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Weil Mclain

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Chucktkd
Chucktkd Member Posts: 1
in Strictly Steam
I have a weil mclain peg-35 series 4 and I had a tech repair it. I was not home at the time. He cleaned the pigtail syphon tube to the pressure switch and my heat is back on.

Where is this located so if I need to do this I won't have to pay a tech?

Thanks!!!

Chuck

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  • KC_Jones
    KC_Jones Member Posts: 5,739
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    The siphon tube is the curly pipe under the pressuretrol. It is also referred to as a pig tail because of it's shape. If you want post some pictures and we could tell you exactly what it is on your boiler. Was the boiler not working?
    2014 Weil Mclain EG-40
    EcoSteam ES-20 Advanced Boiler Control
    Boiler pictures updated 2/21/15
  • BobC
    BobC Member Posts: 5,479
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    The pigtail is between the boiler and the pressuretrol (pressure switch). these sometimes get plugged and should be removed and cleaned every year or two. You usually have to unwire it and then twist the pressuretrol off and then remove the pigtail and make sure it is clear.

    In this picture there is also a low pressure gauge besides the pressure device.

    Bob
    Smith G8-3 with EZ Gas @ 90,000 BTU, Single pipe steam
    Vaporstat with a 12oz cut-out and 4oz cut-in
    3PSI gauge

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