Description
Lochinvar & A.O. Smith 100349410 Pressure Relief Valve Overview
The Lochinvar & A.O. Smith 100349410 is an OEM pressure relief valve engineered for high-capacity commercial and residential water heating and boiler applications. With a 3/4″ inlet and 1″ outlet configuration, this valve is designed to integrate seamlessly into Lochinvar and A.O. Smith heating systems, providing reliable overpressure protection where it matters most.
Key Specifications
- Inlet Connection: 3/4″
- Outlet Connection: 1″
- Pressure Rating: 60 PSI (60#)
- BTU Capacity: 1,611,000 BTU/hr
- OEM Part Number: 100349410
- Compatible Brands: Lochinvar, A.O. Smith
Features & Benefits
- Factory-rated at 60 PSI to guard against dangerous overpressure conditions
- High BTU capacity of 1,611,000 BTU/hr suits demanding commercial heating systems
- 3/4″ x 1″ port sizing allows for straightforward drop-in replacement on compatible Lochinvar and A.O. Smith equipment
- OEM-specified component ensures proper fit, function, and system warranty compliance
- Durable construction built to withstand the thermal and pressure demands of high-output water heaters and boilers
Application
This relief valve is the correct OEM replacement for Lochinvar and A.O. Smith commercial water heaters and boilers requiring a 3/4″ x 1″, 60 PSI rated pressure relief valve with a 1,611,000 BTU discharge capacity. Always verify compatibility with your specific unit model before installation. Installation should be performed by a licensed professional in accordance with local codes and manufacturer guidelines.







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