartValve 1. The control board is a little "oddballish", but it's honeywell (406650, or something like that). Even if you can't find it, the only thing...
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    I bet that if you put a thermometer in the...

    I bet that if you put a thermometer in the register when the furnace is blowing "cold" air, you will find that it's actually pretty close to 65
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    I'm sure that there are many furnaces where the...

    I'm sure that there are many furnaces where the high limit simply cuts the power to the gas valve. So that the inducer will run, hsi will glow, but no gas.

    But by the time the HO went to the...
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    Dude, we're not messing with you. If you have...

    Dude, we're not messing with you.

    If you have HVAC experience, then you should know, just like the rest of us, that a dirty filter should not cause a situation where the HSI glows, but the gas...
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    There really is NO explanation here. A dirty...

    There really is NO explanation here.

    A dirty filter may make the furnace cycle on limit. But it should not affect the gas valve powering up.
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    You moved into a new house that had been...

    You moved into a new house that had been abandoned for some time.

    There was air in the gas line.

    By an amazing coincidence, when the tech showed up, all the air was out, and the furnace fired...
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    New furnaces do stink during their first FEW...

    New furnaces do stink during their first FEW firings.

    One time, we installed a new furnace. Fired it up, and the oil set off a smoke alarm. The lady called the police on us.

    Furnaces will...
  9. Very interesting. I've never had to do that...

    Very interesting. I've never had to do that before. But it would sort of explain why the problem only happens during the morning.

    Sometimes I wonder if beenthere's even a human being.
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    Have your tech yank the motor and take it to a...

    Have your tech yank the motor and take it to a store that deals specifically with electronic blower motors. In my area, "kirby risk" is one such store, but I'm not sure if that is a national chain. ...
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    To answer your question, Give me a perfectly...

    To answer your question,

    Give me a perfectly clean, brand new filter, and a spec of dust, and I can show you a furnace that, despite only having a single spec of dust on a brand new filter, will...
  12. What Delta-T says makes mountains of sense. It...

    What Delta-T says makes mountains of sense.

    It is time for a new furnace:)

    But don't give up amigo. Looking at your original post, maybe when the furnace is cool, the metal housing contracts...
  13. Do you have any pictures of how the pipes look...

    Do you have any pictures of how the pipes look outside?

    If water gets pooled inside of a combustion pipe, it will obviously lose its effectiveness.

    If the combustion pipe is sucking in flue...
  14. Hmm...this really is a head scratcher. In my...

    Hmm...this really is a head scratcher. In my experience, a furnace starved for combustion air will be yellow...

    Now you're making me feel bad, making it apparent how little I know about the...
  15. A lot of the sooted up furnaces I've seen were...

    A lot of the sooted up furnaces I've seen were caused by high gas pressure. Sometimes by the gas company, sometimes by the regulator in the gas valve. Unfortunately, both of those causes can lead...
  16. Yep, a cracked heat exchanger can cause the...

    Yep, a cracked heat exchanger can cause the pressure switch not to close. But I wouldn't be TOO worried about that. Those manufacturers don't give bazillion year warranties on them because they...
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    sure does sound like a possible thermostat issue,...

    sure does sound like a possible thermostat issue, doesn't it?
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    Lol. I guess you could have your contractor...

    Lol.

    I guess you could have your contractor wire in some lightbulbs to the elements.

    We've been thinking of a way to wire in a meter that will calculate, based on price/kwhr how much the...
  19. I'm trying to figure out what you're saying is...

    I'm trying to figure out what you're saying is wrong with the drain system. Are you saying the evaporator coil and furnace condensation can't share a common drain? Or are you saying there's...
  20. Typically, 90% furnaces have condensate pipes...

    Typically, 90% furnaces have condensate pipes coming out of the secondary heat exchanger and somewhere near the inducer. Usually, those pipes go to some sort of trap, and then out the furnace.

    I...
  21. the detrickulated discombobulation chamber was a...

    the detrickulated discombobulation chamber was a (attempt at a) joke, the broken inducer blower wheel seems a genuine possibility
  22. ...yeah, they'll know what to do, and it'll...

    ...yeah, they'll know what to do, and it'll involve a substantial increase to your bill;).

    But if the only thing wrong with the draft inducer is that the wheel is shot, then you might be able to...
  23. Discombobulation chamber's been detrickulized. ...

    Discombobulation chamber's been detrickulized.

    Seen it happen all the time.

    I've also seen the little plastic fan blade on those inducers fall apart in certain areas. Leads to some funny...
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    Something just sounds odd about this company. ...

    Something just sounds odd about this company.

    Granted, I wasn't there. I don't know anything.

    But I wouldn't die of a shock attack if I learned that the leak was at where the TXV was soldered....
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    The HO was curious why he didn't get a full...

    The HO was curious why he didn't get a full refund.
  26. Why on earth would a tech check TEMP RISE when...

    Why on earth would a tech check TEMP RISE when the problem is an OVERHEATING furnace...:rolleyes:
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    Actually, beenthere's correct. If the suction...

    Actually, beenthere's correct. If the suction shrader valve wasn't depressed, the tech would have been unable to add charge.

    Sorry, that "zero suction pressure" stuck out like a sore thumb as a...
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    Oh yeah, he did say R-22. But the point of my...

    Oh yeah, he did say R-22. But the point of my number was to write ANYTHING but zero for the suction, and to have low head pressure, caused counterintuitively by the restriction.
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    The tech who was trying to cover his a$$ with the...

    The tech who was trying to cover his a$$ with the 235/0 nonsense should have written something like 110/5.

    Granted, the 235/0 would seem more "sensible" to a HO, but I think the number I proposed...
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    I won't say your techs are incompetent. I will...

    I won't say your techs are incompetent. I will say that you hired them to fix your system and they failed. You can draw your own conclusions from that. But if you do wish to sue them, you might...
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    My only suggestion is to have the leak patched. ...

    My only suggestion is to have the leak patched.

    You could never expect a full refund for that TXV valve. If they went back to the supply house and tried to return the valve, saying "Well,...
  32. Texas Furnace Co. 80% 80,000btu/hr, with 2 1/2...

    Texas Furnace Co.

    80% 80,000btu/hr, with 2 1/2 ton AC.

    Oh wait...money is no object? Well, I'd still buy the same cheap system and spend my unlimited funds on something cool.
  33. Use your imagination, beenthere! What happened...

    Use your imagination, beenthere!

    What happened was, they used the furnace with propane and didn't change out the orfices or adjust the regulator.
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    Anytime you get a pressure reading like "235/0",...

    Anytime you get a pressure reading like "235/0", there's a REAL good chance that the blue hose wasn't depressing the shrader valve.

    To answer your question, I think that you most likely are...
  35. But seriously, if you want to find out how many...

    But seriously, if you want to find out how many watts your blower pulls -- and because this site is against DIY, I won't tell you ***exactly*** how-- I'll just say that there is some sort of magical...
  36. Damn it, dude! Don't you know that it's much...

    Damn it, dude! Don't you know that it's much more fun to speculate about theoretical possibilities than to just give out a 5 second fix???
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    That seems like a VERY bizzare code that would be...

    That seems like a VERY bizzare code that would be nearly impossible to enforce.

    How many building inspectors do you know who are capable of doing CFM analysis???:confused:
  38. Like Clover said, a perfect balance may be nearly...

    Like Clover said, a perfect balance may be nearly impossible. And 3 degrees isn't ***that*** much.

    My money would be on swapping one of the 6 inch runs with an 8, tinkering with the dampers, and...
  39. If that's what it takes to fix the problem (and I...

    If that's what it takes to fix the problem (and I guess it probably would). Then no, you wouldn't be crazy to ask for that.
  40. I've seen much worse. Maybe a vent from that...

    I've seen much worse. Maybe a vent from that room would help?
  41. open thy wallet.

    open thy wallet.
  42. Replies
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    Sorry if we busted your balls a bit, brother. ...

    Sorry if we busted your balls a bit, brother.

    I remember the first time I came across a furnace that used the ignitor for flame rectification.

    The burners would light for a couple of seconds,...
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    Lol. I know there's no DIY. But I just can't...

    Lol. I know there's no DIY. But I just can't resist giving a hint that NO DIYer and only a service man would understand. If there's no flame sensor, then how does this furnace do flame...
  44. Semper Fi, mac! Here's the irony: I was on...

    Semper Fi, mac!

    Here's the irony: I was on vicodin (similar to percocet) for a while. When I got OFF of those pills is when I got the "jimmy legs". For about four nights I had runny nose and...
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    OK, so I yanked the ecu out of my Jeep and...

    OK, so I yanked the ecu out of my Jeep and swapped with hers. When I turned the key on, guess what...The CEL comes on!!

    Woohoo, I've found the problem.

    I didn't actually crank it, because my...
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    This is true. A Honeywell SmartValve will often...

    This is true. A Honeywell SmartValve will often show 24v to the ignitor at the plug, but when you plug it into the valve...the voltage mysteriously disappears.
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    The two pins that are supposed to have power...

    The two pins that are supposed to have power (pins 3 & 9) have power.

    The two pins that are supposed to have ground (pins 11 & 12) have ground.

    Still no "check engine light" still no fire.
    ...
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    Sometimes I think you enjoy being the bearer of...

    Sometimes I think you enjoy being the bearer of bad news!

    Besides, there is a crucial flaw in your argument. My wife would never be caught dead at a grocery store. All of my hard earned dollars...
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    Oh, believe me, if it were MY car I wouldn't do...

    Oh, believe me, if it were MY car I wouldn't do it!!! :D:D:D

    For safety purposes, I could wire an in-line rollout switch from a furnace:)

    But seriously, I'll just hardwire it so see if it will...
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    OK, so I've found a chart that shows what...

    OK, so I've found a chart that shows what terminals to the ECU should have ground or power when the ignition is on. I'm hoping that one of the terminals that is SUPPOSED to have power or ground...
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