Royall 4250 Coal Stoker Specifications From Workmanship to Design, a Royall Coal Stoker offers the best value available. Built to Deliver Maximum heat, our Coal Stokers combine reliability, quality, and Support second to none! We Offer Commercial and Residential Solutions to YOUR heating needs. • Efficient - On Demand Heating Of Low Water Volumes Prevents Wasted Energy and Fuel • Reliable - Royall has Over 40 Years Of Proven Experience In the Industry • Durable - The Only Solid Fuel Boiler with ASME Certified Water Chambers • Safe - Designed and Built Using Only The Highest Quality Parts and Processes • Multi-Fuel Design • Minimizes Fuel Consumption • Limited Lifetime Warranty • Precision laser Cut • Prevents Overheating • Worldclass Customer Service • Bolt Together Design • Electronically Controlled • State Of The Art Manufacturing • Replaceable Grates Boiler Specifications • Construction: 1/4” and 5/16” A36 ASTM Certified Steel • Welding: Completed by ASME Certified Welders • Certification: ASME Inspected and Certified • Water Capacity: 16.5 U.S. Gallons • Dry Weight: 503 lbs. • Dimensions: (WxLxH) 30.5" x 31.65" x 30" Coal Stoker Specifications • Construction: A36 Hot Rolled Steel (varying thicknesses) • Welding: Completed by ASME Certified Welders • Feed: 1 1/2” Diameter 10 Ga Auger, Bottom Feed Fire Pot, Induction Drive Gear Motor • Induction Fan: 549 CFM Squirrel Cage Blower, Adjustable Damping System • Dry Weight: 105 lbs. Boiler Base specifications • Construction: A36 Hot Rolled Steel (varying thicknesses) • Welding: Completed by ASME Certified Welders • Feet: 1/2” Threaded Adjustable Leveling • Ash Door: Cast Iron w/ Royall Trademark Crown • Dry Weight: 326 lbs. • Dimensions: (WxLxH) 30.95" x 27.32" x 27.62" Hopper Specifications • Construction: 16 Ga (.062”) 304 Stainless Liner, 16 Ga. (.062”) Powder Coated Steel Outer • Welding: Completed by ASME Certified Welders • Feet: 1/2” Threaded Adjustable Leveling • Coal Capacity (Rice Coal): Approximately 600 lbs. • Dry Weight: 205 lbs. • Dimensions: (WxLxH) 38" x 30.32" x 27.72" Entire Unit Specifications • Foot Print: (WxLxH) 109 x 30.32" x 27.72" • Dry Weight: Approximately 1050 lbs. • Auger Speed: PLC Controlled Auger Speed (2-24 lbs./hour) • Draft Air Flow: PLC Damper Controlled (10-549 CFM) • Firepot Temperature: Monitored with Kyence Temperature Sensor • Ash Removal: Manual Ashpan (Daily) • Coal Fines Removal: Manual Lever (Daily)
