Ensure the safety and longevity of your hydronic or closed-loop heating system with the Conbraco 37LF-202-01 Vacuum Relief Valve. This high-quality valve is designed to automatically admit air into your system when a vacuum condition occurs, preventing tank collapse, water siphoning and system damage.
Key Features
- Compact ¾″ threaded size, ideal for use in residential and commercial hydronic systems.
- Vacuum relief capacity of approximately 16 CFM and rated for up to 200 psi working pressure — providing robust protection under demanding system conditions.
- Bronze/lead-free construction with corrosion-resistant trim and reliable EPDM sealing materials — built for long term durability.
- Quick-responding mechanism automatically opens under vacuum conditions (less than ½ in. Hg) to allow air in and stabilize pressure.
- Proven brand: manufactured by Apollo Valves under the umbrella of Conbraco Industries — recognized for excellence in valve technology.
