Unused constant flow heater by pic heaters inc., model 6 x 7-3, serial # 40-594. Designed to heat 5 gpm through 120 degree f temperature rise with 80 psig saturated steam and water pressure of 45 psig, 1/2 x 3/8 steam valve, type gs, class 150 in bronze, pic temperture controller 25-96/59 operating with 20 psi air, circulation pump 115/230/1 phase/ 60 hz with tefc motor, pic heater with ss 26-68 injector tube assembly, mounted in painted steel cart 58" long x 30" wide on casters. Operating on 115 volt/phase, origonal manual included.