Part #ES25NI
US Boiler Co Cast Iron Boiler 85% AFUE 140k Input, 119K Gross Out, 103K Net Out, 353 lbs, 1-1/4" Heating Connections, 1/2" NPT Gas Connection, 6" Vent Size, Dims (WxDxH) 18-1/2" W x 33 D x 41H
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Part #ES25NI
ES2 Cast Iron Boiler 140k 85% AFUE

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- Brand: US Boiler CoVent Type: ChimneyVoltage Rating: 120 VACMounting Type: FloorDimensions: 18-1/2 in W x 33 in D x 41 in HDomestic/Import: DomesticSeries: ES2™DOE Heating Capacity: 119 mbhAFUE Rating: 85 %Type: 5-SectionFuel Type: Natural GasFuse Size: 3 AWater/Steam Content: 4 galNet IBR Rating: 103 mbhFlue Outlet Size: 6 in DiaConnection Type: 1-1/4 in NPTIgnition Type: ElectronicInput Capacity: 140 mbhAmperage Rating: 15 AHousing Material: Cast Iron
- The ES2 blends unmatched performance with long lasting durability and exclusive energy saving features. Designed as an optimal replacement boiler for millions of homes with existing chimneys, the ES2 achieves an 85% AFUE. At the heart of the ES2 is one of the most advanced cast iron heat exchangers in the industry and a well-insulated heavy-duty steel base for longevity. Even the ES2's control system is class leading. The IQ Boiler Control System allows the ES2 to be easily equipped with an optional energy saving control package that can achieve up to a 15 to 20% reduction in fuel consumption according to most studies.
- Exclusive IQ control system platform|Reliable, American-made cast iron heat exchanger|Designed for homes with existing chimneys|Industry standard tapping locations fit thousands of existing boiler installations|IQ boiler control system