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Re: Online HVAC Certifications
> @SlamDunk said:Well, you have a point. But there are also doctors who just made C's. You don't want them working on you anymore than you want someone who squeaked by an HVAC/R certification process installing a steam system.
> If you are going to work on someone else's property, in someone else's home, you should fulfill all licensing requirements. It is a weeding out process and an opportunity to learn from experience simultaneously. Outside of that, you can learn as much as you want, anyway you want. You wont hurt anyone.
Thank you. I tend to agree with you. And yet most or all of the people who installed the systems (I’m referring to steam systems in particular) that time and time again we see here (and in my own house) that are substandard or even ridiculous— all those guys made it through the weeding process. So how good is it?
Re: Peerless 63 series "L" boilers
30 years or so ago you just turned it on and walked away.
Maybe adjust the air a little for the blue.
For the most part, gas pressure was assumed to be good.
Maybe adjust the air a little for the blue.
For the most part, gas pressure was assumed to be good.
Re: ATTENTION STEAM EXPERTS...what size pipe?
@JStar your correct, but because of the work involved, I probably won't run a 2inch I'll have to take a chance see how it works. If it doesn't I'll downsize that rad with an extra I have in storage. Getting older running low on funds after the addition. To be honest, I think it would be OK but I've been wrong before
Re: ATTENTION STEAM EXPERTS...what size pipe?
It's not how many extra rads it can handle, it's how much EDR. Did you request an over sized boiler?
As for pipe size, my book isn't in front of my, but I know 1" is too small for that much EDR, 1 1/4" I seem to recall is good for ~55 EDR, so you probably need to go to 1 1/2" for that much EDR.
Did you do the heat loss calculations for the rooms you are adding radiation to so they are sized appropriately? That's a fair amount of EDR, you say addition so I'm thinking modern construction insulation windows etc. That amount of EDR in modern construction would probably heat ~1000 sq ft of living space.
As for pipe size, my book isn't in front of my, but I know 1" is too small for that much EDR, 1 1/4" I seem to recall is good for ~55 EDR, so you probably need to go to 1 1/2" for that much EDR.
Did you do the heat loss calculations for the rooms you are adding radiation to so they are sized appropriately? That's a fair amount of EDR, you say addition so I'm thinking modern construction insulation windows etc. That amount of EDR in modern construction would probably heat ~1000 sq ft of living space.
Re: Peerless 63 series "L" boilers
Correct. Low fire is roughly 60% load. Combustion results have always been safe and efficient when I've done this.This is very interesting to me. I have an understanding that as you change the gas pressure delivered to an atmospheric burner's manifold, you change the combustion gases.
Since Peerless doesn't approve of this, they won't build it this way. You can do it on your own if you assume the liabilities.
I also have an understanding that things like two-stage gas valves exist and that some manufacturers don't approve. And they also don't approve of adjusting the firing rate.
They often say "3.5" period. But during boiler maintenance, doesn't the tech adjust the manifold pressure to minimize harmful gas production and to maximize efficient fuel burn?
Is it that those adjustments are very fine compared to down firing or the use of staging?
Is it one of those things that has gotten tightened over time due to increasing knowledge about CO risks, etc, and that in the past it wasn't considered a "big deal" to modify?
Re: Peerless 63 series "L" boilers
Sounds like another reason to prefer the 63-04 over the 63-04L. I probably won't be replacing my boiler for another five or ten years though. Plenty of time to change my mind. 
Thanks for the info.
Thanks for the info.
Re: Autumn Saturday radiator repipe
I suppose it's too late now, but did you ever consider a few double reducing tees (xx1/2) in your exposed riser.
Then chrome plated brass nipples to make towel holders?
There was some soft CP brass used in old plumbing for nice risers to leg tubs and ped sinks. Bendable for nice curving but still stiff enough to hold your towels or mittens.
This would impress your wife beyond belief.
My wife would love it but we don't have a second floor.
Then chrome plated brass nipples to make towel holders?
There was some soft CP brass used in old plumbing for nice risers to leg tubs and ped sinks. Bendable for nice curving but still stiff enough to hold your towels or mittens.
This would impress your wife beyond belief.
My wife would love it but we don't have a second floor.
Re: Help me figure out my 2 pipe system
Lol Brown loctite applies itself!!
Re: Water Hammer in Steam Heat System Throughout House (plus spitting radiator)
@ethicalpaul Ohhh. I was confused for the exact reason you point out. My brain couldn’t fathom measuring something I couldn’t see, so I found a point where I could! Thank you!
Re: Peerless 63 series "L" boilers
Weil Mclain has same thing. EG-30 and EG-35 for example are the same block with different burners. The drafthood is different. Relatively easy to swap.
