Description
The Lochinvar & A.O. Smith 100171919 is a 1.5-inch low temperature valve engineered for reliable flow control in hydronic heating and water heating applications. Designed to handle flow rates up to 55 GPM, this valve delivers consistent performance in demanding commercial and residential system configurations.
Key Features
- 1.5″ valve connection size for versatile system integration
- Rated for flow rates up to 55 GPM
- Low temperature design optimized for hydronic heating systems
- OEM replacement part for Lochinvar and A.O. Smith equipment
- Precision-engineered for dependable, long-lasting operation
Application
This valve is a genuine OEM component from Lochinvar & A.O. Smith, making it an ideal direct replacement for systems requiring precise low-temperature flow management. Its 1.5-inch port size and 55 GPM capacity make it well-suited for commercial boiler systems, water heaters, and hydronic distribution circuits where accurate temperature and flow control are critical.
Why Choose OEM?
Using genuine Lochinvar & A.O. Smith replacement parts ensures compatibility, maintains system warranties, and delivers the performance your equipment was designed to achieve. Trust Jackson Systems for fast fulfillment and expert support on all your HVAC and hydronic parts needs.







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