A.o. Smith 100108779 Tp Relief Valve 3 Inch Shank

Product Description

The A.O. SMITH 100108779 is a temperature and pressure (T&P) relief valve designed as a direct replacement part for residential water heater applications. T&P relief valves are a critical safety component in any water heating system, automatically discharging water when either temperature or pressure inside the tank exceeds safe operating limits. This valve features a 3-inch shank length suited to standard water heater tank wall configurations. Installation is handled by licensed plumbers during new heater commissioning or routine safety-component replacement.

This valve is a designated replacement part for residential water heaters, specifically compatible with A.O. SMITH NCLX-A and EL100XL model units. It is intended for residential service and fits into the standard T&P relief port on the water heater tank. Plumbing professionals servicing A.O. SMITH equipment will find this a direct OEM-style replacement suited to standard residential installations.

Key Features

• 3-inch shank length fits standard residential water heater tank wall configurations
• T&P relief valve function provides automatic overpressure and overtemperature protection
• Designed as a direct OEM replacement part for specified A.O. SMITH models
• Residential application rating appropriate for standard domestic water heating systems

Compatibility

Designed as a replacement T&P relief valve for A.O. SMITH NCLX-A and EL100XL residential water heater models.

Installation Notes

T&P relief valve replacement is a plumbing trade task performed by licensed plumbers. Before servicing, shut off the cold water supply and disconnect power or gas to the water heater following local codes and manufacturer guidance. The discharge port must be piped to a safe drainage point in compliance with the International Plumbing Code (IPC). Never cap or plug the relief valve discharge line.

Technical Specifications

• Type: T&P Relief Valve
• Shank Length: 3 inches
• Application: Residential Replacement Part

Standard Information

• Brand: A.O. SMITH
• Manufacturer Part Number: 100108779