Ao Smith 100110719 Tp Relief Valve 1 Inch Mnpt 150 Psi

Product Description

The AO SMITH 100110719 is a temperature and pressure relief valve designed for residential water heater applications. It provides a critical safety function by automatically releasing water when tank temperature or pressure exceeds safe operating limits. Rated at 150 PSI and 210 degrees F, this valve meets standard residential water heater safety requirements. The 1-inch MNPT inlet connection fits standard tank tapping, and the 2-inch cavity depth accommodates typical heater configurations. Licensed plumbers install this valve as a required code component on water heater installations.

This T&P relief valve is intended for residential water heater service. Per the raw_description data, it is compatible with BTH, SUF, and HCG series units across multiple capacity ranges including 60-120, 100-150, 100-199, and 100-250 gallon or BTU ratings. It is a direct replacement part suited for restoring code-compliant overpressure and overtemperature protection on existing installations where the original valve has reached end of service life or failed inspection.

Key Features

• Rated at 150 PSI maximum pressure relief
• Temperature relief set point at 210 degrees F
• 1-inch MNPT inlet connection for standard tank tapping
• 2-inch cavity depth for proper heater port fitment
• Designed as a residential replacement part for AO SMITH water heater series

Compatibility

Compatible with AO SMITH BTH, SUF, and HCG series water heaters across the following capacity ranges: 60-120, 100-150, 100-199, and 100-250.

Installation Notes

T&P relief valves are installed by licensed plumbers and must comply with local plumbing codes, including applicable IPC requirements for discharge pipe sizing and routing. Shut off the cold water supply and disconnect power or gas to the water heater before replacing the valve. Always pipe the discharge outlet to a safe drain point as required by code. Do not plug, cap, or reduce the discharge outlet.

Technical Specifications

• Valve Type: Temperature and Pressure Relief Valve
• Inlet Connection: 1 inch MNPT
• Cavity Depth: 2 inches
• Pressure Rating: 150 psi
• Temperature Rating: 210 degrees F
• Application: Residential

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100110719