Description
Overview
The Lochinvar & A.O. Smith 100284289 is a 30 PSI (30#) Pressure Relief Valve engineered as a genuine OEM replacement component for compatible Lochinvar and A.O. Smith water heaters and boiler systems. Designed to protect your equipment and plumbing from dangerous overpressure conditions, this relief valve automatically opens to discharge excess pressure when system pressure exceeds the 30 PSI set point, safeguarding both the appliance and the surrounding installation.
Key Features
- 30 PSI (30#) pressure relief set point
- Genuine OEM replacement part for Lochinvar and A.O. Smith systems
- Automatic pressure relief to protect against overpressure conditions
- Direct-fit replacement for compatible water heater and boiler applications
- Durable construction for long-lasting, reliable performance
- SKU: 100284289
Application
This pressure relief valve is intended for use with select Lochinvar and A.O. Smith water heaters and hydronic boiler systems. Always verify compatibility with your specific model before installation. Proper installation and periodic inspection of pressure relief valves is essential for safe system operation and code compliance.
Installation Notes
- Install per manufacturer guidelines and all applicable local codes
- Ensure the discharge pipe is properly routed to a safe drain location
- Do not plug, cap, or restrict the discharge outlet
- Replace immediately if the valve shows signs of leakage, corrosion, or has been activated







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