Description
The Caleffi Discal Air Separator 551054A is a high-performance 2″ sweat connection DISCAL® air separator engineered to continuously remove air and micro-bubbles from hydronic heating and cooling systems. Its brass construction and advanced internal design improve system efficiency by reducing noise, corrosion, and mechanical wear caused by trapped air. Ideal for residential and commercial boiler, radiant heat, and HVAC applications, this air separator promotes smoother circulation and reliable long-term operation.
Features:
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Model: Caleffi 551054A DISCAL® Air Separator
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Connection Type: 2″ sweat connections for secure soldered installation
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Automatic Air Removal: Continuously eliminates air and micro-bubbles to optimize system performance and reduce noise and corrosion
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Brass Construction: Durable body resists corrosion and harsh hydronic environments.
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Advanced Internal Design: Large chamber and glass-reinforced nylon mesh coalesce micro-bubbles for efficient air separation
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Stainless Steel Float & Linkage: Reliable operation even under turbulent conditions
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½″ FNPT Bottom Thread: Allows optional expansion tank or accessory connection
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Working Pressure: Up to 150 psi, suitable for a wide range of hydronic systems
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Temperature Range: Operates from 32 °F to 250 °F for versatile application use
