Description
Overview
The Honeywell VU52S2044 is a two-way fan coil valve engineered for reliable flow control in chilled water and hot water hydronic systems. With a 3/4″ sweat connection, a 5.0 Cv flow coefficient, and a normally open configuration, this valve delivers dependable performance in commercial fan coil unit applications. Its quick-opening characteristic provides fast, responsive flow modulation, making it ideal for zone control in hotels, office buildings, and multi-family residential projects.
Key Features
- Two-way, normally open valve configuration
- 3/4″ sweat (solder) end connections for easy copper pipe installation
- 5.0 Cv flow coefficient for accurate flow sizing
- 20 PSI maximum close-off pressure rating
- Quick-opening flow characteristic for fast system response
- Compatible with chilled water and hot water systems containing up to 60% glycol
- Brass body, brass stem, and brass seat for corrosion resistance and long service life
- Buna-N rubber plug/ball/disc for reliable sealing
- EPDM rubber packing for superior stem sealing and leak prevention
Materials of Construction
- Body: Brass
- Stem: Brass
- Seat: Brass
- Plug/Ball/Disc: Buna-N Rubber
- Packing: EPDM Rubber
Specifications
- Valve Type: Two-Way
- Connection Size: 3/4″
- Connection Type: Sweat (Solder)
- Flow Coefficient (Cv): 5.0
- Valve Action: Normally Open
- Maximum Close-Off Pressure: 20 PSI
- Flow Characteristic: Quick Opening
- Media: Chilled Water or Hot Water with up to 60% Glycol
Applications
- Fan coil unit (FCU) flow control in commercial and residential buildings
- Chilled water cooling systems
- Hot water heating systems
- Glycol-based hydronic systems (up to 60% glycol concentration)
- Two-pipe and four-pipe fan coil applications
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