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 1 
 on: November 24, 2021, 11:59:55 AM 
Started by oldchenowth - Last post by oldchenowth
I have a Wood Doctor 5000 that decided to lunch an overflow reservoir tank.  I thought I had a cracked weld or rusted through.  When I got it apart I found the plastic tank had pretty much exploded.  I think the hose on top broke and the tank froze, hence the plastic blew apart.

So if anyone might know where I can get a replacement, I would greatly appreciate it.  Not sure if my skills are up to welding and aluminum one that doesn't leak.

Thanks in advance.  feel free to contact me directly.  waverunner196@yahoo.com

Rich

 2 
 on: November 05, 2021, 05:35:38 AM 
Started by Walleye - Last post by WoodMOJoe
Thanks RSI, I should have thought of vinegar.

Cheap and readily available I will give it a try.   :thumbup:

 3 
 on: November 04, 2021, 10:19:11 PM 
Started by Walleye - Last post by RSI
I would throw the 10 plate away and get a 20 for starters.

Depending on what is in it, just vinegar might be all you need to use. It will require pumping it through though. Just dumping it in will never clean it out completely. When I have done it, I just pump out of a gallon jug of vinegar and put return hose into jug too. Run pump till it is as dark green as it will get and then swap out to a new jug. Keep doing it till it stays clear.

You should be able to do the same thing with stronger chemicals but need pump and hoses that are compatible.

 4 
 on: November 04, 2021, 09:33:19 AM 
Started by Walleye - Last post by WoodMOJoe
I literally just came here to ask the same question!

Our water is extremely hard and will plug up a 20 plate exchanger in 1 1/2 to 2 winters use.

I have the flush ports already on my plumbing.


 5 
 on: November 03, 2021, 11:38:23 AM 
Started by Walleye - Last post by Walleye
I have a 10 plate exchanger in my shop basically so I can have hot water to wash my hands in! Its fed with raw unsoftened water from my well so its pretty crappy water. In the past I have flushed CLR through it to clean it out with good results. Well now its almost completely plugged. IS there anything that would clean it better that wouldn't harm the exchanger? Its currently soaking with CLR so I'm hoping it will eventually break somewhat loose. 

 6 
 on: November 02, 2021, 06:32:55 PM 
Started by Hunt4heat - Last post by Hunt4heat
Only bad part is the controller/ screen that he let me use to test to see if it fixed it it's screened as bad, my original screen is still good. Can I put my good screen with the board that he gave me to make one complete good unit?

 7 
 on: November 02, 2021, 02:24:58 PM 
Started by Hunt4heat - Last post by Hunt4heat
Swapped controller screen out and everything works now! Thanks guys for your info, Matt

 8 
 on: November 02, 2021, 08:40:34 AM 
Started by Hunt4heat - Last post by Hunt4heat
My dealer will let me swap out my entire firestar 2 screen today to see if it fixes my problem ( just a large twist lock plug in to switch over to known good screen and fingers crossed!!!)
I'll post my findings later today or tomorrow...
Thanks Matt

 9 
 on: November 02, 2021, 08:34:33 AM 
Started by Hunt4heat - Last post by Hunt4heat
Ok, but your actual temp sensor was not bad correct?
Mine has continuity and 4 ohms( been electrician for 25 years)
Is my temperature sensor still good then?
Thanks Matt

 10 
 on: November 02, 2021, 06:39:46 AM 
Started by Hunt4heat - Last post by smithbr
Not just the screen - there are specific analog input circuits on the controller board that handle the TC inputs.  I'm an electronics tech; I know that they're most likely the damaged components, but without a schematic even I can't diagnose and repair the board.  So, I had to purchase an entire control module; comes with screen, etc.  But it's a dead-easy swapout.

North Star is our "local" (40 miles away) Central Boiler representative.  They had the unit on the shelf, so I was up and running 3 hours after visiting them to pick it up.  Since the weather wasn't terribly cold, they weren't about to drive it to me; I suspect if it had been -30, they might have; they were very helpful.

I didn't receive anything from you, but then I suspect I don't have email contact enabled in the user preferences.  Sorry about that.

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