Description
Lochinvar & A.O. Smith 100208446 Temperature & Pressure Relief Valve
The Lochinvar & A.O. Smith 100208446 is a genuine OEM Temperature and Pressure (T&P) Relief Valve engineered to provide critical overpressure and overtemperature protection for commercial and residential water heaters and boilers. Designed to meet demanding system requirements, this valve automatically releases excess pressure or temperature to safeguard equipment and prevent catastrophic failure.
Key Specifications
- SKU: 100208446
- Connection Size: 3/4″
- Pressure Rating: 150 PSI (150#)
- Temperature Rating: 210°F
- Relief Capacity: 1,912,000 BTU/hr
- OEM Part for Lochinvar & A.O. Smith water heaters and boilers
Features & Benefits
- Genuine OEM replacement ensures proper fit and reliable performance
- High BTU relief capacity of 1,912,000 BTU/hr suited for large-capacity systems
- 3/4″ connection for straightforward installation and compatibility
- 150 PSI pressure rating provides robust overpressure protection
- 210°F temperature rating guards against dangerous overheating conditions
- Helps maintain system integrity and extend equipment lifespan
Application
This T&P relief valve is a direct OEM replacement for Lochinvar and A.O. Smith water heaters and boilers requiring a 3/4″, 150 PSI, 210°F rated valve. Always verify compatibility with your specific model before installation. Proper installation and periodic testing of T&P relief valves is essential for safe system operation and code compliance.






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