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Type: Posts; User: jzw

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    Thanks all for the information. Negative pressure...

    Thanks all for the information. Negative pressure is the key. That's why the more the rise, the more lateral distance it can go. Really appreciate the advice. By the way, I am here to find help and...
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    Let me just play the devil's advocate a bit here....

    Let me just play the devil's advocate a bit here. My current venting configuration is type b double walled pipe going up 3 feet at about 70 degree angle (or more. It's pretty close to a vertical...
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    Can someone give me a definitive definition on...

    Can someone give me a definitive definition on "Standard atmospheric Category I". That's what i saw in the unit specs. And i want to use that to convince the contractor.
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    independent plumber. actually he's a general...

    independent plumber. actually he's a general contractor who has a plumber. but the plumber wasn't available so he did the work himself. i am pushing for a permit now so that the inspector will tell...
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    It is a catagory one requiring a b-vent (based on...

    It is a catagory one requiring a b-vent (based on the manual for rheem XR29). he did put in a b-vent the second time around. I can see the label on the pipe. question is how bad that it is now...
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    Is it a correct installation?

    Hi, i had a contractor coming out to install a water heater for me last week. I had a ao smith power vent in the basement before. He was supposed to get a power vent. But instead he was talked into...
  7. No. But I want to understand it as much as I can.

    No. But I want to understand it as much as I can.
  8. Sorry, wasn't clear. For question 1, i meant the...

    Sorry, wasn't clear. For question 1, i meant the orange color thing didn't go on for long, just about 20, 30 seconds. Then i coulnd't see anything anymore in the sight class. It actually looked very...
  9. I am having a similar issue here. I saw orange...

    I am having a similar issue here. I saw orange color liquid flowing thru the sight glass. I guess it means the same as yellow? I have two questions. One is that it actually didn't last long. So does...
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    oh, also on the sight class, it says something...

    oh, also on the sight class, it says something like "Wet, Dry, Parker," and one more thing along the edge of the sigh class. It seems it should use different color to mean different states. I don't...
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    Thanks! I didn't notce bubbles but did see a...

    Thanks! I didn't notce bubbles but did see a surge of flow of the orange liquid (almost a a wave). Then things quieted down pretty quickly and the see thru gauge looked pretty much nothing going on....
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    how to check freon level?

    Hi there,

    Last week, it seemed there was an issue with our central AC unit. The temp. in the room was constantly 80 degrees. The in the outside unit was running, but i didn't hear compressor...
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