3/4" ASME Temperature and Pressure Relief Valve, 150 psi

3/4" ASME Temperature & Pressure Relief Valve – 150 PSI Rated Safety for Pressurized Systems

The 3/4" ASME T&P Relief Valve is a critical component designed to protect water heating systems from overpressure and excessive temperature. Built for compliance with ASME Section IV requirements, this valve ensures fail-safe operation in residential and commercial hot water storage tanks, boilers, and heating appliances.

With a set pressure rating of 150 PSI and a high-temperature discharge point of 210°F, this valve combines performance reliability with strict code compliance. Its robust brass body and stainless steel spring are engineered for durability in demanding applications.

Key Features & Benefits

• ASME and CSA Certified – Compliant with ASME Section IV and ANSI Z21.22/CSA 4.4 for pressure and temperature relief protection.
• Factory Set Pressure – Calibrated to open at 150 PSI and 210°F, ensuring responsive performance during unsafe system conditions.
• Corrosion-Resistant Components – Brass body, stainless steel spring, and silicone seat for longevity in varying water conditions.
• Thermoplastic Shank – High-heat rated for reliability in high-temperature environments.
• 3/4" Male Inlet x 3/4" Female Outlet – Standard connection design compatible with common tank tapping sizes.

Technical Specifications

• Size: 3/4" MNPT Inlet x FNPT Outlet
• Pressure Rating: 150 PSI
• Temperature Relief Setting: 210°F
• Material: Brass body with stainless steel and silicone internals
• Certifications: ASME Section IV, CSA Listed

Installation Guidance

This relief valve should be installed vertically in the top or side tapping of a hot water storage tank. Outlet piping must be routed to a safe discharge location per plumbing code. Only qualified personnel should install T&P valves to ensure compliance and safe operation. Periodic inspection and testing are recommended by the manufacturer.

Designed for the Trade

• Jobsite-Ready – Pre-set and ready to install for time-saving field application.
• Universal Application – Compatible with most water heaters, boilers, and indirect water tanks requiring T&P protection.
• Safety Assurance – Backed by manufacturing standards and rigorous quality control for dependable overpressure protection.

Don’t Risk System Failure—Ensure Proper Protection

The 3/4" ASME Temperature and Pressure Relief Valve is more than a specification requirement—it’s an essential line of defense against overheating and system pressure spikes. Install with confidence, knowing this valve delivers industry-compliant safety for every job.