# Manual air vent key 1/2" Perfexim A417/4206 (MPN 20-401-0150-000)

**URL:** https://aio.lv/en/product--perfexim-20-401-0150-000--11700196
**Data updated:** 2026-03-08 08:46 (EET)
**Category:** Heating Radiators
**Manufacturer:** Perfexim
**Manufacturer code:** 20-401-0150-000
**EAN:** 5902626204945
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 3.99 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 3.30 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--perfexim-20-401-0150-000--11700196

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

Manual air vent key by Perfexim, model A417/4206 with 1/2" connection. Designed for manual bleeding of radiators, heating systems and plumbing fittings to release trapped air. Compact key-style tool suitable for service, maintenance and installation tasks where controlled venting is required. Supplied under MPN 20-401-0150-000 and identified by EAN 5902626204945.

## Long description

Manual air vent key 1/2" Perfexim A417/4206 is a compact hand tool designed for controlled bleeding of radiators, heating circuits and plumbing fittings with a 1/2" vent connection. The key-style design provides precise manual control when releasing trapped air from systems, helping to restore efficient water circulation and reduce noise in heating installations. The tool is suited for service technicians, installers and maintenance personnel who need a simple, reliable method to open and close manual air vents.
Advantages
The tool offers a compact, easy-to-handle form factor that fits common 1/2" manual vents and radiator air valves. Its simple key design enables one-handed operation and precise control during venting, reducing the risk of over-opening. The robust construction ensures durability for repeated use during installation and routine maintenance. Because it is dedicated to manual venting tasks, it avoids the need for improvised tools and helps ensure consistent results.
Suitable for
 Bleeding radiators and convectors in residential and commercial heating systems
 Removing trapped air from hot-water central heating circuits
 Servicing plumbing fittings with 1/2" manual air vents
 Installation and commissioning tasks where controlled manual venting is required
Key specifications
 Connection size: 1/2" compatible with standard manual air vents
 Tool type: manual key-style vent opener for radiator and plumbing vents
 Form factor: compact hand key for one-handed operation
 Material: durable construction suitable for repeated use (tool body)
 Intended use: manual bleeding of heating and plumbing systems
How to use
Place the key over the vent spindle or valve head and turn slowly in the direction required to open the vent. Allow trapped air to escape until water begins to appear, then gently close the vent by turning the key back until it is snug. Use a small container or cloth to catch any drips during the process. Operate the vent key carefully to avoid sudden full openings and check system pressure after venting to ensure correct operating levels.
Usage recommendations
Use appropriate safety precautions when working on pressurised heating systems: shut down the boiler or heating source if required, wear protective gloves and eyewear, and follow manufacturer guidance for system pressure and refilling. After venting, monitor the system for leaks and restore correct pressure before normal operation.

## FAQ

### How much does the Manual air vent key 1/2" Perfexim A417/4206 cost, and is it available for purchase?

The price is 3.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 17.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Perfexim products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Perfexim service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11700196/67083320_large.webp