CGI-25 - 37,000 BTU Output Cast Iron Boiler, Spark Ignition (LP Gas) Zoom

CGI-25 - 37,000 BTU Output Cast Iron Boiler, Spark Ignition (LP Gas)


Brand: Weil Mclain

Weil Mclain
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/ each
Non-Stock ItemAllow 2-3 Weeks to Ship Out



Fuel Type: Propane
Water Connection: 3/4"
Gas Connection: 1/2"
Vent Size: 4"
System Type: Hydronic (Water)
Width (Inches): 10"
Vent Type: Power Vent
Weight (lbs): 200 lbs
Features: EI/Spark Ignition
BTU Input: 50000
DOE Rating:
IBR Rating:
Warranty: 20 Year Limited Warranty on Heat Exchanger/2 yrs Parts
Height (Inches): 28.375
Depth (Inches): 23-1/4"
Boiler Type: Standard
Vent Type: Stainless Steel
Application: Heating

Description for Weil Mclain 381-357-904

Note: Product Title reflects this boiler's IBR Net Output Rating

Weil McLain CGI boilers are high efficiency gas fired water boilers with cast iron sections.


  • All units are factory-tested, and include a limited lifetime warranty on cast iron sections
  • Direct vent capability
  • Cast iron sections with built-in air separator
  • Radiation plates
  • Steel plates
  • Inducer assembly
  • Flue gas collector/transition assembly
  • Integrated boiler control module with intermittent electronic ignition system and indicator/diagnostic lights
  • Compact design saves valuable living space
  • No vertical draft hood and no mechanical vent damper
  • Intermittent electronic ignition with standard components for easy servicing
  • Two-piece top jacket panel
  • Insulated extended steel jacket
  • Air Pressure Switch
  • Non-linting pilot burner
  • High-grade stainless steel burners
  • High-limit temperature control
  • Includes Taco 007 Pump

PLEASE NOTE: The product weighs 200 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.

CGI-25 - 37,000 BTU Output Cast Iron Boiler, Spark Ignition (LP Gas)

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