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  1. Replies
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    Have you noticed an increase in water volume in...

    Have you noticed an increase in water volume in the lower pressure system?
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    I always put a duplex basket strainer on the...

    I always put a duplex basket strainer on the suction side of the pump. They are big but hold a lot of crap before needing cleaned. With open cooling towers that is important. You can also clean them...
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    How does that work pageyjim? Is it an adapter you...

    How does that work pageyjim? Is it an adapter you hook to the vehicle and your computer?
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    You are dealing with the operating contractor. My...

    You are dealing with the operating contractor. My condolences.
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    I am leaning toward the AUTOPHIX 7710. Looks like...

    I am leaning toward the AUTOPHIX 7710. Looks like it will do most of what I'm thinking I need.
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    The van is running great now. A while back is...

    The van is running great now. A while back is started running really rough. The local parts store scanned it and gave me 4 things that could be wrong. One was the coil for cylinder number 7 and...
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    Draining back to a tank is normally done to...

    Draining back to a tank is normally done to prevent freezing of the Tower basin and outdoor piping. Those check valves should be changed to non-slam. The 1/32" screens are called start-up strainers...
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    If this is a large system you are better off...

    If this is a large system you are better off going with a dual basket strainer with the 1/8" holes in the strainer. Either way the 1/32" is too small.
  9. The water hammer was during start-up. They...

    The water hammer was during start-up. They changed the check valves immediately preventing it happening again. The control guy was doing his thing trying to finish the chiller room controls. It...
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    This site to me is one of the few places learning...

    This site to me is one of the few places learning is fun at least almost all the time. Digging into books for me isn't fun. Here you ask a question and get a link to a site without fumbling through a...
  11. Orion the only problem they had was the pipe...

    Orion the only problem they had was the pipe threw a lot of calcium silicate insulation all over the place. Other than that it scared the crap out of them. They sent a letter asking why I specified...
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    Good point Poodle!!

    Good point Poodle!!
  13. BBeerme the only thing worse than VAV'S with hot...

    BBeerme the only thing worse than VAV'S with hot water reheat is VAV'S with electric reheat. The discharge temperature of the VAV'S with hot water reheat should be at least 95 F. In the winter time...
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    BBeerme my dad always said he went to the school...

    BBeerme my dad always said he went to the school of hard knocks. He never claimed he graduated. That's the hardest school to graduate from on the planet. Does anyone ever graduate?

    There are a lot...
  15. Any of the flaws you mentioned CHOPS would be a...

    Any of the flaws you mentioned CHOPS would be a problem no matter how the loop(s) are controlled. Controlling with valve position I think is better used on smaller coils such as VAV's and FPB's. My...
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    Thanks I'll check this out. Sounds like one like...

    Thanks I'll check this out. Sounds like one like I want for my Ford van may be good enough at a reasonable price. All I want is something that will tell me what the likely problem is if the van runs...
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    I was wondering mainly if it makes sense to buy...

    I was wondering mainly if it makes sense to buy one for my van. The local parts store will hook up and tell me the codes but if the van will not start big problem.
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    Lahrs we all feel the way you do. Many times if I...

    Lahrs we all feel the way you do. Many times if I were to add to a post it would just be a repeat of a comment already made. I like to ask technical questions because every time there are responses...
  19. What I like about it is the constant optimum...

    What I like about it is the constant optimum operating pressure. Water balance of every coil is also unnecessary which means circuit setters are not needed. That all means payback. Excess water flow...
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    Automotive Problem Scanners

    When the scanners first came out I had one for fords. It gave me 10 or 12 possible problems on a van that was new and run perfectly. The present scanners appear to be a lot better. Does anyone know...
  21. jayguy your post about controlling pump speed...

    jayguy your post about controlling pump speed with control valve position has stuck in my mind. I was skeptical at first because my thought was if the control valve wasn't properly selected you would...
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    Thanks VTP99 but I have learned more here than...

    Thanks VTP99 but I have learned more here than any place since I got out of school. That was 1969 and this thread would have been great had it existed back then.
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    Welcome CoolGuy4987. A lot of threads here are...

    Welcome CoolGuy4987. A lot of threads here are not only fun to be part of but we share our knowledge. My input is a lot less than a lot of the others because I was never an installer and didn't work...
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    If you have them I would start with checking the...

    If you have them I would start with checking the automatic air bleeders. You can walk the pipe at the same time. Then go to the coils.
  25. Being retired has a lot of time advantages. The...

    Being retired has a lot of time advantages. The job went pretty smooth. The big stroke of luck was when I slide the tractor back together it lined up perfectly the first time. That was a relief and a...
  26. I was required to design jobs with similar scopes...

    I was required to design jobs with similar scopes dictated by the owners. On one job the owner wanted me to design a gas/air mixer for propane using 6 inch pipe. The 6 inch pipe exceeded the code...
  27. I actually got lucky. The bearing locked up but...

    I actually got lucky. The bearing locked up but when I put pressure on it from the bucket it let go but was real noisy. I was convinced the bearing was spinning in the transmission housing and...
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    This is a great site and you would think anyone...

    This is a great site and you would think anyone remotely involved with HVAC would want to join after looking at it. I looked at other sites before I found this one and none of them hold a candle.
  29. You chose to trouble shoot the problem instead of...

    You chose to trouble shoot the problem instead of changing every part you could think of. I did a lot of auto work for almost 50 years and that approach served me well. I quit around 2000 when you...
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    Good thoughts Cagey57. I never thought of your...

    Good thoughts Cagey57. I never thought of your third guess.
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    Do you have any idea why? At one point earlier it...

    Do you have any idea why? At one point earlier it was close to 100 to 1. Either way it seems to me a lot of these folks would join us.
  32. He did what I would have done with one minor...

    He did what I would have done with one minor exception. I don't think he was concerned with your or my opinion at the time. All he cares about now is getting it back in running condition.
    My...
  33. You are right pagey if I decided to replace the...

    You are right pagey if I decided to replace the timing chain I would have used NAPA parts. I wouldn't have done any of the other things you suggested unless I intended to fix the engine.
  34. For me if I opted for replacing the engine I...

    For me if I opted for replacing the engine I wouldn't care what happened. If I wanted to know the problem I would have run a compressed air test and found out. That test is definitive.

    It didn't...
  35. I never measured the amount of oil I put in for...

    I never measured the amount of oil I put in for wet compression checks. All you need is enough to seal the rings. Once Poodle found no compression on #5 there was no reason to waste time running more...
  36. Do you have VAV boxes or FPB boxes? VAV'S with...

    Do you have VAV boxes or FPB boxes? VAV'S with reheat do not bring in plenum air. FPB'S do. According to your description you have FPB'S that are not adding heat from the coils. They are bringing in...
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    Just Wondering

    Can't help but wonder why the guests visiting this site usually outnumber the members 100 to 1. Does anyone know the reason?
  38. It depends on where the head gasket blew out....

    It depends on where the head gasket blew out. Adjacent cylinder is possible but they can blow about anywhere. Most of the time you get water in the cylinder if they don't blow between the cylinders....
  39. I must have missed how you blew out the head...

    I must have missed how you blew out the head gasket Poodle. The wet compression check couldn't have done.
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    Mahomes passed for 734 yards in a loss to...

    Mahomes passed for 734 yards in a loss to Oklahoma when he was at Texas. That is the NCAA record. If the chiefs had of had a defense last year he would have went to the super bowl in his rookie year....
  41. Here is what she said. ...

    Here is what she said.

    https://youtu.be/7dzhIxeF204
  42. The problem is the owner can have the...

    The problem is the owner can have the modifications done any way they want as long as no codes are violated. If it at all possible don't touch the existing valve. When you bill them include a...
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    I think regardless of who you want to win you...

    I think regardless of who you want to win you will enjoy watching the Chiefs unbelievable quarterback.
  44. If you can't get a direct replacement go for the...

    If you can't get a direct replacement go for the 1000 L.
  45. You got that right BBeerme. :cheers:

    You got that right BBeerme.

    :cheers:
  46. A democrat was on the news this morning smirking...

    A democrat was on the news this morning smirking (the democrat smirk) and spouting off about how unfair the senate trial will be. It is ironic they are concerned with fairness. Their one sided...
  47. Nancy Described The Integrity of Democrats

    Nancy said "It's not a question of proof, It's a question of allegations". You liberals think about that. If we move into that arena and were neighbors all I would have to do would be call the cops...
  48. If you can measure the coil pressure drop with...

    If you can measure the coil pressure drop with the existing control valve wide open as close as possible to max flow you are good to go.
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    We are interested in the rookie stories also...

    We are interested in the rookie stories also BBeerme.
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    BBeerme your post makes a good point. There are...

    BBeerme your post makes a good point. There are other ways to learn beside college but those paths also take a lot of effort. Your post makes me wish I had ask the question a little better. Anyone...
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