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The THRUSH 416-2 is a 1/2-inch tank drainer designed for draining and servicing water storage tanks and expansion tanks in residential and light commercial plumbing and hydronic heating systems. The unit features a left tube end configuration, which routes the drain discharge away from the tank and toward a floor drain or collection point. Plumbers and hydronic system technicians install this fitting during routine maintenance, system flushes, or tank replacements. The 1/2-inch connection size is standard for most residential tank applications.
This tank drainer is suited for use in hydronic heating systems, potable water systems, and anywhere a bladder-style or diaphragm expansion tank or storage tank requires periodic draining. The left tube end design is particularly useful in tight mechanical rooms where clearance or drain orientation dictates the discharge direction. Installation is straightforward and is typically performed as part of scheduled system maintenance or during a tank changeout.
Designed as an OEM-style replacement tank drainer for residential and light commercial plumbing and hydronic heating tank applications with 1/2-inch connections.
Installation should be performed by a licensed plumber or qualified hydronic heating technician. Shut off the water supply and relieve system pressure before removing or installing a tank drainer. Ensure the discharge tube is directed toward an appropriate drain point before opening the valve. Follow all applicable local plumbing codes and IPC guidelines during installation and service.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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