Brass Water Heater Safety Relief Valve Body Thread Backflow Preventer Valve Body for Electric Water Heater Pressure Protection
Selling Point 1: High Quality Forged Brass Material Adopts integrated forged brass structure, anti-rust and pressure-resistant, stable for long-term use in hot and cold water pipelines. Multiple brass grades are optional to meet different market standards. Each valve body undergoes strict air tightness inspection to ensure no leakage.
Selling Point 2: FNPTF Dry Seal Thread Connection Designed with FNPTF American dry seal taper pipe thread, it achieves reliable sealing without excessive PTFE tape, effectively preventing medium leakage under high pressure. Matches standard water heater pipe sizes for easy installation and replacement.
Selling Point 3: Integrated Safety & Anti-backflow Structure Combines safety pressure relief and one-way backflow prevention functions. It can release excess pressure to protect the water heater liner, and stop hot water from flowing backward to avoid water source pollution. The side port is reserved for drainage pipe installation for pressure relief discharge.
Selling Point 4: Widely Applicable & Support Customization Perfectly fits most household storage electric water heaters, solar water heaters and pressure water tanks. We support OEM customization on thread type, specification and logo, with stable production capacity and fast delivery for bulk orders.




Qingdao Yida Tongtu Machinery Technology Co., Ltd., in the beautiful coastal city of Qingdao. Specializing in high-growth ventures such as valves and power equipment, the company is dedicated to providing comprehensive solutions for industries including petroleum, chemicals, and water utilities, empowering clients to grow and achieve success.
We are a cutting-edge trading enterprise specializing in one-stop industrial valve matching, deeply cultivating gate valves, globe valves, ball valves, check valves, butterfly valves, etc. Our main products include American standard API, German standard DIN, and Japanese standard JIS, suitable for various industries such as chemical, petroleum, gas, power, metallurgy, etc.
We selects qualified factories from the source, strictly controls product quality, adheres to the direct supply mode, and relies on the advantages of a streamlined and efficient team to achieve rapid implementation of customer demands. At the same time, we can provide customers with standard spot goods, non-standard customization, OEM, project batch matching, and a complete set of export documentation services, becoming a long-term stable valve procurement partner for customers with professionalism, reliability, and high cost-effectiveness.













Our mission is to offer "High Quality" & "Good Service" & "Fast Delivery" to help our clients to gain more profits.