ST453UA#01 Toto Drake II Toilet Tank Only - Cotton White Ultra high-efficiency TORNADO FLUSH® (1.0GPF/3.8LPF) Not a Complete Fixture - Tank Only 110223B-149MW Armstrong Astro 2 2250SS Recirculation Pump with 2 Bolt Flange The Armstrong Astro 2 hot water re-circulation system automatically circulates water through domestic water pipes. This ensures that hot water is available instantly at every tap throughout a residence. From a cost and environmental point of view, far less water is wasted each time a hot water faucet is opened – saving an average of 12,000 gallons of water annually for a typical four-person household. Ideal for retrofit applications. Materials : Lead-free bronze or stainless steel (pump casing), ceramic (pump shaft and bearings), PEI (impeller), EPDM (bearing seals) Performance range : Longest pipe run between hot water tank and farthest fixture: 250 ft (76 m) Aquastat maintains hot water temperature within a 20°F (11°C) range between 85°F (29°C) and 105°F (40°C) Temperature : Max water temp 230°F (110°C) Astro 2 hot water recirculation reaps an average annual water savings of 12,000 gallons (based on a family of four spending over 90 hours per year waiting for hot water to arrive at the tap)