Description
The Conbraco 10-604-20 is a high-capacity, ASME Section IV–certified bronze safety relief valve specifically engineered for hot water heating systems. With a ¾-inch FNPT inlet and outlet, this valve safely vents excess pressure in boilers and hydronic circuits, protecting your system and equipment from overpressure damage.
Key Features
- Factory Set at 100 psi — The valve comes preset to 100 psig but is adjustable from 15 to 160 psig, offering flexible pressure protection for a wide range of hydronic systems.
- High Capacity — Delivers a discharge capacity up to 2,162,000 BTU/hour, making it ideal for both residential and commercial boiler setups.
- Robust Construction — Built with a durable ASTM B584 bronze body and a plated alloy steel spring for longevity and corrosion resistance.
- Diaphragm-Isolated Spring Chamber — A molded diaphragm isolates the spring from system water, reducing corrosion risk and enhancing valve lifespan.
- Silicone Seat — Provides a reliable, tight seal under normal and elevated temperatures.
- High Temperature Rating — Rated for service up to 250°F (121°C), making it suitable for hot water boiler systems with high operating temperatures.
- Certifications — ASME Section IV certified and National Board–capacity tested for full-range reliability.
