I cleaned out the boiler of ash, etc. and for some reason I found that the cement(?) that angles toward the nozzle is breraking off in huge chunks. What is going on? Is this still safe to use? Can I replace this? Do I NEED to replace this?
EKO problems
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stee6043
Minister of Fire
To answer your question I'd say that you probably should replace the refractory if there are "huge chunks" missing. The bottom of the fire leading towards the nozzle will be the hottest part. The cement is there to protect the plates below which are not designed to withstand the kind of temperatures the cement can withstand. So ultimately it's there for a very good reason and in my opinion should be replaced if compromised.
Pictures are attached.
Yes, this is the upper chamber looking down at the nozzle.
If I need to replace this part, how do I get it in the upper part of the furance and what is used to attach it to the rest of the cement.
And any ideas what caused it in the first place?
Yes, this is the upper chamber looking down at the nozzle.
If I need to replace this part, how do I get it in the upper part of the furance and what is used to attach it to the rest of the cement.
And any ideas what caused it in the first place?
Attachments
taxidermist
Minister of Fire
I would contact Zennon at newhorizon and ask him if it is covered under warranty. After he tells you no. LOL get some refractory cement and patch the spots.
Rob
Rob
mr.fixit
Feeling the Heat
Here's what I did to mine to try to extend the life of the nozzle. https://www.hearth.com/econtent/index.php/forums/viewthread/79536/
Although I didn't have huge chunks missing,my nozzle looked a bit worse than yours. About $12 in firebrick and another $10 for a diamond blade for the angle grinder and you're back in business. I didn't cement them in place or anything,cut them so they fit nice and gravity holds them in place. It lets everything expand and contract at their own pace.
On another note,and taking a cue from ewdudley,I played with the opening length of the nozzle by moving the two narrow pieces of new firebrick in a small amount. In effect adjustable btu output? Fan speed had to be adjusted but nice flame and reduced output which is ok for this time of year.
I believe the original nozzle is cast in place? Anyone else know? Don't know about curved pieces that surround the nozzle.
Although I didn't have huge chunks missing,my nozzle looked a bit worse than yours. About $12 in firebrick and another $10 for a diamond blade for the angle grinder and you're back in business. I didn't cement them in place or anything,cut them so they fit nice and gravity holds them in place. It lets everything expand and contract at their own pace.
On another note,and taking a cue from ewdudley,I played with the opening length of the nozzle by moving the two narrow pieces of new firebrick in a small amount. In effect adjustable btu output? Fan speed had to be adjusted but nice flame and reduced output which is ok for this time of year.
I believe the original nozzle is cast in place? Anyone else know? Don't know about curved pieces that surround the nozzle.
stee6043
Minister of Fire
taxidermist said:
+1. hah. I had a similar feeling after my draft inducer "experience" from New Horizon.
I like the idea you guys are using of laying fire brick over the existing nozzle. Seems like a pretty simple solution. Keep us updated on how that holds up over the season...
Fred61
Minister of Fire
Does anyone know if the nozzle can be purchased as a replacement part? It makes sense that it was originally cast in place since the secondary air tubes were protruding through it and into the refractory.
Fred61 Replacement nozzles were available a couple of years ago according to at least one thread I was reading (back then) so a search might give you the link.
Countryboy1966... Here are a couple of links that I found on ebay. If there is a pottery shop in your area you might find someone knowledgeable and in possesion of a smaller amount they would be willing to sell.
http://www.ebay.com/itm/130343614933?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649 http://www.ebay.com/itm/130343615133?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649e.
Countryboy1966... Here are a couple of links that I found on ebay. If there is a pottery shop in your area you might find someone knowledgeable and in possesion of a smaller amount they would be willing to sell.
http://www.ebay.com/itm/130343614933?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649 http://www.ebay.com/itm/130343615133?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649e.
taxidermist
Minister of Fire
Call this guy he will help you out.
http://www.michiganrefractory.com/?gclid=CM7L5JCsxasCFW8EQAodLE8oNQ
http://www.michiganrefractory.com/?gclid=CM7L5JCsxasCFW8EQAodLE8oNQ
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