Featured Installation: Froling P4 Automatic Wood Pellet Boiler Colorado State Forest Service-Fort Collins, CO By Travis PaigeNovember 16, 2011January 10, 2022Commercial Boiler Images, Fröling P4, Installations, P4 Pellet Boiler Installations, Wood Pellet Boiler Images System Installed: Froling P4 32/38 wood pellet boiler with 220 gallons of thermal storage. Fuel Store: External Metal Bin. Completed Date: Mid 2011 Installed By: Dohn Construction, Inc Please leave this field empty WANT MORE? SIGN UP TO RECEIVE THE LATEST TARM BIOMASS BLOG POSTS. Email Address * We don’t spam! Read our privacy policy for more info. Check your inbox or spam folder to confirm your subscription.