# McAlpine Air Admittance Valve 50mm HC48

**URL:** https://aio.lv/en/product--mcalpine-hc48--12719683
**Data updated:** 2026-10-09 04:14 (EEST)
**Category:** Other goods
**Manufacturer:** McAlpine
**Manufacturer code:** HC48
**EAN:** 5036484500533
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 26.49 €
**Prices and availability valid until:** 2026-11-30 23:59
**Price without VAT (21%):** 21.89 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mcalpine-hc48--12719683

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.11.2026 | free |
| Pickup points | 20.11.2026 | 1.99 EUR |
| Courier delivery to door | 20.11.2026 | 4.99 EUR |

## Summary description

McAlpine air admittance valve model HC48 with a 50mm connection designed for drainage and sewage systems. This plumbing component prevents the loss of water seals in traps by allowing air to enter the waste system when negative pressure occurs, effectively preventing foul odors from escaping into living spaces. Essential for modern sanitary installations, ensuring efficient and quiet operation of plumbing fixtures.

## Long description

The McAlpine Air Admittance Valve 50mm HC48 is an essential plumbing component designed specifically for modern drainage and sewage systems. This reliable device ensures the efficient and quiet operation of plumbing fixtures by introducing air into the waste system during instances of negative pressure. By doing so, it effectively prevents the loss of water seals in traps, which stops foul odors from escaping into living spaces and maintains a hygienic indoor environment.
Advantages
This air admittance valve provides a dependable solution for maintaining proper pressure balance within domestic and commercial drainage systems without the need for traditional open vent pipes penetrating the roof. Its precise engineering ensures quick response times to pressure fluctuations, thereby protecting water traps from being siphoned dry. Built to high manufacturing standards, the valve offers long-term durability and consistent performance, contributing to a safer and more odor-free plumbing setup.
Suitable for
Drainage and sewage systems in residential and commercial buildings
Sanitary installations requiring protection against negative pressure
Preventing trap seal depletion in various plumbing configurations
Systems where traditional roof ventilation is difficult or impractical to install
When it may not be suitable
This valve is not designed to act as a positive pressure relief device and should not be used in systems experiencing excessive positive pressure issues. It is also unsuitable for outdoor locations where it may be exposed to freezing temperatures or severe weather conditions without proper protection.
Key specifications
50mm connection size
Designed for drainage and sewage systems
Prevents loss of water seals in traps
Allows air entry during negative pressure
Ensures efficient and quiet plumbing operation
How to use
The valve must be installed in a vertical position within the waste and drainage system, ensuring that it is located above the flood level of the highest connected plumbing fixture. It requires unobstructed access for future inspection and maintenance as mandated by local plumbing codes. Installation should be performed by a qualified plumber using appropriate sealing methods to guarantee an airtight and secure connection to the 50mm pipework.
What to consider before purchase
Verify that the 50mm connection size matches your existing pipework
Check local plumbing regulations regarding the use of air admittance valves
Ensure adequate space is available for correct vertical installation
Confirm that the system requirements involve negative pressure relief
Always inspect the valve periodically to ensure proper functionality and freedom from dust or debris that could impede airflow. Ensure installation complies with all applicable local building and plumbing standards.

## FAQ

### How much does the McAlpine Air Admittance Valve HC48 cost, and is it available for purchase?

The price is 26.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 16.11.2026 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 McAlpine 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 McAlpine 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/12719683/70522610_large.webp