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  1. Replies
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    610

    I disconnected the line from the reservoir to the...

    I disconnected the line from the reservoir to the fitting in the back of the unit and blew air into the reservoir. I was able to get air through it but fuel barely drips out otherwise. I would think...
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    6
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    731

    Listen carefully and watch the burn window...

    Listen carefully and watch the burn window before/while the heater shuts off. A knocking sound will indicate not getting fuel, if the flame looks good and it shuts off you likely have a flame rod/...
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    6
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    610

    That screen is ok, the restriction is somewhere...

    That screen is ok, the restriction is somewhere in between the tube that runs out of the bottom of reservoir to the filter housing. I am getting next to no flow through it. I have the empty light...
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    610

    Monitor 21 clogged internal tank

    My Monitor 21 has shutdown and is not getting fuel, I cleaned the fuel filter to no avail. I use the internal tanks. The reservoir is full and I have a shut off valve on the line from the reservoir...
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    2
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    1,389

    M21 combustion fan slowdown

    I got home this afternoon to flashing lights on my M21 heater. I restarted it and the combustion fan is barely spinning. I am assuming it is worn out. Has anyone successfully rebuilt one of these...
  6. Ya the fan is working ok. It hasn't really failed...

    Ya the fan is working ok. It hasn't really failed that way again. It was out of service for a year or so.
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    11
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    10,021

    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?
  8. Replies
    6
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    2,989

    A needle scaler works very well to clean the...

    A needle scaler works very well to clean the carbon out of the burn pots with no damage.
  9. M21 heater loud transformer sound when heater fan kicks on

    I went through the burn chamber on my spare m21 heater and test fired it earlier. It worked ok so I shut it down. Went to fire it back up and it went into lockout after a few minutes so I reset it....
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    4
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    1,541

    Is there an easy way to clean it? Do I remove the...

    Is there an easy way to clean it? Do I remove the blower? How would it get carbon in it? Isn't it just drawing in outside air?
  11. Replies
    4
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    1,541

    Laser 73 heater vibration

    I hooked up my Laser 73 and the heater vibrates pretty bad when the combustion motor speeds up. I took the elbow off and didn't see anything inside the spinning wheel. Is it common for this to happen...
  12. Thread: Burner Pots

    by rrob311
    Replies
    10
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    4,452

    Vip do you have a burner pot for a 41 that you...

    Vip do you have a burner pot for a 41 that you would like to sell? I would like to fix one of my heaters with a bad pot. I have an idea for the pins that hold the burner ring. The model 21 series has...
  13. Replies
    2
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    1,995

    Oil miser 22 vs 23

    I see that the OM22 is allowed to use #2 heating oil. The OM23 says to use ULSD or kerosene. These two heaters look pretty much the same. What is different with the OM23 that doesn't allow it to use...
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    5
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    3,132

    OK, that makes sense. I have some lift pumps but...

    OK, that makes sense. I have some lift pumps but no tank to feed the heater so I have to use that. Do you think the filter on the 41 and 441 requires less and that is why they work better?
  15. Replies
    5
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    3,132

    It's just the standard 5 gallon quik tank that...

    It's just the standard 5 gallon quik tank that kero sun mad with a 2 foot hose going to it.
  16. Replies
    5
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    3,132

    MPI 2400 e 14 and 13

    My monitor 2400 was working ok off my 5 gallon tank, but it would shut down after refueling and throw an e14 and then e13 code. I keep hearing the pump gurgling and knocking and then it loses flame...
  17. Replies
    16
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    19,615

    I keep getting this code on my 2400 every time I...

    I keep getting this code on my 2400 every time I refill my 5 gallon quik tank. You can hear the pump knocking before it shuts down so I think an air pocket in the line is causing it. This is...
  18. Replies
    28
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    13,597

    I am using a gravity fed 5 gallon quik tank for...

    I am using a gravity fed 5 gallon quik tank for this.

    One thing I would like to note is that the inside of this unit looks similar to my oil stove. I wonder how well it would burn #2 heating oil...
  19. Replies
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    13,597

    Fixed

    It looks like it is finally fixed. I took off the fuel inlet to the burn pot and cleaned out the carbon with a drill bit and a paper clip. I didn't realize it was clogged. Its cranking right now so I...
  20. Replies
    28
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    13,597

    I got the heater to light, sort of. There is a...

    I got the heater to light, sort of. There is a little yellow flame near where the nozzle goes in when I blow on the hose going into the sump. It then dies down after I let off. Could the nozzle...
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    1
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    1,625

    Monitor 41 shutdown, picturs

    My monitor 41 worked OK last season and for a couple days this season. Yesterday I started it up and it shutdown on me. Since there are easy to take apart, I dismantled it and took some pictures. The...
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    1,652

    The screen is ok on it. I figured out the problem...

    The screen is ok on it. I figured out the problem with the M22. The replacement tank I used is slightly caved in on the bottom so I think the fuel does not feed fast enough.

    As for the M21, I...
  23. Replies
    2
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    1,652

    M21 M22 empty switch problem

    I have an M21 heater that has seen little use that I converted to internal tank use. I activated the empty switch and it always flashes empty no matter what. Does anyone know what goes wrong with...
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    2,561

    I thought mine were bad and I took them apart and...

    I thought mine were bad and I took them apart and put them back together and they started working. I think ebay may have had a set a while back. Check there.
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    1,177

    Monitor 22 out of fuel, shutdown

    I ran my M22 out of fuel. I have an internal tank in it. So I filled it back up and started it. Once it went to high for a minute it shut down again. I could hear the fuel pump knocking so I assumed...
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