PRODUCT FEATURES

• High capacity/high efficiency tankless heater
• Quick open top and swing-away burner door with full chamber access increases visibility for inspection and servicing
• Includes factory-wired circulator, service switch and Weil-McLain exclusive captured elastomer seals for added reliability
• Recessed target wall design protects unit from flue brushes
• Two flue outlets- rear and top - for complete venting flexibility
• Oil-fired water boiler with cast iron sections
• Energy Star Rating
• Available assembled or as a knockdown for installation areas with limited space

Model	I=B=R Burner Cap (GPH)	DOE Heating Capacity (MBH)	Net I=B=R Ratings (MBH)	Min. Chimney Size: Rectangular (in)
WTGO-3	0.95	115	100	8 x 8
WTGO-3L	0.95	114	99	8 x 8
WTGO-4	1.20	145	126	8 x 8
WTGO-5	1.45	175	152	8 x 8

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