---
product_id: 281703187
title: "Midline Valve HBW-4B18-5 Steam Air Vent #4 Heat Regulator Valve; Angle Mount; 1/8 in. NPT; Chrome Plated Steel (5 Pack)"
brand: "midline valve"
price: "513 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/281703187-midline-valve-hbw-4b18-5-steam-air-vent-4-heat
store_origin: RO
region: Romania
---

# Compact 2x1x1 inch design 1/8 in. NPT secure fitting Chrome-plated steel build Midline Valve HBW-4B18-5 Steam Air Vent #4 Heat Regulator Valve; Angle Mount; 1/8 in. NPT; Chrome Plated Steel (5 Pack)

**Brand:** midline valve
**Price:** 513 Lei
**Availability:** ✅ In Stock

## Summary

> 🔥 Elevate your heating game with silent, sleek, and sturdy steam control!

## Quick Answers

- **What is this?** Midline Valve HBW-4B18-5 Steam Air Vent #4 Heat Regulator Valve; Angle Mount; 1/8 in. NPT; Chrome Plated Steel (5 Pack) by midline valve
- **How much does it cost?** 513 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/281703187-midline-valve-hbw-4b18-5-steam-air-vent-4-heat)

## Best For

- midline valve enthusiasts

## Why This Product

- Trusted midline valve brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Silent Steam Mastery:** Balances air in heating systems with zero noise—no hissing, clicking, or banging disrupting your space.
- • **Space-Savvy Elegance:** Ultra-compact and sleek angle mount design fits perfectly in tight or decorative installations without compromise.
- • **Effortless Automation:** Float-type vent installs in seconds and automates air venting—no manual intervention needed, freeing your time.
- • **Leak-Proof Confidence:** Engineered for secure, leak-free connections that keep your heating system running flawlessly.
- • **Built to Last, Built to Impress:** Heavy-duty chrome-plated steel resists rust and corrosion, ensuring durability under max 10 psi pressure.

## Overview

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.

## Description

Midline Valve HBW-4B18-5 Steam Air Vent #4 Heat Regulator Valve; Angle Mount; 1/8 in. NPT; Chrome Plated Steel (5 Pack)

## Features

- Quiet PerFormance: these gorton Mini valves will balance the Air accumulation in your Heating Systems Smoothly and evenly, with No hissing, clicking, and banging
- Superior Quality: Heavy Duty chrome plated steel Construction; Rust Resistant; Corrosion Resistant; max Pressure 10 psi; max Operating Pressure 5 psi
- Compact design: features a neat, Elegant, and super dainty design, making it the Ideal choice for tight spaces and DecorativeApplications
- float type vent; Installs in seconds; automates your venting- No manual intervention Required
- Secure, Leak Free connection

## Technical Specifications

| Specification | Value |
|---------------|-------|
| 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 |

## Product Details

- **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

## Images

![Midline Valve HBW-4B18-5 Steam Air Vent #4 Heat Regulator Valve; Angle Mount; 1/8 in. NPT; Chrome Plated Steel (5 Pack) - Image 1](https://m.media-amazon.com/images/I/61UMkrMH24L.jpg)
![Midline Valve HBW-4B18-5 Steam Air Vent #4 Heat Regulator Valve; Angle Mount; 1/8 in. NPT; Chrome Plated Steel (5 Pack) - Image 2](https://m.media-amazon.com/images/I/619tZD7WEdL.jpg)
![Midline Valve HBW-4B18-5 Steam Air Vent #4 Heat Regulator Valve; Angle Mount; 1/8 in. NPT; Chrome Plated Steel (5 Pack) - Image 3](https://m.media-amazon.com/images/I/61Kh9fPUEML.jpg)
![Midline Valve HBW-4B18-5 Steam Air Vent #4 Heat Regulator Valve; Angle Mount; 1/8 in. NPT; Chrome Plated Steel (5 Pack) - Image 4](https://m.media-amazon.com/images/I/71EW8lOXH3L.jpg)
![Midline Valve HBW-4B18-5 Steam Air Vent #4 Heat Regulator Valve; Angle Mount; 1/8 in. NPT; Chrome Plated Steel (5 Pack) - Image 5](https://m.media-amazon.com/images/I/61bW+HreccL.jpg)

## Available Options

This product comes in different **Style** options.

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---

*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-22*