Brochure

Weil-McLain.comWeil-McLain.com

ENERGY STAR

requires a minimum of 87% AFUE, which is only

achieved by reducing the burner rate and installing the speciﬁed

optional vent damper kit. See Ratings chart on next page.

WGO

CAST IRON OIL BOILER

Water without Tankless Heater | Oil | 98–357 MBH | 8 sizes

Series 4 | Chimney Vent | Up to 87% AFUE†

HIGH-EFFICIENCY

CAST IRON BOILER

WGO

APPLICATIONS INCLUDE:

■

Residential

■

Light Commercial

■

Multiple Boilers

■

Indirect-ﬁred Water Heating

■

Radiant Heating

†Model Dependent

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WGO CAST IRON OIL BOILER Weil-McLain.com Water without Tankless Heater | Oil | 98–357 MBH | 8 sizes Series 4 | Chimney Vent | Up to 87% AFUE† HIGH-EFFICIENCY CAST IRON BOILER WGO APPLICATIONS INCLUDE: ■ ■ ■ ■ ■ Residential Light Commercial Multiple Boilers Indirect-fired Water Heating Radiant Heating * *ENERGY STAR requires a minimum of 87% AFUE, which is only achieved by reducing the burner rate and installing the specified optional vent damper kit. See Ratings chart on next page.
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STANDARD EQUIPMENT: DIMENSIONS BOILER 20 ¼" L 7 1⁄16" Supply E (C) 2 ⅝" 7" diameter ■ 14" approximately 6 ¼" (jacket and collector hood are not assembled on 7, 8 and 9 section blocks) for 7" vent pipe G R ■ F ■ 4 ⅜" diameter burner opening 15 ½" 14 ⅛" 29 9⁄16" 7 9⁄16" A Return Side ■ ■ 9 ½" ■ 3 3⁄16" D Front Back Intermediate Tapping Location Size (in.