





🔥 Elevate your heating game with silent, sleek, and sturdy steam control!
The Midline Valve HBW-4B18-5 is a chrome-plated steel steam air vent designed for quiet, efficient air balancing in heating systems. Its compact 2x1x1 inch angle mount fits tight spaces, while its float-type vent automates air release without noise or manual effort. Built to withstand up to 10 psi with rust and corrosion resistance, it ensures secure, leak-free operation for professional-grade heating performance.





| Material | Steel |
| Brand | Midline Valve |
| Item dimensions L x W x H | 2 x 1 x 1 inches |
| Exterior Finish | Chrome,Steel |
| Inlet Connection Size | 0.13 Inches |
| Inlet Connection Type | National Pipe Tapered |
| Outlet Connection Type | MNPT |
| Maximum Operating Pressure | 5 Pound per Square Inch |
| Number of Ports | 2 |
| Outlet Connection Size | 0.13 Inches |
| Manufacturer | Midline Valve |
| UPC | 804595435410 |
| Part Number | HBW-4B18-5 |
| Item Weight | 14.4 ounces |
| Product Dimensions | 2 x 1 x 1 inches |
| Item model number | HBW-4B18-5 |
| Size | 2 cubic inches |
| Color | Chrome |
| Style | #4 Heat Angle Mount |
| Item Package Quantity | 1 |
| Batteries Required? | No |
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