Ao Smith 100110739 Tp Relief Valve 1 Inch 150 Psi

Product Description

The AO SMITH 100110739 is a temperature and pressure relief valve designed to protect water heaters from dangerous overpressure and overtemperature conditions. When system pressure or temperature exceeds safe operating limits, the valve opens automatically to release excess energy and prevent catastrophic tank failure. With a 1-inch port size and a 150 PSI pressure rating, this T and P relief valve meets ASME and A.G.A. standards, making it a compliant replacement for residential and light commercial water heater installations. Licensed plumbers and water heater technicians are the primary installers of this component.

This T and P relief valve is used on storage-type water heaters where thermal expansion and pressure buildup must be safely managed. It is suited for residential water heater systems requiring a 1-inch valve port and a 150 PSI rated relief point. The valve carries ASME certification number 2155000 and A.G.A. certification number 500000, confirming it meets recognized industry safety standards for potable water heating equipment.

Key Features

• 1-inch valve port size for direct installation on standard water heater fittings
• 150 PSI pressure relief rating protects against dangerous overpressure events
• ASME certified (No. 2155000) for compliance with pressure vessel safety codes
• A.G.A. certified (No. 500000) for use on gas-fired water heating equipment
• Automatic relief action requires no manual intervention during a pressure or temperature event

Compatibility

Designed as an OEM-style replacement T and P relief valve for storage water heaters requiring a 1-inch port connection and a 150 PSI relief rating.

Installation Notes

Installation must be performed by a licensed plumber in accordance with local plumbing codes and the International Plumbing Code (IPC). Shut off the cold water supply and disconnect power or gas to the water heater before replacing the relief valve. A discharge pipe of adequate length and diameter must be connected to the valve outlet and directed to a safe drain location per code requirements. Never cap, plug, or reduce the discharge outlet of a T and P relief valve.

Technical Specifications

• Type: Temperature and Pressure Relief Valve
• Port Size: 1 inch
• Pressure Rating: 150 psi
• ASME Certification Number: 2155000
• A.G.A. Certification Number: 500000

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100110739