4" Grooved Flange Adapter Rinnai Note: Designed for use with

Note: Designed for use with 4" grooved couplings and fittings in space-constrained environments

This makes it a strong replacement option for existing non-condensing installations

meeting the highest standards for safety and reliability in large-diameter pipe systems

Built-in relief valve safeguards against overpressure due to surges or temperature changes

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4" Grooved Flange Adapter Rinnai Note: Designed for use with4" Grooved Flange Adapter This 4" grooved flange adapter is designed for fire protection and mechanical piping systems. Built from durable ductile iron, it provides reliable performance and long term durability in demanding commercial and industrial applications. Designed for grooved piping systems Heavy duty construction Reliable sealing performance Contractor grade quality