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header-product McAlpine Air Admittance Valve 50mm HC48
26.49 €

McAlpine Air Admittance Valve 50mm HC48

McAlpine Air Admittance Valve HC48 Photo 1

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McAlpine Air Admittance Valve 50mm HC48

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Short 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.
Available for order: 1 pcs.
Warranty: 2 Years
SKU: 12719683
Manufacturer: McAlpine
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.99 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
09.11.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
12.11.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / DPD Paku skapis / Omniva LV / Latvijas Pasts pakomāts / Latvijas Pasts nodaļa
12.11.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.99 €
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Product information

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.

Description

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Product comparison

This overview compares McAlpine Air Admittance Valve 50mm HC48 against alternative plumbing components from the same manufacturer: the McAlpine AT7N-30 vertical extension pipe, the McAlpine AS7N-30 vertical extension pipe, and the McAlpine MRWMF90-32 washing machine and dishwasher connector elbow. While all products belong to the McAlpine brand, they serve entirely different functions within drainage and sewage systems. The primary difference is that the main product prevents water seal loss and foul odors by allowing air into the waste system during negative pressure, whereas the alternative items are designed for adjusting trap heights or routing appliance drainage.

⚙️ The specifications comparison table below details the product types, connection sizes, core functions, and structural differences of each item.

ParameterMcAlpine Air Admittance Valve 50mm HC48McAlpine AT7N-30McAlpine AS7N-30McAlpine MRWMF90-32Practical Significance
Product TypeAir admittance valveVertical extension pipeVertical extension pipeAppliance connector elbowEach component solves a distinct engineering task in plumbing and drainage installations.
Connection / Size50 mm3/2" x 40 mm, length 300 mmNot specified32 mmThese dimensions dictate physical compatibility with specific pipe diameters and trap connections.
Core FunctionPrevents water seal loss and blocks foul odorsAdjusts kitchen sink trap heightAdjusts washbasin trap heightProvides compact angled routing for appliance drainageThe valve protects against sewer gases, while the other components assist with physical pipe fitting and alignment.

◎ The suitability table below evaluates which user needs and installation scenarios are best met by each product.

Use CaseRecommended ProductWhy
Protecting drainage systems from negative pressure and odorsMcAlpine Air Admittance Valve 50mm HC48Specifically engineered to admit air into the waste system when negative pressure occurs, safeguarding water traps.
Fitting and adjusting kitchen sink drainageMcAlpine AT7N-30Ideal for modifying trap height in kitchen sink setups with its 300 mm length and 40 mm diameter.
Adjusting washbasin trap positioningMcAlpine AS7N-30Designed specifically for vertical extension requirements in washbasin installations.
Connecting washing machines or dishwashers in tight spacesMcAlpine MRWMF90-32Delivers a rigid 90-degree angled outlet to simplify hose routing and reduce strain behind appliances.
McAlpine Air Admittance Valve 50mm HC48 is fundamentally different from the other listed items because it operates as a protective pressure-regulating valve rather than a physical pipe extension or elbow. It is crucial for maintaining proper drainage airflow and stopping foul odors from entering living spaces. Choose the main product when you need plumbing ventilation and odor protection, whereas the AT7N-30, AS7N-30, and MRWMF90-32 models should be used strictly for physical pipe adjustments, height alignment, or appliance hookups.
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Customer reviews

Customer questions

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 09.11.2026 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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