5004-HX-C3 Heating Only Mixing Valve 5000 Series One Inch Union Sweat For Hydronic Heating Systems High Flow Up To 20 GPM 230 PSI Max Hot 120-180F Cold 39-80F

The 5004-HX-C3 is a 1" Union Sweat heating-only mixing valve designed for radiant heating systems. It delivers stable mixed water temperature for radiant slabs, over pours, or joist bay installations and supports multiple connection types for flexible installation.

✅ Cv: 2.3
✅ Max Flow: 20 GPM
✅ Min Flow: 1 GPM
✅ Hot Supply Temperature: 120-180°F (49-82°C)
✅ Cold Supply Temperature: 39-80°F (5-27°C)
✅ Maximum Inlet Pressure: 230 PSI
✅ Outlet Temperature Range: 85-175°F (29-80°C)
✅ Dimensions: 6.1" Height x 4" Lower Height x 5.4" Width
✅ Tamper-resistant cap, low headloss, outlet temperature strip

💡 What is a heating mixing valve used for in radiant heating systems?

A handy device that blends hot supply with cooler return water to produce a stable mixed water temperature for radiant systems.

• Radiant floor heating needs temperature control for comfort and efficiency
• Stable outlet temp helps protect flooring and equipment
• Be sure to match valve size and connections to your piping layout
• Easy to install with multiple connection options including union sweat