Conbraco 10-407-05 Pressure Relief Valve | 3/4" Male x 3/4" Female | 30 PSI

📝 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 — 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.

✅ Key Features

• ✅ Inlet Size: 3/4" Male Pipe Thread

• ✅ Outlet Size: 3/4" Female Pipe Thread

• ✅ Blow-Off Pressure: 30 PSI

• ✅ Maximum Capacity: 535,000 BTU

• ✅ Material / Finish: Plain Brass

• ✅ Water Use Only: Not for steam applications

• ✅ Safety Compliance: ASME Section IV certified

• ✅ Cross Reference: Exact same as Burnham 81660363

📊 Specifications Table

⚠️ 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?
➡️ No, this valve is for water only.

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

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

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

🛒 Shopping Tips

• 🔧 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.