2-Pack 3/4" Automatic Air Vent Bleed Valve – Brass Radiator

China Mainland

$58.22

$58.22 $72.18

2-Pack 3/4" Automatic Air Vent Bleed Valve – Brass Radiator

$58.22

$58.22 $72.18

Shipping calculated at checkout.

Keep your heating system running at peak efficiency with this 2-Pack Automatic Air Vent Bleed Valve. Designed for effortless installation on standard 3/4 inch radiators, these durable brass valves automatically purge trapped air from your heating circuit — no plumber required. Whether you have a radiator, boiler, or underfloor heating distributor, these versatile vents ensure your system runs smoothly and energy-efficiently all season long.

Made in Mainland China.

Why Choose This Automatic Bleed Valve?

Tool-Free, Hassle-Free Installation: Fits any standard 3/4 inch threaded radiator. DIY-friendly setup — no specialist tools or professional help needed.
Automatic Air Removal: Continuously vents trapped air from your heating system without manual intervention, keeping radiators warm from top to bottom.
Built-In Leak Prevention: Swelling discs expand on contact with water, creating a reliable seal that guards against leaks and protects your flooring and walls.
Improved Energy Efficiency: Eliminating air pockets allows hot water to circulate freely, so your boiler works less hard and energy bills stay lower.
Wide Compatibility: Suitable for radiators, boilers, and underfloor heating manifolds — a truly versatile upgrade for any central heating system.
Convenient Shut-Off Cap: A built-in cap lets you quickly pause the automatic venting process whenever you need to perform maintenance or make adjustments.

Specifications

Product	Automatic Bleed Valve (2-Pack)
Thread Size	3/4 Inch
Material	Brass
Color	Silver + White
Battery Required	No
Wireless	No
Origin	Mainland China

Package Contents

2 × Automatic Radiator Vent Valves (3/4 Inch)

Please Note: On-screen colors may vary slightly due to monitor settings. Allow for minor measurement tolerances.

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For general guidance on home heating system maintenance and energy efficiency, visit the U.S. Department of Energy – Home Heating Systems resource page.

Learn more: Drain-waste-vent system

Frequently Asked Questions

Q: What size thread does this automatic bleed valve require?

A: This automatic air vent valve is designed for the standard 3/4 inch thread found on most radiators, boilers, and underfloor heating manifolds. Before purchasing, verify your radiator's thread size to ensure compatibility.

Q: Do I need a plumber to install this automatic radiator vent valve?

A: No specialist is required. The valve is engineered for straightforward DIY installation. Simply thread it into the 3/4 inch port on your radiator and it begins working automatically. The built-in shut-off cap gives you full control whenever maintenance is needed.

Q: How does the automatic bleed valve prevent leaks?

A: The valve features swelling discs that expand on contact with water, forming a tight seal around the valve seat. This design minimizes the risk of water leakage, keeping your heating system and surrounding areas protected.

Q: Is this valve compatible with underfloor heating systems?

A: Yes. In addition to standard radiators and boilers, this 3/4 inch automatic air vent valve is fully compatible with underfloor heating distributors, making it a versatile solution for a wide range of central heating setups.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.