1100V Recirculator is a self contained water supply for the Heat Staion 2500 or 5000.  The unit consists of a vane type pump, water reservoir, fan, and radiator in a stainless steel enclosure. 

R1100 Specifications:

VANE pump (R1100V) Factory set at 50 psi adjustable to 80 psi 3 gallon reservoir / 1.8 gpm 115 or 230 vac. Single phase 50/60 Hz 15,000 BTU Dimensions: 23"L x 11"W x 14.75"H 5/8 LH Std. Inert Gas fittings - 1/4 FPT 8 foot power cord Visible water level through tank Thermal Overload Net Wt. 42 lbs. / 19 kg Foam Packed for UPS Shipment Use Dynaflux DEFENSE Anti-Freeze & Pump Lubricant