GWB9-IH GAS-FIRED WATER BOILER WATER HEATING
2021-9-15u2002·u2002Gas-Fired Water Boiler - 60 Hz Bulletin No. 210652 December 2020 Supersedes October 2020 AFUE - 90% Input - 50,000 to 100,000 Btuh GWB 9 - 050 I H - 3 AFUE 9 = 90% Series GWB = Gas-Fired Water Boiler Capacity (Input) 050 = 50,000 Btuh 075 = 75,000 Btuh 100 = 100,000 Btuh Ignition H = Hot Surface Ignition Revision Number 3 = 3rd Generation
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