Description
Watts F274426 Pressure Relief Valve Overview
Engineered for dependable overpressure protection in hydronic heating and hot water systems, the Watts F274426 is a 3/4″ pressure relief valve rated at 33 PSI with a robust 695,000 BTU capacity. Designed to automatically discharge excess pressure before it reaches dangerous levels, this valve helps safeguard boilers, water heaters, and closed-loop heating systems from potentially damaging overpressure conditions.
Key Specifications
- Brand: Watts
- SKU / Model: F274426
- Inlet/Outlet Connection Size: 3/4″
- Set Pressure: 33 PSI
- BTU Capacity: 695,000 BTU
- Valve Type: Pressure Relief Valve
Features & Benefits
- High BTU rating of 695,000 BTU provides capacity for demanding hydronic and heating applications
- 33 PSI set pressure delivers precise, reliable pressure relief
- 3/4″ connection size for straightforward installation into standard piping systems
- Watts quality construction ensures long-term durability and consistent performance
- Helps maintain system safety by venting excess pressure automatically
- Suitable for use on boilers, water heaters, and hydronic heating systems
Applications
The Watts F274426 is ideal for residential and light commercial hydronic heating systems, hot water boilers, and water heaters where reliable pressure relief protection is required. Its 695,000 BTU capacity makes it well-suited for higher-output heating equipment.







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