The McAlpine MACVALVE-4 is a high-performance self-closing waste valve, engineered to prevent unpleasant odors and sewer gases from entering your space. Its innovative design features an internal membrane that opens under water pressure for seamless waste discharge and automatically seals to block odors when not in use.

This versatile valve is suitable for both horizontal and vertical installations, offering flexibility for a wide range of plumbing setups. With universal 2-inch compression connections, it’s compatible with standard waste pipe systems and easy to install. Designed for hassle-free maintenance, the MACVALVE-4 is an ideal solution for residential and commercial applications.

Specifications Table

Key Features

• Odor Prevention: Automatically seals to block foul smells and gases from re-entering the building.
• Flexible Installation: Designed for both horizontal and vertical configurations, making it versatile for various plumbing layouts.
• Non-Return Valve: Prevents backflow or back pressure in waste systems, ensuring smooth operation.
• Universal Fit: 2-inch compression connections ensure compatibility with most standard waste pipe setups.
• Low Maintenance: The removable design makes cleaning and maintenance simple and efficient.
• Reliable Build: Constructed from high-quality plastic for durability and long-lasting performance.

The McAlpine MACVALVE-4 offers an effective, low-maintenance solution to improve hygiene and efficiency in plumbing systems, ensuring your home or business remains odor-free and safe from backflow issues. Perfect for modern waste systems where reliability and convenience are key.

At GetPlumb, we strive to provide reliable and cost-effective delivery options to our customers. Please review our shipping policy below.

🆓 Free Local Delivery (Orders £100 & above)

We offer FREE delivery on orders £100 or more
for selected local areas.

Eligible Postcodes Include:

• RG*
• SL*
• OX10*, OX11*, OX49*
• HP1*, HP3*, HP8*, HP9*, HP10*, HP11*, HP12*, HP13*, HP14*
• WD*, HA*, UB*, TW*, KT*
• W1* – W9*
• NW*, SW*

Delivery Time: 2–4 working days

Shipping Cost: £0.00

📦 Standard Shipping (Weight-Based Rates)

For orders that do not qualify for free delivery, standard
shipping rates apply based on total cart weight.

• For cart weight between 0–2 kg, the shipping cost is £4.50 with a delivery time of 2–4 working days.
• For cart weight between 2–24 kg, the shipping cost is £9.99 with a delivery time of 2–4 working days.
• For cart weight between 24 kg and above, the shipping cost is £60 with a delivery time of 2–4 working days.

🧱 Block Salt (Harvey’s) – Unit-Based Shipping

This rate applies only to Harvey’s block salt products.

• £7.99 is charged for every 3 items.
• The charge increases by £7.99 for each additional set of 3 items.

Examples:

• 1–3 items → £7.99
• 4–6 items → £15.98
• 7–9 items → £23.97

Delivery Time: 2–4 working days

📏 Large / Long Items (Length-Based Shipping)

For oversized items where the product length is 1.5 metres or more:

Conditions:

• Product length ≥ 1.5 m
• Cart weight ≤ 40 kg

Shipping Cost: £18.00 (flat rate)

Delivery Time: 2–4 working days

Collection from Store

Customers can also choose to collect their order from our store in
Reading, UK, at no additional charge. For any questions regarding shipping, please contact our support team at online@getplumb.co.uk.