---
product_id: 140265341
title: "McAlpine WHB-1 Wash Hand Basin and Bath Space Saver with Self-Closing Waste Valve."
brand: "mcalpine"
price: "B/.111"
currency: PAB
in_stock: true
category: "Mcalpine"
url: https://www.desertcart.com.pa/products/140265341-mcalpine-whb-1-wash-hand-basin-and-bath-space-saver
store_origin: PA
region: Panama
---

# Self-closing valve reduces water waste Compact 58x190x190 mm space-saving design Waterless trap with membrane seal blocks odors McAlpine WHB-1 Wash Hand Basin and Bath Space Saver with Self-Closing Waste Valve.

**Brand:** mcalpine
**Price:** B/.111
**Availability:** ✅ In Stock

## Summary

> 🚿 Save space, save water, and breathe fresh with McAlpine’s smart basin trap!

## Quick Answers

- **What is this?** McAlpine WHB-1 Wash Hand Basin and Bath Space Saver with Self-Closing Waste Valve. by mcalpine
- **How much does it cost?** B/.111 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/140265341-mcalpine-whb-1-wash-hand-basin-and-bath-space-saver)

## 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

- • **Space-maximizer:** Ultra-compact design fits perfectly in small bathrooms and cloakrooms without compromise.
- • **Durable & hygienic:** Robust build ensures long-lasting performance with minimal maintenance.
- • **Odor-free freshness:** Innovative waterless trap with membrane seal keeps foul smells and sewer gases out.
- • **Eco-smart water saver:** Self-closing waste valve seals tight to cut water waste and boost efficiency.
- • **Flexible plumbing fit:** Valve allows air intake during negative pressure for versatile installation options.

## Overview

The McAlpine WHB-1 is a compact wash hand basin space saver featuring an integrated self-closing waste valve that minimizes water waste. Its waterless trap with a membrane seal prevents odors and sewer gases, while the valve design allows air intake during negative pressure for flexible plumbing. Ideal for small bathrooms and cloakrooms, it combines durability with hygienic performance in a sleek, space-efficient form.

## Description

Compact anti-odor trap with self-closing valve and horizontal outlet, offering flexible plumbing design and hygienic, durable solution for cloakrooms and basins.

## Features

- McAlpine WHB-1 wash hand basin space saver with integrated self-closing waste valve.
- Self-closing waste valve seals when not in use to reduce water waste.
- Valve design allows air intake during negative pressure, offering greater flexibility in plumbing design.
- Compact space-saver design ideal for small bathrooms and cloakrooms.
- Waterless trap design with membrane seal prevents foul odour and sewer gas.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07N12KLRV |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 172,461 in DIY & Tools ( See Top 100 in DIY & Tools ) 448 in Traps |
| Colour | White |
| Customer Reviews | 4.5 4.5 out of 5 stars (351) |
| Date First Available | 22 Jan. 2019 |
| Guaranteed software updates until | unknown |
| Included Components | 1 x WHB-1 |
| Item Package Quantity | 1 |
| Item Weight | 110 g |
| Item model number | WHB-1 |
| Manufacturer | Mcalpine |
| Part Number | WHB-1 |
| Product Dimensions | 58 x 190 x 190 cm; 110 g |
| Size | 1 & 1/4" |

## Images

![McAlpine WHB-1 Wash Hand Basin and Bath Space Saver with Self-Closing Waste Valve. - Image 1](https://m.media-amazon.com/images/I/51U8C6F9mDL.jpg)
![McAlpine WHB-1 Wash Hand Basin and Bath Space Saver with Self-Closing Waste Valve. - Image 2](https://m.media-amazon.com/images/I/21rmLaXAi6L.jpg)
![McAlpine WHB-1 Wash Hand Basin and Bath Space Saver with Self-Closing Waste Valve. - Image 3](https://m.media-amazon.com/images/I/310c3GNcQZL.jpg)
![McAlpine WHB-1 Wash Hand Basin and Bath Space Saver with Self-Closing Waste Valve. - Image 4](https://m.media-amazon.com/images/I/51e6mN9JxaL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: When should I use an anti-syphon or resealing trap?**
A: Generally, the waste pipe or discharge pipe from an appliance is beyond the limitations of an unvented waste pipe. Usually more critical on the basin and bidet Wastes.

**Q: What is the difference between an anti-syphon trap and a re-sealing trap?**
A: A re-sealing is designed to allow air to pass through the water seal under negative pressure but will retain sufficient water. An anti siphon trap has a small mechanical valve which opens under negative pressure.

**Q: Why does water not run away in my shower?**
A: If it is not due to the obvious reason of a blockage caused by a buildup of debris, the problem could be due to back pressure within the discharge pipe.

**Q: What is the maximum thickness of bath that your bath fillers can be installed on?**
A: The maximum thickness of the bath is 20mm and unfortunately, we do not make an extension ferrule to extend that length.

## Frequently Bought Together

- McAlpine 1-1/4" Self Closing Space Saver Basin Waste Trap WHB-1 | Compact Anti-Odour Trap for Cloakrooms & Basins | Horizontal Outlet | Hygienic, Durable Design
- Wirquin 39007001 Overflow set for washbasins, flexible
- Wasserrhythm Pop up Basin Waste Slotted Click Clack Plug with Overflow Pop-up Bathroom Sink Waste Chrome 304 stainless steel

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**Shop now:** [https://www.desertcart.com.pa/products/140265341-mcalpine-whb-1-wash-hand-basin-and-bath-space-saver](https://www.desertcart.com.pa/products/140265341-mcalpine-whb-1-wash-hand-basin-and-bath-space-saver)

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*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-09-02*