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16
Plumbing / Re: water to water HX confusion
« on: November 18, 2013, 06:32:50 AM »
OK, I thought that was what the average was.
Thank you for the confirmation.
Thank you for the confirmation.
17
Plumbing / Re: water to water HX confusion
« on: November 18, 2013, 04:51:20 AM »
Well, I did it.
Fire in the furnace and no leaks!!!!! Hot domestic water. Now to tie into exixting boiler.
When the HX is "working" what would be the maximum temperature drop that one should see? Just getting an idea if I need to bump up the speed of my pump.
Thanks, this forum has been a GREAT help!
Mike
Fire in the furnace and no leaks!!!!! Hot domestic water. Now to tie into exixting boiler.
When the HX is "working" what would be the maximum temperature drop that one should see? Just getting an idea if I need to bump up the speed of my pump.
Thanks, this forum has been a GREAT help!
Mike
18
Plumbing / Re: water to water HX confusion
« on: November 14, 2013, 06:33:38 AM »
I have been thinking about what Jim was saying about having an issue if/when the power goes out and having heat/pressure build up in my boiler.
Could a soultion be a zone valve that(which one normally open or normally closed???) would open when the power goes out. Is there such a beast?
I feel this has merit because my trunk line comes out of the top of the boiler before it goes into my PexalPex. I have a T there already for future expansions, and hotwater will circulate without power. Ill just put in a section of finned radiator in a loop before it returns to the bottom of the boiler.
Thoughts?? or am i off my rocker?
Could a soultion be a zone valve that(which one normally open or normally closed???) would open when the power goes out. Is there such a beast?
I feel this has merit because my trunk line comes out of the top of the boiler before it goes into my PexalPex. I have a T there already for future expansions, and hotwater will circulate without power. Ill just put in a section of finned radiator in a loop before it returns to the bottom of the boiler.
Thoughts?? or am i off my rocker?
19
Plumbing / Re: water to water HX confusion
« on: November 12, 2013, 06:04:47 AM »
Yes, I understand about the counter flow. learned about it from on here, and people having issues.
Hope I can plumb them both tonight after work and hopefully running by the weekend.
I'll keep everyone posted
thanks again
Mike
Hope I can plumb them both tonight after work and hopefully running by the weekend.
I'll keep everyone posted
thanks again
Mike
20
Plumbing / Re: water to water HX confusion
« on: November 12, 2013, 05:25:03 AM »
ok, soooooo plumbing these HX's in series would go like this: Supply line into DHW HX port 1 out of port 2 then into oil boiler HX port 1 out port 2 then straight shot back to my wood boiler, is this correct?
Mike
Mike
21
Plumbing / Re: water to water HX confusion
« on: November 11, 2013, 11:46:10 AM »
I must be a little thick. I did a little sketch but i'm not allowed to attach it. dang IT
Could you possible do a little sketch or picture?
Thanks
Mike
Could you possible do a little sketch or picture?
Thanks
Mike
22
Plumbing / Re: water to water HX confusion
« on: November 11, 2013, 10:44:27 AM »
just had a thought, i may be over thinking this but here goes: When plumbing my HX i need to have the flow of water enter 1 bottom port exit 1 top port before traveling onto the next HX, correct, I just cant T into the first HX for the feed and return correct?
Mike
Mike
23
Plumbing / Re: water to water HX confusion
« on: November 11, 2013, 09:05:22 AM »
I know there is a CHANCE that something could go wrong, been around coal/wood boilers for my whole life of 42 years on the farm and I can remember when the power would go out we would have to close the furnace up tight so it wouldnt draw a draft and then the pop off would go off and make a mess of things.
So the whole idea of a pressurized system is not new to me.
I have tried to plan for most of the situations that might happen because me and Murphy are best friends lol
Mike
So the whole idea of a pressurized system is not new to me.
I have tried to plan for most of the situations that might happen because me and Murphy are best friends lol
Mike
24
Plumbing / Re: water to water HX confusion
« on: November 11, 2013, 08:37:57 AM »
Yes, expansion tank is in place and pop off works, we verivied that when we pressurized the furnace before i bought it.
In the future I plan on pouring a pad in half of my pole barn and adding heat to the floor, so that will be my dump zone. For right now I may look into some sort of option to put on that trunk line to get rid of excess heat if need be.
Mike
In the future I plan on pouring a pad in half of my pole barn and adding heat to the floor, so that will be my dump zone. For right now I may look into some sort of option to put on that trunk line to get rid of excess heat if need be.
Mike
25
Plumbing / Re: water to water HX confusion
« on: November 11, 2013, 07:32:29 AM »
Well sorry to say too late, lol.
Hey, if for not anything else i'll be the example of what not to do, unfortunately this is what I have to work with and would appreciate any help with my original question in dealing with the heat exchangers.
Mike
Hey, if for not anything else i'll be the example of what not to do, unfortunately this is what I have to work with and would appreciate any help with my original question in dealing with the heat exchangers.
Mike
26
Plumbing / Re: water to water HX confusion
« on: November 11, 2013, 06:30:25 AM »
As of right now I only plan to run the furnace on wood(large supply of locust).
This furnace uses a draft blower to add air to be able to burn, no power no draft no burn....no problem? I do have a back up genset that is wired in.
This furnace uses a draft blower to add air to be able to burn, no power no draft no burn....no problem? I do have a back up genset that is wired in.
27
Plumbing / water to water HX confusion
« on: November 11, 2013, 05:53:54 AM »
Ok, little history first.
I built a room onto my pole barn that I put a pressurized Royall 6150 wood/coal boiler into( it has a 35 gal capacity and is rated at 150k BTU). I ran 1" PexalPex with a gundfos 26-99 3 speed pump pushing the water 120' basically level to where it enters the basement. The electric HW heater is located first then the oil boiler second.
I have a 50 plate to hook into my existing oil boiler and a 20 plate for my domestic HW. The HX are 1" MPT.
Ive read and read and read. I like WillieG's idea of a header system for the 2 exchangers, but since I only have 2
"appliances" (and no need to have any more) would it be worth that?
If i go series why would I want the DHW to be first, other than that it is located before the oil boiler?
Thanks for the help.
Getting cold in west central Pa
Mike
I built a room onto my pole barn that I put a pressurized Royall 6150 wood/coal boiler into( it has a 35 gal capacity and is rated at 150k BTU). I ran 1" PexalPex with a gundfos 26-99 3 speed pump pushing the water 120' basically level to where it enters the basement. The electric HW heater is located first then the oil boiler second.
I have a 50 plate to hook into my existing oil boiler and a 20 plate for my domestic HW. The HX are 1" MPT.
Ive read and read and read. I like WillieG's idea of a header system for the 2 exchangers, but since I only have 2
"appliances" (and no need to have any more) would it be worth that?
If i go series why would I want the DHW to be first, other than that it is located before the oil boiler?
Thanks for the help.
Getting cold in west central Pa
Mike
28
Plumbing / Re: Fittings........confusion????
« on: July 09, 2013, 10:49:35 AM »
RSI, another question for you: your 1" barbed elbows can those be used on pex-al-pex, and then clamped with the stainless band clamp??
Thanks
Thanks
29
Plumbing / Re: Fittings........confusion????
« on: July 09, 2013, 04:15:30 AM »
Scott, yes it is pressurized.
RSI, The fittings you have, how do they attach to the pex? compression, Sharkbite, crimp? IIRC my buddy has the crimper that will do the bands on Pex-al-Pex, but I cant find the barbed fittings(or whatever are used with the crimped bands on the pex-al-pex) that specifically say they are for Pex-al-Pex.
Thanks for the help.
Mike
RSI, The fittings you have, how do they attach to the pex? compression, Sharkbite, crimp? IIRC my buddy has the crimper that will do the bands on Pex-al-Pex, but I cant find the barbed fittings(or whatever are used with the crimped bands on the pex-al-pex) that specifically say they are for Pex-al-Pex.
Thanks for the help.
Mike
30
Plumbing / Fittings........confusion????
« on: July 08, 2013, 11:40:32 AM »
Im getting ready to order all my stuff to FINALLY get my furnace in my room that I'm building on the ousdide of my polebarn. I will be going about 125ft underground and I am going with the 3 wrap in the tile PLUS i scored some 6" black HEAVY wall ABS that I will then put it in.
It is a pressurized system and i will be using a 50plate HX to heat my existing oil boiler and then a 20 to heat my DHW. I am using Pex-al-Pex for my run into the house. I am leaning towards making up some copper connections to the HX's along with y-strainers and full port valves.
Now the 100 million $$$ question: What fittings will go from Pex-al-Pex to copper, is there one? Am i going to have a cluster of adapters to go to/from pipe and then go to compression fittings?
Thanks for the help........my head is starting to hurt(or am i just over analyzing this???)
Mike
It is a pressurized system and i will be using a 50plate HX to heat my existing oil boiler and then a 20 to heat my DHW. I am using Pex-al-Pex for my run into the house. I am leaning towards making up some copper connections to the HX's along with y-strainers and full port valves.
Now the 100 million $$$ question: What fittings will go from Pex-al-Pex to copper, is there one? Am i going to have a cluster of adapters to go to/from pipe and then go to compression fittings?
Thanks for the help........my head is starting to hurt(or am i just over analyzing this???)
Mike