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  1. Replies
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    814

    Bearing assemblies have an ABEC rating. A rating...

    Bearing assemblies have an ABEC rating. A rating of 1 is just average; 3 is better. Check out McMaster-Carr 6661K12 under Precision Ball Bearings.
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    814

    Lots of info on the site. The thread titled...

    Lots of info on the site. The thread titled "Monitor 441 Heater" post # 335 by Adnadeau has a great picture break down of the 441 motor and blower assy. Get good bearings if you overhaul the motor....
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    293

    Laser 560 no longer made

    Early this year Toyotomi announced the Laser 560 will no longer be produced. They stated the Laser 560 was only made in the USA and dies for manufacturing had to be replaced which was too expensive....
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    5,816

    UPDATE: 4 Years Later Just about $300 shipped...

    UPDATE: 4 Years Later

    Just about $300 shipped now, but still cheaper then a new $1800 toyo !
  5. I have installed many Toyostove heaters. Very,...

    I have installed many Toyostove heaters. Very, very, very seldom is there a problem with a Toyo right out of the box. If there is, it is usually an installation problem.

    Whoever told you a Laser...
  6. I just pulled a Toyo 530 out of my garage I just...

    I just pulled a Toyo 530 out of my garage I just paid $1750 for, had 3 weeks on it. STUNK! put in a 422 I got for free and rebuilt. ZERO Smell.

    Toyotomi said I purchased too big of a heater so...
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    3,889

    I cleaned that sump out about a year or two ago. ...

    I cleaned that sump out about a year or two ago. There was lint and water in it at the time that had accumulated over the years but I think I got it cleaned pretty good. I have 4 capsule tanks that...
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    You have stated in the past you use the capsule...

    You have stated in the past you use the capsule tank. Since you have had to service the constant level valve, I think you need to look at the fuel sump that is under the capsule tank. The sump has a...
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    3,889

    Those rings aren't made of stainless. Any wire...

    Those rings aren't made of stainless. Any wire welder should do the job just be careful welding it or you might burn a hole through the thin sheet metal. Getting mine welded and grinding down the...
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    3,889

    If that pickup point was dirty there might be...

    If that pickup point was dirty there might be more dirt in the sump. Just by pulling the drain screw all the way out will get most of it out. And then clean the filter. I usualy pull the whole...
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    The other thing you can do to extend the time...

    The other thing you can do to extend the time between overhaul is to cut off the last bend of the flame sensor. That's the last bend that makes the sensor go straight down. That little bit removed...
  12. I too was just getting ready to suggest checking...

    I too was just getting ready to suggest checking the heat exchanger for the possibility of cracks. I'd also double check the o-rings at the flue to be sure they haven't been damaged and leaking...
  13. I have seen cracks in a M422 heat exchanger but I...

    I have seen cracks in a M422 heat exchanger but I think that was due to an over heat situtation. You can also find corrosion at the very bottom of the exchanger sometimes due to moist conditions.
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    8,545

    In the last years of my stove business I would...

    In the last years of my stove business I would use burner mat cement to make the seam on the M422 burner ring smooth. I did have some success with that idea. The rings would last for quit a while...
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    8,545

    I just had them leave the existing welds where...

    I just had them leave the existing welds where the dome of the flame ring is welded to the bottom portion of the ring and had them continue the weld from one weld to the next until the dome was...
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    8,545

    I am interested on how you had the ring welded....

    I am interested on how you had the ring welded. Did you remove any material or add any?
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    8,545

    I just put this heater back in service 1/17/19...

    I just put this heater back in service 1/17/19 with a new mat and having the flame ring welded all the way around. The heater had been out of service for the last year since I installed the new mat....
  18. Replies
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    Success, I put the heater back in a few minutes...

    Success, I put the heater back in a few minutes ago. The first attempt it didn't start up so I thought I still had a problem. Checked everything out and found I'd forgot to plug the wires back on...
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    3,889

    I haven't tested it yet but I think I found out...

    I haven't tested it yet but I think I found out what was wrong. I pulled the pump out of the constant level control valve and when I turned it upside down the filter on the bottom of the pump was...
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    Thanks Tom. I've got both an extra pump and...

    Thanks Tom. I've got both an extra pump and motherboard so I should be able to figure this out with a little work/time with no additional expense. Both of those parts are used. The pump was given...
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    3,889

    In my 15 years of fixing Monitor heaters I have...

    In my 15 years of fixing Monitor heaters I have never seen an out of spec pump on a 422 or 441. That being said, the pump could be bad. I have seen a couple of pumps that had burned wiring. Since the...
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    3,889

    The nozzle at the pot is clean. I removed the...

    The nozzle at the pot is clean. I removed the pot, cleaned it and put in a new burn mat last winter when the problem started. I've also taken the fuel line off and I can blow through it and feel...
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    3,889

    The only way to trouble shoot the pump is to use...

    The only way to trouble shoot the pump is to use your flame sensor by pass and a calibrated cup. Check the fuel flow in all three modes. Low 5.1 cc per min, high 10.3 cc per min. Check that the flow...
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    3,889

    I know this thread is about a year old but it's...

    I know this thread is about a year old but it's still related to the initial problem. The heater was running on high all the time and wasn't keeping the temperature up in the house. I took the...
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    Here's the exhaust 2890

    Here's the exhaust
    2890
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