Description
The Xylem 110121 Relief Valve (790‑3/4‑30) is a precision‑engineered safety component designed to protect hydronic heating systems by relieving excess pressure before it can cause damage. Factory‑set to open at 30 PSI, this relief valve helps maintain safe operating conditions by releasing pressure when it exceeds the set threshold, preventing stress on piping, pumps, and other system components. With a durable body and reliable valve mechanism, the 110121 model ensures consistent performance in residential, commercial, and industrial hydronics applications. The 3/4″ threaded connection makes it compatible with standard system ports, and its dependable operation contributes to extended equipment life and improved system safety. Ideal for boiler systems, pressure vessels, and closed‑loop circuits, this relief valve is a key part of preventing overpressure conditions and ensuring efficient, safe operation of your hydronic system.
Key Features:
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Designed for 3/4″ system connections with a 30 PSI set point
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Helps protect hydronic systems by relieving excess pressure
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Durable construction for long‑lasting reliability
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Essential safety component for boilers and closed‑loop circuits
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Suitable for residential, commercial, and industrial applications
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Factory‑set for precise and dependable operation
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