Caleffi 551003A

The Discal Air Separator delivers dependable air elimination for hydronic systems, minimizing noise and performance losses. The Caleffi 551003A model features a 3/4" NPT female connection for straightforward in-line installation and reliable performance.

Designed to optimize hydronic systems by separating and venting air, this unit helps maintain flow, efficiency, and heat transfer. The 551003A uses a removable cap for easy service and quick access to the tank and internals, ensuring minimal downtime and long service life.

• 3/4" NPT female connection enables seamless in-line installation with standard piping.
• Efficient air separation protects pumps, valves, and heat exchangers from air-related issues.
• Compact, corrosion-resistant body preserves space and reliability in residential or commercial systems.
• Removable cap allows quick service, inspection, and cleaning of the separator internals.
• Low-maintenance design with durable materials for long service life and steady performance.

Ideal for residential boilers, radiant floor heating, and light commercial installations, this Discal Air Separator helps maintain system efficiency and reduce maintenance needs. Built with robust materials and a proven design, the Caleffi 551003A delivers dependable air management and long-lasting performance in challenging operating conditions.