Description
The Lochinvar & A.O. Smith 100208453 is an OEM Temperature and Pressure (T&P) Relief Valve engineered to provide reliable overpressure and overtemperature protection for residential and commercial water heaters and boiler systems. With a 1″ inlet and 1″ outlet connection, a 150 PSI pressure rating, and a 200,000 BTU capacity rating, this valve is designed to meet the demanding safety requirements of high-output water heating equipment.
Key Features
- OEM replacement part for Lochinvar and A.O. Smith water heaters and boilers
- 1″ x 1″ inlet/outlet connection for straightforward installation
- 150 PSI (150#) pressure relief rating for robust overpressure protection
- 200,000 BTU capacity rating suitable for high-output heating systems
- Temperature and pressure (T&P) dual-function safety relief
- Designed for compatibility with Lochinvar and A.O. Smith equipment
Applications
- Residential and light commercial water heaters
- Hydronic boiler systems
- High-efficiency condensing water heaters
- Any Lochinvar or A.O. Smith unit requiring T&P relief valve replacement
Specifications
- SKU: 100208453
- Brand: Lochinvar & A.O. Smith
- Connection Size: 1″ x 1″
- Pressure Rating: 150 PSI (150#)
- BTU Capacity: 200,000 BTU
- Valve Type: Temperature & Pressure (T&P) Relief Valve







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