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10-407-05 CONBRACO 3/4 MALE X 3/4 FEMALE 30 PSI RELIEF VALVE 535,000 BTU

Manufacturer: Conbraco
SKU: CONBRACO:10-407-05
Product Availability: 13
$25.05
This product must be purchased in increments of 1
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Conbraco 10-407-05 Pressure Relief Valve | 3/4" Male x 3/4" Female | 30 PSI


πŸ“ Product Description
The Conbraco 10-407-05 Pressure Relief Valve is designed for water heating systems, providing reliable protection against excessive water pressure and thermal expansion. With a 30 PSI blow-off rating and a maximum capacity of 535,000 BTU, this valve ensures safe operation of your hot water boiler or heating system.

Constructed with a plain brass finish, the valve features a 3/4" male pipe thread inlet and a 3/4" female pipe thread outlet, allowing for easy installation and secure connection. For water use only β€” not suitable for steam applications.

This valve is capacity-certified and complies with ASME Section IV requirements, making it ideal for residential and commercial hot water systems. It is an exact replacement for Burnham 81660363.


βœ… Key Features

  • βœ… Inlet Size: 3/4" Male Pipe Thread

  • βœ… Outlet Size: 3/4" Female Pipe Thread

  • βœ… Blow-Off Pressure: 30 PSI

  • βœ… Maximum Capacity: 535,000 BTU

  • βœ… Material / Finish: Plain Brass

  • βœ… Water Use Only: Not for steam applications

  • βœ… Safety Compliance: ASME Section IV certified

  • βœ… Cross Reference: Exact same as Burnham 81660363


πŸ“Š Specifications Table

CategoryDetails
Model / Part Number 10-407-05
Inlet / Outlet Size 3/4" Male x 3/4" Female
Blow-Off Pressure 30 PSI
Max Capacity 535,000 BTU
Material / Finish Plain Brass
Fluid Type Water Only
Compliance ASME Section IV
Cross Reference Burnham 81660363

⚠️ Common Symptoms (When to Replace)

  • Excessive pressure in the hot water system

  • Leaks from the valve or connections

  • Valve fails to open at set pressure

  • Routine replacement for older or corroded valves


❓ Frequently Asked Questions (FAQ)

Q1: Can this valve be used on steam systems?
➑️ No, this valve is for water only.

Q2: What is the maximum blow-off pressure?
➑️ Rated at 30 PSI.

Q3: What is the maximum capacity?
➑️ Handles up to 535,000 BTU.

Q4: Is this compatible with other brands?
➑️ Yes, it is an exact replacement for Burnham 81660363.


πŸ›’ Shopping Tips

  • πŸ”§ Verify your system’s pressure and capacity before purchasing.

  • 🧰 Recommended as part of routine maintenance to prevent excessive pressure buildup.

  • ⚑ Ensure proper installation to maintain compliance with safety standards.

Products specifications
Manufacturer Conbraco
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