Ruffneck and Modine heatersview on SAM.gov

Ruffneck brand only, Model number AH16AB3A1A12G, Output (MBH) 536.0 at 50 psi at 10 degrees F, COND (lbs per hr) 581.1 at 50 psi at 10 degrees F, Model series AH, Fan size 16-inch three blade aluminum, steel spider and hub with five eights inch (16 mm) bore, Passes 3 passes, Connections 1 one half Male NPT schedule 40, Exchanger coatings Aluminum paint, Cabinet material Epoxy powder coated carbon steel, Discharge type 2-way aluminum louvers, Heater certification Explosion proof, Motor specifications 480 VAC, 3 phase, 60 Hz CSA and/or UL listed 1725 RPM permanently lubricated ball bearing type with rigid base, Explosion-proof or general-purpose construction, Approvals Steam and HVAC liquids only. CSA certified Class I, Division 1 and 2, Groups C and D, Class II, Division 1 and 2, Groups E, F, and G; Class III, Division 1 and 2, Temperature Code T3B 329deg F 000000000000000000000000000000000000000000000Modine V 161,000 BTU Hot Water/Steam Unit Heater Vertical Copper Heat Exchanger Product Line V, Product Category Unit Heater, Medium Steam Hot Water, Heat Exchanger Material Copper, Fuel Type Hydronic, Configuration Vertical Maximum Input Capacity 161000 BTU, Air Throw 30 Feet, Maximum Air Flow 2945 CFM, Voltage 115 Volts, Phase 1, Frequency 60 Hz, Current 5.4 amps, one third horsepower motor, 1075 RPM, Diameter 34.75?, Height 8.375?