Sign In to View Pricing & Availability
- The Series 3™ shares many of its features with the award winning ES2™, including the durable cast iron heat exchanger, rugged heavy gauge steel base and the innovative IQ Control System. The IQ Control System allows the Series 3™ to be easily equipped with an optional energy saving control package that, according to many studies, can deliver up to a 15 to 20% reduction in fuel consumption. In addition, the Series 3™ provides even more flexible chimney venting options making it the right choice for millions of homes.
Burnham® Gas-Fired Water Boiler, 5-Section, Series: Series 3™, Natural Gas Fuel, 102 mbh Net IBR, 140 mbh Input, 1-1/4 in NPT Connection, Electronic Ignition, 117 mbh DOE Heating, 84 % AFUE, 120 VAC, 15 A, 3 A Fuse, 4 gal Water/Steam Content, 6 in Dia Flue Outlet, Chimney Vent, Cast Iron Housing Material, Floor Mounting, 18-1/2 in W x 33 in D x 41 in H, Domestic
- Time proven cast iron design for durability and reliability
- Optimum venting flexibility for homes with existing chimneys
- IQ boiler control system
- Grundfos Circulator Pump, Integrated Draft Diverter, Connector, Damper and 1 in Burner
- Amperage Rating15 AConnection Type1-1/4 in NPTDimensions18-1/2 in W x 33 in D x 41 in HDOE Heating Capacity117Domestic / ImportDomesticFlue Outlet Size6 in DiaFuel TypeNatural GasFuse Size3Housing MaterialCast IronIgnition TypeElectronicInput Capacity140,000 BTU/hrManufacturerU.S. Boiler CoManufacturer #305BNI-GMounting TypefloorNet IBR Rating102SeriesSeries 3Type5-SectionVent TypeChimneyWater / Steam Content4