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This versatile safety valve works with hot water, steam, or air. Designed mainly for hot water boilers, it fits various applications, making it a superb general-purpose option. It features a drain plug on sizes DN40 and above, ensuring easy inspection and cleaning. The resilient PTFE seating design offers high seat tightness, enhancing performance. Suitable for diverse environments, this valve guarantees reliability and efficiency. It's perfect for anyone needing a dependable solution to safeguard boilers or other systems. Invest in this durable, high-quality safety valve and experience peace of mind.. Nabic 2 inch 542 Safety Valve - 3.0 Bar Brass NAB54205030