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Free Shipping in Selected Areas | Quality You Can Trust | Secure Checkout
Free Shipping in Selected Areas | Quality You Can Trust | Secure Checkout

McAlpine S31U MacValve Fitting 1.25" Straight Connector

SKU S31U
Save 19% Save 19%
Original price £3.29
Original price £3.29 - Original price £3.29
Original price £3.29
Current price £2.67
£2.67 - £2.67
Current price £2.67

Free Local Shipping

Free Local Shipping on orders over £100. Standard delivery to most UK postcodes within 2-3 working days. Express options available at checkout.

Contact Us

Give Us A Call +44 118 958 8882 Our team is here to help. We will provide expert advice on specifications, compatibility, and delivery options.

30-day Easy Return

30 days Easy Return — no questions asked. If you're not completely satisfied, send it back within 14 days for a full refund.

McAlpine S31U MacValve Fitting 1.25" Straight Connector – Secure & Hygienic Waste Connection

McAlpine S31U MacValve Fitting 1.25" Straight Connector is a high-performance plumbing fitting designed to provide a secure, leak-proof connection for 1.25" (32mm) waste systems. Featuring MacValve technology, this connector includes an integrated air admittance valve, preventing unwanted odors and siphonage while maintaining efficient drainage.

Product Purpose

The S31U MacValve Straight Connector is specifically designed to connect 1.25" waste pipes while incorporating a one-way valve system that eliminates the need for a traditional trap, reducing clogging and maintenance issues.

Product Specifications

  • Model: McAlpine S31U
  • Size: 1.25" (32mm)
  • Type: MacValve Fitting with Straight Connector
  • Material: High-quality polypropylene
  • Valve Mechanism: One-way air admittance valve
  • Standard Compliance: Meets UK and international plumbing regulations

Key Features

  • MacValve Technology: Integrated air admittance valve prevents siphonage and odors.
  • Straight, Secure Connection: Ensures a reliable and watertight fit for 1.25" waste pipes.
  • Trap-Free Design: Eliminates water traps, reducing blockages and maintenance.
  • Durable Polypropylene Construction: Chemical-resistant, corrosion-proof, and long-lasting.
  • Easy Installation: Push-fit mechanism allows for quick and hassle-free fitting.

Application

  • Ideal for basins, sinks, and compact plumbing systems.
  • Suitable for installations where a traditional trap is impractical.
  • Works as a hygienic, space-saving alternative to standard waste traps.

Performance & Reliability

The McAlpine S31U MacValve Fitting provides a highly efficient, low-maintenance waste solution by eliminating trap-related issues. Its robust design, integrated valve, and easy installation make it a trusted choice for professionals and DIY users.

Why Choose McAlpine?

McAlpine is a leading name in plumbing solutions, known for high-quality, innovative fittings that ensure efficiency, durability, and compliance with industry standards.

Conclusion

McAlpine S31U MacValve Fitting 1.25" Straight Connector is a cutting-edge, odor-free waste solution, offering a secure connection, reduced maintenance, and a hygienic alternative to traditional traps. Designed for efficiency and ease of use, this connector is an essential component for modern plumbing systems.

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.

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