Description
Protect your boiler or hydronic heating system with the Conbraco 10 605 15 Hot Water Relief Valve, a high capacity safety valve designed for reliable overpressure protection. Built by Conbraco (also known under the Apollo brand), this OEM-quality valve is engineered to safeguard your heating system from dangerous pressure build-up.
Key Features
- Set Pressure: 75 PSI — Factory preset to 75 psi to ensure consistent and dependable over pressure relief.
- 1″ FNPT Inlet Connection — Standard 1-inch female NPT inlet enables straightforward integration into most boiler / heating systems.
- High Capacity — Rated for a capacity of 2,728,000 BTU, making it suitable for large or high-demand systems.
- ASME Section IV Certified — Designed and tested to meet safety standards for hot water heating systems.
- Corrosion-Resistant Bronze Body — Constructed with durable ASTM B584 bronze to resist corrosion and provide long-term reliability.
- Diaphragm-Isolated Spring Chamber — Keeps the spring protected from the water path, improving performance and durability.
- Silicone Seat — Provides a tight seal and reliable reseating after pressure release.
- Maximum Operating Temperature — Rated up to 250°F, supporting safe operation under typical boiler conditions.
- Made in USA — Manufactured in Conbraco’s U.S. facilities for quality assurance and standards compliance.






