Watts Brass Tubular 3/4 335M2-030 Relief Valve 30 Psi

Product Description

The WATTS BRASS TUBULAR 3/4 335M2-030 is a bronze boiler pressure relief valve rated at 30 PSI with a 3/4-inch female inlet connection. It is designed to protect residential and light commercial hot water boiler systems from excess pressure buildup by opening automatically when system pressure reaches the set point. The bronze construction provides corrosion resistance in hydronic heating applications. This valve is a direct-fit component typically installed by licensed plumbers and HVAC technicians during new system installations or as a replacement on existing boiler setups.

This pressure relief valve is suited for hydronic heating systems including gas-fired and oil-fired hot water boilers in residential and light commercial settings. It installs at the designated relief port on the boiler or in the supply-side piping per the manufacturer and applicable code requirements. The 3/4-inch female inlet makes it compatible with standard boiler relief valve outlet configurations found in typical residential heating systems.

Key Features

• 30 PSI pressure relief set point for boiler overpressure protection
• 3/4-inch female inlet connection for standard boiler relief valve ports
• Bronze body construction for corrosion resistance in hydronic systems
• Automatic pressure-actuated opening — no manual intervention required during a pressure event
• Watts ordering code 0342691 for cross-referencing and procurement

Compatibility

Designed as an OEM-style replacement pressure relief valve for residential and light commercial hot water boiler systems requiring a 3/4-inch female inlet connection with a 30 PSI relief rating.

Installation Notes

Installation must be performed by a licensed plumber or HVAC technician in accordance with local mechanical codes and ASME boiler and pressure vessel standards. Shut down and depressurize the boiler system completely before removing the existing valve or installing this unit. The discharge outlet must be piped to a safe drainage point per applicable code — never cap or restrict the relief valve discharge. Do not adjust or tamper with the set-pressure mechanism after installation.

Technical Specifications

• Inlet Size: 3/4 inches
• Inlet Connection Type: Female
• Pressure Rating: 30 psi
• Body Material: Bronze
• Weight: 27.5 pounds
• Unit of Measure: EA
• Package Quantity: 50
• Watts Ordering Code: 0342691

Standard Information

• Brand: WATTS BRASS TUBULAR
• Manufacturer Part Number: 3/4 335M2-030