EG-40, 125,000 BTU Standing Pilot Steam Boiler (Nat Gas) Zoom

EG-40, 125,000 BTU Standing Pilot Steam Boiler (Nat Gas)


Brand: Weil Mclain

Weil Mclain
118-404-360 has been discontinued.
Suggested Alternative:
SKU: 119-404-315
Brand: Weil Mclain



BTU Input: 125000
BTU Output: 78000
Vent Size: 6"
Gas Connection: 1/2"
Water Connection: 1-1/4"
Weight (lbs): 500 lbs
Width (Inches): 21-1/4"
Vent Type: Atmospheric
Height (Inches): 33.75
Depth (Inches): 27-5/8"
Supply Tappings (NPT): 3"
Return Tappings (NPT): 2-1/2"

Description for Weil Mclain 118-404-360

Weil McLain EG boilers are high efficiency steam boilers with a variety of applications including: residential, light commercial, multiple boilers, indirect-fired water heating, and radiant heating.

Standard Features:

  • Factory-assembled section block
  • Insulated extended jacket
  • Horizontal to vertical draft hood
  • Combination gas valve for 24 V
  • Non-linting pilot burner
  • Stainless steel burners
  • Electrical junction box
  • Spill switch
  • Rollout thermal fuse element
  • Limited 10 year warranty

Steam Boilers Feature:
  • 15 PSI ASME relief valve
  • High-limit pressure control
  • Low water cut-off electrode type
  • 40VA transformer
  • Steam pressure gauge
  • Syphon
  • Gauge cocks and glass
  • Plug-in circulator relay

PLEASE NOTE: The product weighs 500 lbs. and may require the use of a
lift gate.
If you do require a lift gate at your delivery, you'll have the option to add this FREE of charge when you checkout.

EG-40, 125,000 BTU Standing Pilot Steam Boiler (Nat Gas)

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2 Questions | 2 Answers
Displaying questions 1-2
  • EG-40, 125,000 BTU Standing Pilot Steam Boiler (Nat Gas)


    what is a termo cupleing where does go on your boiler
    Asked on 10/27/2011 by Anonymous from yonkers ny 10701

    1 answer



      A thermocoupling is a sensor that tells the gas valve that there is a flame and it is open to open.

      Answered on 11/16/2011 by PexSupply Staff from NY
  • EG-40, 125,000 BTU Standing Pilot Steam Boiler (Nat Gas)


    my house is 2100 sq feet how much btus do i need
    Asked on 9/17/2010 by Anonymous

    1 answer



      Usually BTU output is determined by a technician or installer. It would depend on several factors including your location, the insulation in your house, and your total heat loss. This information would be necessary to get an accurate estimation.

      Answered on 9/20/2010 by PexSupply Staff from NY
Displaying questions 1-2

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