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  1. Replies
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    Thank you, Watts law...

    Was at the made in China store yesterday at checkout. guy behind me pointed to a 12v "windshield defroster" and commented on it.

    He got it for one of his vehicles, but said it didn't work too...
  2. Replies
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    1,087

    pop ups- on an a/c unit.

    pop ups- on an a/c unit.
  3. Replies
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    2,965

    You can unscrew the cap off end of some...

    You can unscrew the cap off end of some circulators and see the end of shaft spinning
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    154

    I think the code requirements are involved enough...

    I think the code requirements are involved enough that running 3 individual ducts would be easier and more cost effective.

    If I recall, would need a spearate exhaust fan on duct, and interlocks on...
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    690

    ....and people with short arms.

    ....and people with short arms.
  6. Replies
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    2,068

    I keep plumber's grease in my tool bag- Pack it...

    I keep plumber's grease in my tool bag- Pack it in molex plugs to keep water out in downflow mobile home a/cs that sometimes drip.
    I read the label on my no-ox the other day. apparently the...
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    1,087

    had a building inspector look at a system and...

    had a building inspector look at a system and fail for no pop ups under an a/c unit, but missed the duct tape reducer on the oil furnace flue pipe.
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    650

    I was wondering how long it would take for...

    I was wondering how long it would take for someone to use the vac tube as a toilet.

    large (non-poo) objects are supposedly screened from the sewerage at the plant on a municipal system. would be...
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    4,113

    also, utility companies do test products. one...

    also, utility companies do test products. one study in va beach area showed that adding txvs to ten seers units reduced cooling bills by 20% on average.

    sporlan needs to up the txv hard sell here...
  10. Replies
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    2,068

    last few yrs I've put a small elec htr in van to...

    last few yrs I've put a small elec htr in van to keep above freezing inside.
    last time I used it, forgot to unplug the cord and drove 3 mi to work. cord came loose right at the driveway.
    now I...
  11. I've seen Trane manuals that for years stated min...

    I've seen Trane manuals that for years stated min 50-55 on heat setting. For the same reason as above posters- condensation.
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    890

    not a bad idea. they actually changed the layout...

    not a bad idea. they actually changed the layout of cabinets and lights/number of during const.
    there's also and extra circuit wired up in the kit ceiling for when they decide how another set of...
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    just curious, how does the nest get along w/ zone...

    just curious, how does the nest get along w/ zone system controllers?
  14. Replies
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    2,068

    I have a pull/pry bar (or wrecking bar is called)...

    I have a pull/pry bar (or wrecking bar is called) used for just that. also worked to jack up equipment and slide pads under or shims to level. or hammer pcs floor bd out holes I cut.

    I ground a...
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    1,459

    figured sex toy would be in this thread. ...

    figured sex toy would be in this thread.


    caught a live mouse in an a/h one time and tossed it outside.

    found a draft regulator (that came w/ the furnace new) behind the blower, on a 20 yr old...
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    735

    wouldn't the exhaust outlet be on the side and...

    wouldn't the exhaust outlet be on the side and not back of unit?
  17. do the boilers have an automatic damper in the...

    do the boilers have an automatic damper in the flue? if so, that could be issue. would require some tech to look @ and add relay to system.

    some boilers also kill power to tstat when the controls...
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    211

    unless there's ports on the motor to begin with,...

    unless there's ports on the motor to begin with, don't need to oil. could actually mess the thing up fooling w/it.

    the motor manufs say over oiling is bigger issue than not oiling. And I've seen...
  19. Thread: dirty hx

    by billygoat22
    Replies
    10
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    1,061

    It has a beckett burner, but I think not cleaning...

    It has a beckett burner, but I think not cleaning the hx, even on a tune up, is where the sclae came from. the soot, from the oil line cutting out the burner and multiple restarts. there's also some...
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    some of the fans were "fanimation" stuff....

    some of the fans were "fanimation" stuff. customer bought them and I put up.

    The gen contractor called the first one the scooby doo fan. after looking at it again I laughed, it does resemble the...
  21. Thread: dirty hx

    by billygoat22
    Replies
    10
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    1,061

    at least the bolts came out easy, see the...

    at least the bolts came out easy, see the anti-seize on bolt holes? had to grab baffles w/pliers and wiggle to break loose from trash
  22. Thread: dirty hx

    by billygoat22
    Replies
    10
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    1,061

    dirty hx

    had a call on a boiler that kept shutting down on primary control. removed full 5 gallon bucket of dirt, 2 gall bucket of dirt, changed filter in soot vac before done after much work w/dust pan...
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    696

    oil filter repair

    last yr had a job w/water in tank, got in pump and shut down furnace. was cold out so think water was frozen and would melt then run into line.

    made rack to remount filter and add water collector....
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    890

    some elec work.

    been working on some elec jobs this year. was pushed so much on time, didn't get pics until done. rough in pics would make more sense, but some of the fans they chose were pretty cool.
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    462

    new liquid line dryer standard for any comp...

    new liquid line dryer standard for any comp change, some manufs require original to be returned as part of warr work.

    Last few Tranes w/ acid, s/d in addition (piped in true suction line or in...
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    362

    The edges in lined duct should be "buttered"...

    The edges in lined duct should be "buttered" anyway to prevent erosion.
  27. Replies
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    462

    If he's replacing the comp, may have had a...

    If he's replacing the comp, may have had a burnout/acid contamination.

    this would require extra filtration added. some manufs require a suction line dryer in line going to comp to scavenge...
  28. Looks like a tcon 401 or 2 Trane tstat. The...

    Looks like a tcon 401 or 2 Trane tstat. The switchover temp is set in the installer menu of tstat. May want tech to ensure sensor outside is in good location to read properly.
  29. tightening up the envelope and adding insulation...

    tightening up the envelope and adding insulation is a good set up for when it comes time to replace system.

    Joe Lstiburek @ building science, home energy magazine, Teddybear on this site are good...
  30. some tstat have a max/min setting as well that...

    some tstat have a max/min setting as well that prevents temps from being set beyond that range.
    I've seen that fault stated in some of the troubleshooting section of owners manulas
  31. Not too sure on the modulating range, but the...

    Not too sure on the modulating range, but the comp would never go over the setting for the zone, regardless.
    interesting question, though. I haven't worked on the var speed comp units , yet
  32. I worked on a Lennox communicating zone system...

    I worked on a Lennox communicating zone system today.

    Has one communicating tstat as main, which can also control the other zones remotely via zone bd. Each zone sensor is nowhere as sophisticated...
  33. Replies
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    Never heard that term, but sounds about right. ...

    Never heard that term, but sounds about right.

    They few I've seen were basically 1970s/80s steel plate woodstoves w/ hole in top instead of back.

    I imagine the users felt a pc of chain or...
  34. Don't know about this brand, but some of the...

    Don't know about this brand, but some of the others can do a single communicating tstat, zone senors w/temp adjust, and run variable speed through the zone control to the furnace.

    ie- zone two...
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    the few wood inserts I've seen strike me as...

    the few wood inserts I've seen strike me as cleaning nightmares, they just had a hole in top and were sealed into the fireplace, so lots of creosote was inside the masonry firebox when the things...
  36. I think HVAC MARC likes to poo-poo PC.

    I think HVAC MARC likes to poo-poo PC.
  37. the dust on bulb won't affect tstat, the little...

    the dust on bulb won't affect tstat, the little spiral spring reads temp. also, did he mean the thermostat or the thermometer in the cover?

    new capacitor, yes.
  38. If it goes in defrost, would hear the comp...

    If it goes in defrost, would hear the comp running but not fan. some boards shut off all, then switch over modes, then restart comp to reduce noise.

    Trane uses demand defrost boards, and they can...
  39. Replies
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    3,193

    My mom had a filter queen, I would vacuum and...

    My mom had a filter queen, I would vacuum and suck up socks, lego blocks and change w/ it. had a cone shaped filter and you could recover stuff from canister when done. I remember it had an accessory...
  40. Replies
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    251

    Schladge makes a wireless electronic door lock...

    Schladge makes a wireless electronic door lock that monitors usage and can be programmed w/multiple codes as well.

    don't know if can be connected to other systems
  41. Replies
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    451

    don't they make "hot foot" caulk or little...

    don't they make "hot foot" caulk or little pricklers that pigeons don't like, to keep them off pipe. those things on edge of outlet wouldn't interfere w/ exhaust.
  42. personally, I like to duct seal the joints also,...

    personally, I like to duct seal the joints also, the tape won't last as long as duct seal will.
  43. if its a straight shot up, I wouldn't have an...

    if its a straight shot up, I wouldn't have an issue. only one ell and exhaust above roof where doors and windows not issue.
    The straight shot would be easy to pull a brush or rag through to clear...
  44. It may be he was told to go over and check for CO...

    It may be he was told to go over and check for CO in ducts, then start the furnace, anyway, regardless of the HX.
  45. Replies
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    That's rather eyeopening.

    That's rather eyeopening.
  46. Replies
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    3,420

    Sounds like if Nest's server were hacked, then...

    Sounds like if Nest's server were hacked, then the tstat could be an access point to a users computer that has the wireless router? or some variation?

    I have to agree on the 3rd party thing, would...
  47. Replies
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    1,768

    I think it was on a Miller oil furnace for...

    I think it was on a Miller oil furnace for manufactured home. was about 5-6 yr old.

    cottage style unit, not concentric roof jack.
  48. Replies
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    Maybe the manufs should use a switch I saw on one...

    Maybe the manufs should use a switch I saw on one furnace- you pull out on it and locks the switch on, put the door on/push in and it automatically reverts to its normal function. no tape, magnets,...
  49. now that it comes up, the only ones I had w/ mice...

    now that it comes up, the only ones I had w/ mice were flat terminations...thus the sheet metal recommendation, since both were brick walls and mice could climb brick.
  50. Tstats should have red/blue like on car. the...

    Tstats should have red/blue like on car. the number is just a number, set it where you're comfortable.

    No tech wants a call that the tstat reads different from whatever you used to check the...
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