CGA-4 - 77,000 BTU Output Boiler, Standing Pilot (Nat Gas) Zoom

CGA-4 - 77,000 BTU Output Boiler, Standing Pilot (Nat Gas)


Brand: Weil Mclain

Weil Mclain
381-357-337 has been discontinued.
Direct Replacement:
SKU: 381-357-804
Brand: Weil Mclain


Fuel Type: Natural Gas
Width (Inches): 13"
System Type: Hydronic (Water)
Height (Inches): 54.375
Features: Standing Pilot
Vent Size: 5"
Water Connection: 1"
Gas Connection: 1/2"
BTU Input: 105000
BTU Output: 77000
Warranty: Limited Lifetime on Cast Iron Sections/1-year on parts
Boiler Type: Standard
Depth (Inches): 23-1/4"
Vent Type: Type B Vent (Chimney)

Description for Weil Mclain 381-357-337

Weil McLain CGa boilers are high efficiency, high quality, and easy to install and service. Applications include residential, light commercial, multiple boilers, indirect fired water heating, radiant heating, and more.

This Weil Mclain CGA-SPDN, Standing Pilot, Natural Gas, Atmospheric, Packaged Water Boiler comes with a Taco 007 Circulator and requires 5" x 20' Minimum Chimney Size.


  • Factory Tested
  • Two-Piece Top Jacket Panel
  • Insulated Extended Steel Jacket
  • Cast Iron Sections with Built-in Air Separator
  • Radiation Plates
  • Vertical Draft Hood
  • Automatic Vent Damper
  • Combination Gas Valve for 24 Volt
  • Wiring Harness
  • Stainless Steel Burners
  • Electrical Junction Box
  • Rollout Thermal Fuse Element
  • High-Limit Temperature Control
  • Circulator Included
  • Spill Switch

PLEASE NOTE: The product weighs 240 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.

CGA-4 - 77,000 BTU Output Boiler, Standing Pilot (Nat Gas)

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