Resideo by HoneyWell FV147A Automatic Air Vent PSI Boiler Repair Parts - 1/4 240 F/150

The Resideo by HoneyWell FV147A is a high-quality automatic air vent designed to efficiently remove air from hydronic heating systems, preventing airlocks and improving system performance. This reliable vent features a 1/4" NPT connection for easy installation in boilers, radiators, and hot water heating systems.

Key Features:

• Automatic operation continuously releases trapped air without manual intervention
• Maximum working temperature of 240°F for compatibility with high-temperature systems
• Maximum working pressure rating of 150 PSI for reliable performance
• 1/4" NPT male threaded connection for standard pipe fitting
• Durable brass construction resists corrosion and ensures long service life
• Compact design fits in tight spaces and crowded mechanical rooms
• Float mechanism automatically closes when water is present to prevent leaks

This automatic air vent is essential for maintaining optimal efficiency in hydronic heating systems by eliminating air pockets that can cause noise, reduce heat transfer, and lead to pump cavitation. The FV147A is suitable for residential and commercial applications including boiler systems, radiant floor heating, and baseboard heating installations.