---
product_id: 284915837
title: "McAlpine 1-1/2\" Bath Space Saver Bath Waste Trap Self Closing Valve WV-1"
brand: "mcalpine"
price: "$451174"
currency: COP
in_stock: true
url: https://www.desertcart.co/products/284915837-mcalpine-1-1-2-bath-space-saver-bath-waste-trap
store_origin: CO
region: Colombia
---

# self-closing valve tech 40mm compact size easy clean removable membrane McAlpine 1-1/2" Bath Space Saver Bath Waste Trap Self Closing Valve WV-1

**Brand:** mcalpine
**Price:** $451174
**Availability:** ✅ In Stock

## Summary

> 🚿 Upgrade your bath setup with space-saving, odor-blocking genius!

## Quick Answers

- **What is this?** McAlpine 1-1/2" Bath Space Saver Bath Waste Trap Self Closing Valve WV-1 by mcalpine
- **How much does it cost?** $451174 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/284915837-mcalpine-1-1-2-bath-space-saver-bath-waste-trap)

## Best For

- mcalpine enthusiasts

## Why This Product

- Trusted mcalpine brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Odor-Free Living:** Self-closing membrane seals out foul smells and sewer gases effortlessly
- • **Durable & Certified:** Stainless steel build with WELS and AS/NZS certifications ensures lasting quality
- • **Maintenance Made Simple:** Quick-clean removable plug and membrane—no pipe disassembly required
- • **Ventilation Without Hassle:** Built-in air intake eliminates need for secondary venting, simplifying plumbing design
- • **Maximize Under-Basin Storage:** Compact 75mm height frees up cabinet space for your essentials

## Overview

The McAlpine WV-1 Bath Space Saver Waste Trap features a compact 40mm diameter and 75mm height design that maximizes under-basin storage. Its innovative self-closing valve prevents foul odors and sewer gases from entering your home while allowing air intake to avoid negative pressure issues without secondary ventilation. Crafted from stainless steel and certified to WELS and AS/NZS standards, it offers easy maintenance with a removable membrane that cleans without pipe disassembly. Compatible exclusively with McAlpine products, this trap is a smart, durable solution for modern bathroom plumbing.

## Description

Mcalpine Bath Space Savers with SelfClosing Waste Valve 40mm WV1 Designed to allow full use of storage space below the basin within the cabinet or furniture The internal membrane opens under water pressure to allow discharge to flow freely and then closes to form a seal to prevent foul odour or sewer gas entering the building The valve allows air to be drawn into the discharge waste pipe when negative pressures occur and eliminates the need for secondary ventilation to the discharge pipework This allows for greater flexibility in the plumbing design The valve can be easily cleaned without having to disassemble the discharge pipework Simply remove the split pin at the front of the valve take out the plug and membrane and clean in hot soapy water Reassemble and relocate the split pin in the slot provided The WV1 selfcleaning waste valves have no water seal so can never dry out through evaporation or lack of use as the membrane seal remains closed WV1 Overall height 75mm Brand McAlpine Model No WV1 Product Diameter 40mm Product Length 75mm Product Type Bath Space Severs with SelfClosing Waste Valve Trap Application Basin and Bath Connection type 1 ½ BSP female inlet nut x 1½ universal compression outlet Colour White Pack Size 1

## Features

- Compatible only with McAlpine Products

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Mcalpine |
| Product Dimensions | 6.4 x 19 x 19 cm; 160 g |
| Item model number | WV-1 |
| Size | 40mm x 75mm |
| Material | Stainless Steel |
| Certification | WELS, AS/NZS 4020:2006, AS/NZS 3500.2:2018 |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 160 g |

## Product Details

- **Material:** Stainless Steel
- **Brand:** Mcalpine
- **Item dimensions L x W x H:** 6.4 x 19 x 19 centimetres
- **Exterior finish:** Stainless Steel
- **Inlet connection size:** 1.5 inches
- **Inlet connection type:** BSP
- **Outlet connection type:** Compression
- **Number of ports:** 2
- **Outlet connection size:** 1.5 inches
- **Specification met:** WELS, AS/NZS 4020:2006, AS/NZS 3500.2:2018

## Images

![McAlpine 1-1/2" Bath Space Saver Bath Waste Trap Self Closing Valve WV-1 - Image 1](https://m.media-amazon.com/images/I/51I6+WpDBkL.jpg)
![McAlpine 1-1/2" Bath Space Saver Bath Waste Trap Self Closing Valve WV-1 - Image 2](https://m.media-amazon.com/images/I/51vgiEAyAUL.jpg)

## Frequently Bought Together

- McAlpine 1-1/2" Bath Space Saver Bath Waste Trap Self Closing Valve WV-1
- McAlpine FLEXCON6 Flexible Fitting Universal Connector, White

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**Shop now:** [https://www.desertcart.co/products/284915837-mcalpine-1-1-2-bath-space-saver-bath-waste-trap](https://www.desertcart.co/products/284915837-mcalpine-1-1-2-bath-space-saver-bath-waste-trap)

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-01-26*