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  1. Replies
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    YKK makes a lot of different grades of zippers. ...

    YKK makes a lot of different grades of zippers. Veto does not appear to be using the highest quality one, although they have no qualms about having the highest priced bags. They should rethink...
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    NOVA 820 SIT VALVE

    I am curious about the combustion chamber compensation port on the bottom of these valves. 0820637 Since fireplaces don't have a combustion chamber, are there some brands of heaters where they are...
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    2,054

    You either have a hot water boiler or a steam...

    You either have a hot water boiler or a steam boiler not both. There is no such thing. Steam boilers do not have circulator pumps. A hot water boiler should never operate at a temperature that...
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    RESIDENTIAL Life cycle/expectancy

    Can anyone direct me to a page or chart from a reputable source for finding the average life expectancy of split systems, furnaces, boilers, and heat pumps? I just need something simple for...
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    I don't know if its standard everywhere, but here...

    I don't know if its standard everywhere, but here the meters have an 1/8" pipe plug about 1" above the union on the outlet line. The regulator is ahead of the meter. The gas co. here has no problem...
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    There should be little change of pressure at the...

    There should be little change of pressure at the meter/pressure regulator unless it is overloaded or defective. Most regulators here only fluctuate about .5" under a load. Are you reading the...
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    Yeah, these big companies get this stuff approved...

    Yeah, these big companies get this stuff approved and then we find out years later it is unsafe. Kind of like aluminum wiring. Makes me not want to put my sticker on jobs for fear I'll get blamed...
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    Lightning risk for flex gas lines?

    Has anyone heard of this problem with flexible ss gas lines? I always hard-pipe gas lines, but have seen a lot of these on water heaters.
    ...
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    1,611

    They have a MicroBlue coated fins for better...

    They have a MicroBlue coated fins for better water drainage, I don't know if it prevents formicary corrosion, that is the big problem now. I would like to hear from someone who has been using them....
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    1,791

    Any restriction or blockage in system would give...

    Any restriction or blockage in system would give low suction. I'm not sure what you mean by "efficiency test", but if you closed a valve like the suction service valve or even a receiver outlet valve...
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    Poll: Thanks, never did.

    Thanks, never did.
  12. Replies
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    9,430

    Poll: I don't have the energy to read all 136 posts,...

    I don't have the energy to read all 136 posts, can anyone give me a condensed version of the answers :-)
  13. Replies
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    1,611

    I've only seen s.s. in laboratory equipment. The...

    I've only seen s.s. in laboratory equipment. The tin plated copper or all aluminum is supposed to prevent the formicary corrosion problem.
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    A big contractor here in town has used Staybrite...

    A big contractor here in town has used Staybrite for years, I have many of his customers after the food acids eat holes in it and they lose all their product. It is a low temp brazing material about...
  15. Thanks for the link Mark, I have been watching...

    Thanks for the link Mark, I have been watching threads about increasing failure rates on coils and felt it was due to the manufacturers' design. Now I can see where there are other causes that are...
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    LOL You must have ESP and ESPN :)

    LOL You must have ESP and ESPN :)
  17. Replies
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    3,393

    Thanks guys, I knew the conversion, I just didn't...

    Thanks guys, I knew the conversion, I just didn't read his statement carefully enough:o Very nice sensors though, I wish I'd heard about them a few years ago.
  18. Replies
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    [QUOTE=chillerfreak;1819968]variable primary flow...

    [QUOTE=chillerfreak;1819968]variable primary flow is what is replacing constant primary/variable secondary systems. cost savings....one less pump and less piping as well as energy savings on reduced...
  19. Thread: Walk in freezer

    by ZZZRSC
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    1,434

    I haven't done much refigeration in years but I...

    I haven't done much refigeration in years but I am pretty sure taking the cap off the cpr valve shouldn't make a difference in pressures. Also it should be set at the highest pressure the compressor...
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    I guess I don't understand the system, aren't you...

    I guess I don't understand the system, aren't you concerned the gpm's are so far away from design? Is this a variable speed chiller?
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    I worked at a facility that had a a similar...

    I worked at a facility that had a a similar problem about 6 years ago and the Trane tech came up with the same solution. I can't remember if it was on a RTAA, but we did replace one about that time....
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    I am thinking you are right about different...

    I am thinking you are right about different ground potentials, and that is why the shields are only connected at one end to prevent ground loop currents. Were the shields completely isolated from...
  23. Replies
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    5,571

    My customer isn't my boss. He is just someone...

    My customer isn't my boss. He is just someone wanting a service. Some are honest, some are theives, some are just plain ignorant. It's my job to sort them out and keep the good ones.
    Bad...
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    I believe R-22 will be around many years in it's...

    I believe R-22 will be around many years in it's modified version as sold by Icor as Nu-22 and Dupont as MO59?. There is a facility here in town with a dozen R-22 units less than 10 years old and...
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    Get a second opinion and pricing. Did he say the...

    Get a second opinion and pricing. Did he say the compressor was shot? The compressor could have serious damage,or not, running all day w/o refrig. What kind of warranty is in effect on this one...
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    I agree, I've seen them transmit a lot of...

    I agree, I've seen them transmit a lot of vibration. What would you recommend instead?
  27. Thread: from the park

    by ZZZRSC
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    For a minute there I thought they found Jimmie...

    For a minute there I thought they found Jimmie Hoffa:D
  28. Replies
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    There's a dorm here at a local university that...

    There's a dorm here at a local university that had it's own maint. dept. They decided to cancel service calls to Trane because of the expense. One of the 200 ton recip. chillers started having high...
  29. Replies
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    "if you get you a good doberman shepard you wont...

    "if you get you a good doberman shepard you wont have these problems "

    I prefer a German Pincher myself.:rolleyes:
  30. Replies
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    Safeties??? They needed something like that big...

    Safeties??? They needed something like that big red button they have at nuclear power plants for core meltdowns:D
  31. Replies
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    Nec 250.118(6)

    Liquidtight flexible metal conduit is approved (generally meaning safe & legal) without a grounding conductor, for use under the following conditions:
    1. The conduit is terminated in fittings...
  32. Replies
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    3,726

    I think we are that way because we have had to go...

    I think we are that way because we have had to go repair these systems and tell the HO that it is all screwed up and needs replaced. That is not always a pleasant experience, especially if the HO is...
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    If you are talking about a permanent addition of...

    If you are talking about a permanent addition of glycol read and understand Yipikia's post. If you are talking about adding it just for winter I would follow hvacconsultant's suggestions, especially...
  34. Did you use a battery powered stat?

    Did you use a battery powered stat?
  35. Replies
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    I give it 72 hours, Is there any money in this...

    I give it 72 hours, Is there any money in this pool?:D
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    Lol:d

    Lol:d
  37. Thread: Torque Wrench

    by ZZZRSC
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    801

    That will work, but they are not famous for their...

    That will work, but they are not famous for their accuracy.
  38. Replies
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    I'm pretty chary most of the time :rolleyes:

    I'm pretty chary most of the time :rolleyes:
  39. Thread: Repeaters

    by ZZZRSC
    Replies
    8
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    674

    I was just thinking of someone I knew who didn't...

    I was just thinking of someone I knew who didn't learn no matter how many times I told him something :D
  40. Thread: Repeaters

    by ZZZRSC
    Replies
    8
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    674

    Not some of the people I've worked with:mad:

    Not some of the people I've worked with:mad:
  41. Replies
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    There might be a problem with 410A since the...

    There might be a problem with 410A since the pressure will exceed the gauge and hose limits(500 psi) at higher temperatures(135*), other than that you can use an R-12 set for most anything with the...
  42. Replies
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    564

    Yes I have had tape failed for no label.

    Yes I have had tape failed for no label.
  43. Replies
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    4,156

    Dig a trench 2-3 feet deep (6" deeper than the...

    Dig a trench 2-3 feet deep (6" deeper than the bottom of the duct) around the perimeter and install a perforated 4" drainage pipe with a sock filter around it to to keep sediment out of the pipe. ...
  44. Replies
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    Unless you can accurately measure .005 of an...

    Unless you can accurately measure .005 of an ounce forget it or you will soon be ordering compressors. Get Sporlan or other brand with 20' caps. I am not familiar with that machine, but in 30 years...
  45. Replies
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    3,394

    The flame thrower could be very useful to keep...

    The flame thrower could be very useful to keep theives away from the copper coils:D
  46. Replies
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    5,406

    The county does that here also. I think they see...

    The county does that here also. I think they see the higher eff. as the main benefit as they also help pay these peoples' utility bills.
  47. I have seen several all electric homes with a...

    I have seen several all electric homes with a bill around this amount. That doesn't mean you shouldn't investigate for causes. One new home in a gated community that I checked had 3" of insulation...
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    We had a contract with an unamed company whose...

    We had a contract with an unamed company whose initials are JCI to change out most of our old controls. Their best panel didn't look that good. All the old panels were "abandoned in place" and...
  49. Replies
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    5,406

    "Just push that there little button when your...

    "Just push that there little button when your furnace quits." It was a tough furnace.
  50. Replies
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    They should have use more teflon tape:)

    They should have use more teflon tape:)
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