199MBH FT Boiler Series, Wall-Hung Heating Boiler 6.5:1 Turndown, NG/LP 95% AFUE, ENERGY STAR Full-Color Touchscreen 4-Zone Pump Control Load Pairing, Cascade Outdoor Reset, MFZ Tech Low NOx, SS Heat Exch 1" NPT Water, 1/2" Gas 2"/3" Vent (100'/240') 19.63"D x 20.44"W x 28.19"H, 88 lbs 3.51 Gal Water Content 30.6-199k Input 29.2-183.7k Output | B2B Storefront