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    The manual says the temperature sensing range is...

    The manual says the temperature sensing range is 42F to 95F. At 42 the thermistor should have a resistance of around 25K; at 77 it should measure 10K; at 95 it should measure about 5K. This is...
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    You can download the manual from the Monitor dot...

    You can download the manual from the Monitor dot com website.
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    This possibility was discussed in the Monitor...

    This possibility was discussed in the Monitor Heaters/External T-Stat for Monitor K-1 heater? thread a few years ago.
    I suggest you Google NTCLE100E3 for the spec sheet on Vishay's thermistors. On...
  4. There seem to be a lot more web stores selling...

    There seem to be a lot more web stores selling Monitor parts these days. It might even be cheaper to just buy the factory gasket than to buy material & cut it to size. Advance Repair Service...
  5. Found this on ebay 2893

    Found this on ebay
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    Bearing assemblies have an ABEC rating. A rating...

    Bearing assemblies have an ABEC rating. A rating of 1 is just average; 3 is better. Check out McMaster-Carr 6661K12 under Precision Ball Bearings.
  7. To answer your question, under normal...

    To answer your question, under normal circumstances, a properly wired switch will isolate a light fixture for troubleshooting. But you don't know exactly what you have here. Is any of the wiring...
  8. Thread: Spare Parts

    by adnadeau
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    Another possible source of Monitor parts:...

    Another possible source of Monitor parts: https://www dot pressherald dot com/media/gallery/ken-gaudin-monitor-man/
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    Here's a detailed explanation of the solenoid...

    Here's a detailed explanation of the solenoid pump operation.
    2891
    I had to zip it because of the forum file restrictions.
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    The pulse rate of the solenoid pump is controlled...

    The pulse rate of the solenoid pump is controlled by the microcomputer U1 through an optoisolator IC12 in the gate of SCR Q2. Not much you can do about it. The 50k pot VR adjusts the current...
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    There are several issues to consider here: air...

    There are several issues to consider here: air leaks, R-value, type of insulation. I believe the spray foam is probably the best insulation. I don't believe you can get it applied to less than the...
  12. Thread: E01

    by adnadeau
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    If you go back to an "E01" thread in Jan 2015...

    If you go back to an "E01" thread in Jan 2015 you'll see that one member found that the thermistor wire was shorted and caused E01 to come up. Try pulling the thermistor wire off the PWB and see...
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    There's a lot more involved in starting the...

    There's a lot more involved in starting the heater than just one module. If you search for the thread "422 Overheating" (Jan 2013) & look at post #10 (or maybe #13) by me, you'll find some Zip files...
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    You're on the right track, except +/-1.5% = 0.015...

    You're on the right track, except +/-1.5% = 0.015 x 4" = 0.06" wc. I suggest you look at instruments with a full scale deflection closer to what you are trying to measure. For instance, a Dyer...
  15. Thread: Well

    by adnadeau
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    Fluctuation is normal in a pump/tank/well system....

    Fluctuation is normal in a pump/tank/well system. There is a 20psi differential set in between pump-on & pump-off. Most pressure switches are set to 20/40 or 30/50 psi. I suggest you check out...
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    Why are you using the COST function of the...

    Why are you using the COST function of the killawatt? Mine measures amps, volts, watts etc. Max current is 15 amps.
    Yes, it looks like a heating element is involved. Try using the test cycle...
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    You need to measure the dimensions of one of the...

    You need to measure the dimensions of one of the switches. They can be 5 x 5 x 5mm or 6 x 6 x ?. You need to find some with the same pin spacing & the same height to the top of the button; length &...
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    The switches are known as tact (for tactile)...

    The switches are known as tact (for tactile) switches. If you can remove one you might find a manufacturer & part number. Google ENG_CD_2-1437565-2_P5.pdf for a drawing of a similar button. These...
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    You should be able to buy a pre-made tank...

    You should be able to buy a pre-made tank pigtail. It will have a POL fitting on the tank end and either a 3/8" or 1/2" mip on the regulator end. The tank end always has a POL. To make sure, check...
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    Mobile home gas water heaters are switchable...

    Mobile home gas water heaters are switchable between LP & natural gas. Residential gas heaters are usually only one or the other. If the mobile home will never be moved again, just get an...
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    I recommend you search on line for the L-545...

    I recommend you search on line for the L-545 Servicemans Manual or the LP Servicemans Handbook. These have all the info you need to plan & install an LP system. The 1st stage regulator drops tank...
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    finehomebuilding dot com has an article on...

    finehomebuilding dot com has an article on drywall butt joints: 'how-to/tips/invisible-drywall-butt-joints' I tried this when I built my house & it works quite well, but it takes a little time. ...
  23. I would start by tracing out the various cables...

    I would start by tracing out the various cables to see where they go. One, probably with the blue & white/blue wires, goes to the NID. The others go to various phones. The black plastic thing with...
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    Does your dehumidistat have a push button on the...

    Does your dehumidistat have a push button on the right that cycles through the various stages? If so, does the HRV work okay in those modes? That would tell you if it's the controller or the HRV. ...
  25. Why not make your own? The Monitor 41 & 441 both...

    Why not make your own? The Monitor 41 & 441 both use the same dampers. The E damper has a 30mm ID and the S damper has a 24mm ID (I just measured both of mine.) They're both marked "M41 xxxxxx,...
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