Search: Posts Made By: BuffaloDIY
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Replies: 1
Views: 372
Posted By BuffaloDIY

Thinking about this a little more I wonder if...

Thinking about this a little more I wonder if replacing the 007 with a more powerful ecm pump like an Alpha2 would pay for itself with thermal and electric savings and get me a normal delta T.
Replies: 1
Views: 372
Posted By BuffaloDIY

High boiler delta t

My 10 year old boiler has a 36F temperature rise across the heat exchanger at 100% fire. This seems like it's on the high side. Not certain if it was this high when installed, but I doubt it. Maybe...
Replies: 9
Views: 561
Posted By BuffaloDIY

Spott, when you suggest adjusting the sensor...

Spott, when you suggest adjusting the sensor position, first, these are bolted into the cast Al front of the boiler, and aren't made to be adjusted. I could bend them, but bc they work for a couple...
Replies: 9
Views: 561
Posted By BuffaloDIY

Both contractors have used combustion testers,...

Both contractors have used combustion testers, and one made the mix a little richer than spec to see if that would solve the problem. It didn't. Any other ideas? Maybe a bad gas valve?
Replies: 9
Views: 561
Posted By BuffaloDIY

Flame sensors keep failing

I have a peerless purefire 110k boiler for my cast iron radiator + indirect dhw house. Since it was installed in 2011 it has gone through a lot of flame sensors. Recently, two sensors fail per year. ...
Replies: 14
Views: 1,167
Posted By BuffaloDIY

These gravity systems are as much art as science,...

These gravity systems are as much art as science, and so I would recommend operating as originally designed, with the attic radiation filled. Otherwise, you may have trouble getting the right...
Replies: 12
Views: 1,111
Posted By BuffaloDIY

Second what Spot said - get a good boiler guy to...

Second what Spot said - get a good boiler guy to look at this. I'm less concerned with the undersized near boiler piping, than that you seem to have fin tube in parallel with cast iron radiation. ...
Replies: 9
Views: 1,445
Posted By BuffaloDIY

Typically the issue you're trying to avoid is the...

Typically the issue you're trying to avoid is the smaller device having trouble getting a good draft because the chimney is sized for the larger device. So, DHW above might be a little better,...
Replies: 4
Views: 1,698
Posted By BuffaloDIY

Repair solder in boiler piping

See the attached pics, I have a bad solder in my 1-1/4" boiler piping between a valve and a spirovent. Been a while since I sweated pipe, and I don't have much experience with larger pipe. But I do...
08-12-14, 07:04 PM
Replies: 12
Views: 1,943
Posted By BuffaloDIY

Got it. Super helpful. Wishing good karma your...

Got it. Super helpful. Wishing good karma your way.
08-12-14, 04:54 AM
Replies: 12
Views: 1,943
Posted By BuffaloDIY

See my pic below for numbered call outs. I...

See my pic below for numbered call outs.

I want to make sure I understand. What you're saying is that vent #2 can't be used as the vent for the laundry, because for a short stretch it is the...
08-11-14, 04:29 PM
Replies: 12
Views: 1,943
Posted By BuffaloDIY

Why do I need to vent where the 2" pipe goes from...

Why do I need to vent where the 2" pipe goes from horizontal to vertical? The three inch stack and w.c. are vented below at the tee into a 3" vent, and in your drawing the washer and lav are both...
08-10-14, 09:07 PM
Replies: 12
Views: 1,943
Posted By BuffaloDIY

I updated the drawing. Does this venting for the...

I updated the drawing. Does this venting for the laundry and lav look ok now? Red is new piping, although I'll replace the lav drain with PVC. 36290

BTW, my vertical scale is stretched - this is...
08-04-14, 03:54 AM
Replies: 12
Views: 1,943
Posted By BuffaloDIY

Thanks. One question i have is would it be...

Thanks. One question i have is would it be better if the new vent were before the tee for the bath sink, instead of after it. I show it after.
08-03-14, 07:50 PM
Replies: 12
Views: 1,943
Posted By BuffaloDIY

Yes, with 1.75 GPM shower head.

Yes, with 1.75 GPM shower head.
08-03-14, 06:10 PM
Replies: 1
Views: 839
Posted By BuffaloDIY

I think this is the table you need: Natural Gas...

I think this is the table you need: Natural Gas - Pipe Sizing (http://www.engineeringtoolbox.com/natural-gas-pipe-sizing-d_826.html). Sounds like your sizing is adequate.
08-03-14, 09:36 AM
Replies: 6
Views: 9,181
Posted By BuffaloDIY

Thanks. Main panel is grounded both to a ground...

Thanks. Main panel is grounded both to a ground rod, and to an appropriate water line.

Regarding #2, my question was, once I remove the old main feeds, what is the correct way to cap these larger...
08-03-14, 09:22 AM
Replies: 12
Views: 1,943
Posted By BuffaloDIY

Add laundry drain to old piping

I want to add laundry to the room behind my 2nd floor bathroom. See the image below for what I'm thinking. Can't find my plumbing reference book, so I am wondering if the pipe sizing will be...
Replies: 8
Views: 1,150
Posted By BuffaloDIY

Regarding the design load calc, take it with a...

Regarding the design load calc, take it with a grain of salt, especially if you didn't run a blower door. Old houses especially can have wide variation in air infiltration which can have a big...
08-02-14, 08:52 AM
Replies: 6
Views: 9,181
Posted By BuffaloDIY

Also: 3) The two panels each has its own...

Also:

3) The two panels each has its own earth ground. Rather than connect the ground bars between the panels, as shown on the diagram, is it OK to just clamp together the two existing earth...
08-02-14, 08:41 AM
Replies: 6
Views: 9,181
Posted By BuffaloDIY

Converting main panel to sub panel

I am converting my two family home into single family. I want to change one of the two existing main panels into a sub panel. These are both newer Square D QO main panels, and the one that will...
Replies: 27
Views: 7,147
Posted By BuffaloDIY

Gilmore, I appreciate your comments, but I think...

Gilmore, I appreciate your comments, but I think things will vary depending on where you are at, and what the water is you are dealing with, and what kind of distribution piping you have. I often...
Replies: 27
Views: 7,147
Posted By BuffaloDIY

Boiler manufactures are putting requirements in...

Boiler manufactures are putting requirements in for water hardness (< 7 grains per gallon for Lockinvar, for example), and I'm not sure we should take it lightly. Acidity is maybe a bigger issue. ...
Replies: 3
Views: 1,251
Posted By BuffaloDIY

Good point - should have written Total Suspended...

Good point - should have written Total Suspended Solids (TSS), not TDS. he describes it as the 'mud' you see in old systems like this. The quote says "bag filtration system", and from talking to...
Replies: 3
Views: 1,251
Posted By BuffaloDIY

water treatment for HW boilers

A heating contractor I trust is recommending to me a filtration system for several new small commercial condensing hot water boilers (350K btw/hr each) powering a pair of 100 year old apartment...
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