DUCO® Vertical Heavy Duty Stainless Steel Boiler Condensate Return Tank Complete Set (18″ x 42″). (Complete Set: Tank + Base Plate + Float Valve Set + Water Gauge Valve Set w/ Sight Glass). Compare the Thickness of Stainless Steel before purchasing other brands. Stainless Steel #304 (Thickness : 11 Gauge / 3.0 mm / 0.12). The complete drawing of the Tank & Stand assembly can be found in the pictures above. This complete set includes. Stainless Steel Tank (18″ x 42″). Stand Set (# RTS-18V). Bronze Float Valve (1/2 NPT). Brass Float Rod (4). Heavy Duty Stainless Steel Float Ball (5 Round). Bronze Water Gauge Valve Set (1/2 NPT, 250 WSP) with Protective Rods. Sight Glass Tube (Borosilicate 5/8″ OD x 10-3/4″ Length). Water Feed Pump is NOT included. Heavy Duty Stainless Steel (11 Gauge, 3.0 mm) for durable Tank Life against corrosion. Premium Silicone Gasket for Float Plate. Wide Bolt Holes for easy mounting on your stand. Modern Design and Finish. Heavy Duty Protective Packaging. Material: 304 Stainless Steel (Thickness: 3.0 mm/11 Gauge/0.12). Tank Capacity: 46 Gallons. Suitable Boiler System: 30 HP Boilers. Recommended Water Pump HP: 1-1/2 HP. Cold Water Inlet: 1/2. Water Gauge Set: 1/2. Sight Glass Length: 10-3/4. Total Height (including Stand): 62-1/2. Total Width (including Stand): 18. Total Length (including Stand): 18. Visit our store for all other Return Tank related items.