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  1. Replies
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    Not sure how they did the heat loss. Just don't...

    Not sure how they did the heat loss. Just don't confuse a heat loss for measuring radiation. The amount of raidation has nothing to do with size of the boiler and heat loss.
  2. I find at altitude that a static pressure on LP...

    I find at altitude that a static pressure on LP of 13" w.c. is better. What is the O2 on high and low speed? Is the venting according to the manual?
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    A few tidbits. A boiler bypass is an...

    A few tidbits.

    A boiler bypass is an acceptable way to do boiler protection. It is not the best but a good way. But with a boiler bypass it will not change the return water temperature. A boiler...
  4. Just a few notes here. First off it looks like...

    Just a few notes here. First off it looks like the slide switch is standard not mode. That means no ODR function. The setting of 220 changes the curve when modulating the boiler water temperature...
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    Unless I misunderstood the 80 is working OK the...

    Unless I misunderstood the 80 is working OK the 105 is having a problem but the check valve on the 105 is in a different place. If this is correct, move the check valve on the 105 Since you already...
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    As far as boiler operating efficiency the most...

    As far as boiler operating efficiency the most efficient operation would be the modulating boiler. When the boiler is condensing you gain btu's from latent heat until the condensing mode is over. Now...
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    As everyone stated above the Milli-volt is no...

    As everyone stated above the Milli-volt is no longer available in boilers. You can still buy 24 volt standing pilot boilers. Manufacturers can build them until Sept 1, 2012.

    Badger good point...
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    The 0014 is actually on the secondary boiler...

    The 0014 is actually on the secondary boiler piping. The close spaced tee's are always on the primary and the branches are secondary.
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    I am not sure I understand the moving the pumps...

    I am not sure I understand the moving the pumps or maybe I misunderstand what you are saying. The manual calls for a 0014 or a 26-99 on the boiler secondary pipe pumping into the boiler. The 007...
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    Your looking at a minimum of 14 ft head. How is a...

    Your looking at a minimum of 14 ft head. How is a Taco 007 a good choice for this application? I believe it is primary/secondary but again it is hard to see from the picture.
  11. I would do one boiler and an indirect. The...

    I would do one boiler and an indirect. The indirect is far better insulated. This is probably the least expensive way to go also. Do your heat loss twice, one regular at design temp and one at 60f,...
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    As I stated it was hard to see the area of the...

    As I stated it was hard to see the area of the piping where the boiler tied in.
    You are right the drawing is right out of the Burnham manual. But as you read the manual somewhere around page 39...
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    A few issues I see right away is the IWH tank is...

    A few issues I see right away is the IWH tank is not properly piped. It should be 1" (if it is not now) and treated as another zone, not off the boiler piping. The Alpine 150 requires a flow of 11...
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    It would help if we could see pictures of the...

    It would help if we could see pictures of the installation. Is that possible?
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    You may want to consider the new MPO-IQ from...

    You may want to consider the new MPO-IQ from Burnham. It is also a three pass oil boiler which goes down a little lower on DOE output. The new IQ control will give you pre-purge which starts the...
  16. Either would be a good choice. The 50 gal...

    Either would be a good choice. The 50 gal indirect would work fine on the smaller boiler providing you do not want to re-fill the tank right after using the tub to use a second time. A smaller boiler...
  17. You really do not mention the insulation values...

    You really do not mention the insulation values of the first floor. A 1700 (basement usually has very little heat loss) sq ft home if insulated decent could very well be about 30k. The contractor is...
  18. Thread: New boiler issuse

    by tk03
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    There is a strainer in them can be blocked, other...

    There is a strainer in them can be blocked, other than that replace. Might try manually opening and sometimes they work after that due to flushing.
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    The standby loses on indirects are tested with no...

    The standby loses on indirects are tested with no thermal flow out of the tank. When most tanks are installed in the field they have no thermal trap so the standby loses are much higher. Most...
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    The Alpine requires p/s piping. The idea of most...

    The Alpine requires p/s piping. The idea of most mod/cons is to keep the flow rate up when the boiler modulates back. If the flow in the boiler slows it will kinda defeat the purpose. When modulating...
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    I would drop the fan speed another 500 rpm's and...

    I would drop the fan speed another 500 rpm's and see what that does for you.
    Let's review again what the ODR info is including the minimum water temperature.
  22. Did either of the contractors measure all the...

    Did either of the contractors measure all the radiation and determine the amount of sq ft of radiation you have? This is a very important step in a steam boiler replacement.
    Are the steam mains...
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    Your fan speed for the Alpine 150 with a 70k heat...

    Your fan speed for the Alpine 150 with a 70k heat loss should be turned down from 5500 to a starting point of 2800 rpm's and fine tune down from there.
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    Normally I use the higher number for modulation....

    Normally I use the higher number for modulation. The faster setting is going to react to turn down faster. The fan speed is as Dana stated start lower and work in the direction you need to.
    Remind...
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    Depends on the tanks and application as I stated...

    Depends on the tanks and application as I stated earlier. I personally would not use an aquastat. Check out boiler buddy. They have a pretty good website for buffer tanks.
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