
Conbraco 10-604-05 Valve
As a seasoned technician, you know that safeguarding a hydronic heating system starts with a high-performance ASME Section IV pressure relief valve. The Conbraco 10-604-05 Valve, also identified as the Apollo 10-600 series, is a gold standard for protecting hot water boilers from overpressure conditions. This 3/4" FNPT relief valve features a rugged bronze body and an 827,000 BTU capacity, ensuring it can handle the thermal expansion and high-input demands of modern commercial and residential systems. Set at exactly 30 PSI, this valve utilizes a silicone seat and a fabric-reinforced molded diaphragm that effectively isolates the spring chamber from the water. This design prevents mineral build-up and corrosion within the spring housing, extending the operational life of the unit. The elevated seat ensures positive drainage away from the sealing area, while the angle pattern safety valve configuration simplifies installation in tight mechanical rooms. When reliability is non-negotiable, this domestic-made, high-capacity valve is the correct choice for code compliance and system integrity.
Key Benefits- ASME Section IV Certified: National Board capacity certified to meet stringent safety codes for hot water heating boilers.
- Corrosion-Resistant Bronze: Constructed with heavy-duty ASTM B584 bronze for long-term durability in demanding hydronic environments.
- Isolated Spring Chamber: The reinforced diaphragm keeps the alloy steel spring dry, preventing set-point drift caused by scale or corrosion.
- High Thermal Capacity: Rated for 827,000 BTU/hr, providing a robust safety margin for high-output heating systems.
- Positive Seal: The soft silicone seat provides a bubble-tight seal that stands up to frequent pressure cycling.
What is the maximum temperature rating for this valve?
The Conbraco 10-604-05 is rated for a maximum service temperature of 250°F (121°C).
Can this valve be mounted horizontally?
No, for proper safety and drainage, this valve must be mounted in a vertical, upright position directly to the boiler or pressure vessel.
What is the recommended pressure margin for installation?
To prevent nuisance "weeping" or seat leakage, the system operating pressure should be at least 10 PSI or 25% below the 30 PSI set pressure.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $177.52
-65%$177.52
$62.13Conbraco 10-604-05 Valve
As a seasoned technician, you know that safeguarding a hydronic heating system starts with a high-performance ASME Section IV pressure relief valve. The Conbraco 10-604-05 Valve, also identified as the Apollo 10-600 series, is a gold standard for protecting hot water boilers from overpressure conditions. This 3/4" FNPT relief valve features a rugged bronze body and an 827,000 BTU capacity, ensuring it can handle the thermal expansion and high-input demands of modern commercial and residential systems. Set at exactly 30 PSI, this valve utilizes a silicone seat and a fabric-reinforced molded diaphragm that effectively isolates the spring chamber from the water. This design prevents mineral build-up and corrosion within the spring housing, extending the operational life of the unit. The elevated seat ensures positive drainage away from the sealing area, while the angle pattern safety valve configuration simplifies installation in tight mechanical rooms. When reliability is non-negotiable, this domestic-made, high-capacity valve is the correct choice for code compliance and system integrity.
Key Benefits- ASME Section IV Certified: National Board capacity certified to meet stringent safety codes for hot water heating boilers.
- Corrosion-Resistant Bronze: Constructed with heavy-duty ASTM B584 bronze for long-term durability in demanding hydronic environments.
- Isolated Spring Chamber: The reinforced diaphragm keeps the alloy steel spring dry, preventing set-point drift caused by scale or corrosion.
- High Thermal Capacity: Rated for 827,000 BTU/hr, providing a robust safety margin for high-output heating systems.
- Positive Seal: The soft silicone seat provides a bubble-tight seal that stands up to frequent pressure cycling.
What is the maximum temperature rating for this valve?
The Conbraco 10-604-05 is rated for a maximum service temperature of 250°F (121°C).
Can this valve be mounted horizontally?
No, for proper safety and drainage, this valve must be mounted in a vertical, upright position directly to the boiler or pressure vessel.
What is the recommended pressure margin for installation?
To prevent nuisance "weeping" or seat leakage, the system operating pressure should be at least 10 PSI or 25% below the 30 PSI set pressure.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
As a seasoned technician, you know that safeguarding a hydronic heating system starts with a high-performance ASME Section IV pressure relief valve. The Conbraco 10-604-05 Valve, also identified as the Apollo 10-600 series, is a gold standard for protecting hot water boilers from overpressure conditions. This 3/4" FNPT relief valve features a rugged bronze body and an 827,000 BTU capacity, ensuring it can handle the thermal expansion and high-input demands of modern commercial and residential systems. Set at exactly 30 PSI, this valve utilizes a silicone seat and a fabric-reinforced molded diaphragm that effectively isolates the spring chamber from the water. This design prevents mineral build-up and corrosion within the spring housing, extending the operational life of the unit. The elevated seat ensures positive drainage away from the sealing area, while the angle pattern safety valve configuration simplifies installation in tight mechanical rooms. When reliability is non-negotiable, this domestic-made, high-capacity valve is the correct choice for code compliance and system integrity.
Key Benefits- ASME Section IV Certified: National Board capacity certified to meet stringent safety codes for hot water heating boilers.
- Corrosion-Resistant Bronze: Constructed with heavy-duty ASTM B584 bronze for long-term durability in demanding hydronic environments.
- Isolated Spring Chamber: The reinforced diaphragm keeps the alloy steel spring dry, preventing set-point drift caused by scale or corrosion.
- High Thermal Capacity: Rated for 827,000 BTU/hr, providing a robust safety margin for high-output heating systems.
- Positive Seal: The soft silicone seat provides a bubble-tight seal that stands up to frequent pressure cycling.
What is the maximum temperature rating for this valve?
The Conbraco 10-604-05 is rated for a maximum service temperature of 250°F (121°C).
Can this valve be mounted horizontally?
No, for proper safety and drainage, this valve must be mounted in a vertical, upright position directly to the boiler or pressure vessel.
What is the recommended pressure margin for installation?
To prevent nuisance "weeping" or seat leakage, the system operating pressure should be at least 10 PSI or 25% below the 30 PSI set pressure.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.












