US Boiler Independence Series, Gas-Fired, Steam Boiler, 62 MBH - 280 MBH Input BaseSKU-90725 2" x 1 1/2" Slipnut

2" x 1 1/2" Slipnut for 2" Sight Glass (SN-502)

Black Max Spec Sheet

10 GPM (7273-10)

Underwriter Laboratory 1 1⁄2 Hr

Trash chute intake doors are Fire Rated – UL Certified

US Boiler Independence Series, Gas-Fired, Steam Boiler, 62 MBH - 280 MBH Input BaseSKU-90725 2" x 1 1/2" Slipnut*This model is semi packaged. Image does not reflect actual product. Low Water Cut Off and Damper Must be purchased separately Burnham's Independence Series gas fired boilers offer all of the benefits of hydronic heat plus the advantages of high quality, reliable cast iron construction and advanced engineering. The cast iron sections on the heat exchanger are linked by metal couplings called push nipples. These push nipples increase the longevity of a