Full Flow Drain Valve, Water Heater, Brass

Rheem AP16830C Full Flow Drain Valve – OEM Drainage Component for Gas and Electric Water Heaters

The Rheem AP16830C is a full-flow drain valve designed for use with standard residential and commercial water heaters. Constructed from corrosion-resistant brass, this OEM component facilitates rapid tank drainage during maintenance, flushing, or decommissioning procedures. Its 3/4" NPT male threading allows direct installation into standard drain ports found on Rheem and other compatible water heater models.

Application Overview

This valve supports full-flow discharge to reduce service time during sediment flushing or tank replacement. The internal geometry is optimized for unrestricted drainage, and the manual handle provides positive shut-off and reliable sealing after use. Suitable for use in both gas and electric water heaters requiring periodic maintenance.

Technical Specifications

• Model Number: AP16830C
• Connection Type: 3/4" NPT Male Thread
• Material: Solid brass body
• Function: Full-flow drain valve for water heater tank emptying
• Operating Method: Manual open/close handle

Installation Guidelines

Install into the designated drain port on the water heater using appropriate thread sealant. Apply torque per manufacturer recommendations to ensure a secure, leak-free connection. Valve should be oriented for accessible operation. Use in accordance with local plumbing codes. For replacement or retrofit applications, ensure the system is fully depressurized and de-energized before removal of the existing valve.

Field Use and Service Notes

Commonly used during annual tank flushing to remove sediment buildup or during full tank draining for service or replacement. The full-port design reduces drain time compared to standard restriction valves and ensures consistent flow performance. The AP16830C is a standard stocking item for plumbing contractors performing routine water heater service or installation.