Manometer Loaner Program

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coaledsweat
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Post by coaledsweat » Tue. Sep. 30, 2008 1:10 pm

I don't use a permanent connection as you should zero the manometer before each use. You could simply drill a small hole in the stovepipe and use a very small hose barb if you want, the tapered pipe thread should pick up the thin sheet metal and seat well.


 
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Devil505
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Post by Devil505 » Tue. Sep. 30, 2008 1:50 pm

OK.......Here's a photo of the plastic tubing & the barbed fitting I assume is to be used to connect to the stove pipe. I have drilled a small hole in the elbow at the wall thimble. Do I just stick the barbed end of the brass fitting into the hole & somehow connect the tubing to it?? (intuitively it would appear that the tubing should slip onto the barbed end of the fitting & that the threaded (larger) end should go into the stove pipe....But I'd don't want to put that large a hole in the stove pipe)

This is where my Head Injury really gets in my way, so please accept my apologies for being dumb! :oops:

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coaledsweat
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Post by coaledsweat » Tue. Sep. 30, 2008 2:04 pm

Drill a hole just big enough to get the very end of the threaded end of the barb into it, then screw it in. The hose would go on the barbed portion.

 
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Devil505
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Post by Devil505 » Tue. Sep. 30, 2008 2:11 pm

coaledsweat wrote:Drill a hole just big enough to get the very end of the threaded end of the barb into it, then screw it in. The hose would go on the barbed portion.
That would be a pretty big hole! (about 5/16") How do I plug that hole when I'm done?
Also, there are 2 fittings & 2 hoses. Do I need both connected to the stove pipe? (2 huge holes?? :shock: )

BTW...For spending your time helping me on this.........you can claim me as a dependent on your taxes this year! :lol: :devil:

 
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Post by coaledsweat » Tue. Sep. 30, 2008 2:29 pm

You're only going to use one hose, the other is not relevent for what we are doing. Plugging the hole... you could use a pipe plug the same size as the hose barb has, more than likely 1/4" NPT, about $.25 @ the hardware store.

 
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Post by Devil505 » Tue. Sep. 30, 2008 2:33 pm

coaledsweat wrote:You're only going to use one hose, the other is not relevent for what we are doing.
Got it.

Which port do I connect the hose up to on the manometer...High or low pressure?

 
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Post by coaledsweat » Tue. Sep. 30, 2008 2:42 pm

Either one will give you a good reading, it just changes the direction the fluid travels from zero. Most of us use the plus scale (to the right) as it is defined better. If it goes to the left, simply change which port you are using at the top of the manometer. I'll look at mine when I get home and post which one it is as I forgot.
Oh yeah, make sure you have the same hose at each end, that siamese thingy can bite you. :D
The tubing is silicone, not plastic so it won't melt.


 
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Post by LsFarm » Tue. Sep. 30, 2008 3:08 pm

Or, you can use a piece of tubing, I used a piece of brake line, which is about 3/16" OD. Cut the flared ends off the tubing. Slip the supplied hose over one end of the tubing, put the other end through a screw hole in a flue pipe joint.. the other end of the hose to the manometer.. make sure the fluid is moving to the right side, with the expanded scale..

Greg L.

 
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Post by Rick 386 » Tue. Sep. 30, 2008 3:41 pm

Devil,

You are installing the fitting before the baro correct ??????

Rick

 
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Post by Devil505 » Tue. Sep. 30, 2008 3:45 pm

Rick 386 wrote:You are installing the fitting before the baro correct ??????
I have no baro any more. I'm very sheltered here & haven't used one for years. Taking Greg's advice & trying out the manometer to see if it (a baro) would be helpful to me.

 
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Post by Devil505 » Tue. Sep. 30, 2008 3:48 pm

Just got off the phone with Greg & two things:

1. manometer is all set up & functioning correctly! (Thanks Greg & coaledsweat!)

2. Greg is now voting a straight Democratic Ticket on 11/4! :lol: (except he is voting for Ron Paul for Pres.)

 
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Post by Matthaus » Tue. Sep. 30, 2008 3:54 pm

Nice to see you boys together playing nicely. :lol: :lol:

 
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Post by coalmeister » Tue. Sep. 30, 2008 10:45 pm

"Nice to see you boys playing together nicely". :lol: :lol:

HA HA! Good one :cheers:

 
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Post by Devil505 » Thu. Oct. 02, 2008 7:50 pm

OK...I've got the stove up & running & the manometer moved .03 (3 lines) but to the left? (Last night, Greg had me try getting a draft going with a hair dryer which moved the meter to about .02 but to the right. ) I know I can reverse the connection to the other port on the manometer & am thinking last night I may have gotten a "blowing across a coke bottle" effect & may have caused air to be drawn out of the stove pipe rather than in it.

Questions:
1.Does it make any difference which way the gauge moves? (left or right) as long as the fluid is still showing & not blown out of sight to left? (very little room on the left forf the fluid to move)
2. With a very light load (1/3rd full) & fairly warm outside (low 60's to mid 50's) I know the draft is not going to be real strong....so...does a reading of .03 on the manometer provide any useful info?

 
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Post by LsFarm » Thu. Oct. 02, 2008 7:58 pm

Hi Dick, remember, this is a 'Science experiment' no usefull information for at least several months of study !! :mad: :lol:

Just swap the hose to the other port on the meter so it reads on the right side of the meter,, this will give you a much larger, expanded scale to read the draft on..

Keep watching the readings. record the outside temp and the winds from the weather channel.. and we'll try to find out if you really have a steady draft or not.

Greg L

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