McAlpine Waste Valve - MACVALVE-1. Great for fitting horizontally or vertically. Perfect to stop s...McAlpine Waste Valve - MACVALVE-1. Great for fitting horizontally or vertically. Perfect to stop smells and backflow. With no water seal, it can never dry out through evaporation or lack of use, as the membrane remains sealed. The McAlpine Waste Valve 1.1/4" Uni Macvalve-1 is a plumbing fitting that is designed to control the flow of waste water from a sink or basin. The "Uni Macvalve-1" in the description refers to the specific model of the waste valve, which is manufactured by McAlpine, a UK-based company that specializes in plumbing and drainage products. The waste valve has a 1.1/4 inch inlet that is designed to be connected to the waste pipe from the sink or basin, and a valve mechanism that can be opened or closed to control the flow of waste water. The waste valve is designed to prevent foul odours and gases from entering the room by creating a water trap that seals the waste pipe. Overall, this type of waste valve is commonly used in plumbing applications where a sink or basin needs to be connected to a waste pipe. The McAlpine Waste Valve 1.1/4" Uni Macvalve-1 is made from high-quality materials and is designed to provide reliable performance over an extended period of time. Available in 1¼" and 1½" sizes, BSP female inlet nut x universal compression outlet. 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. Can be fitted in horizontal or vertical position. Can be fitted in installation where a non-return valve can be of benefit to the plumbing installation. Supplied with 1.25" 32mm Multi-fit one end.
This guide is for anyone using the McAlpine Waste Valve - MACVALVE-1, a plumbing fitting designed to prevent foul odors and backflow from sinks and basins. The key benefit is its reliable performance and ability to seal waste pipes, eliminating the need for a water seal that can dry out. Note that the valve is available in different sizes, so ensure you have the correct fitting for your needs.
All features
Model Part Number
MACVALVE-1
Brand
McAlpine
Extended Product Information
FAQs
What is the purpose of the McAlpine Waste Valve?
It is designed to control wastewater flow, prevent foul odors, and stop backflow from sinks and basins.
Can this valve be installed in any orientation?
Yes, it can be installed in either a horizontal or vertical position.
What size is the McAlpine Waste Valve - MACVALVE-1?
It is 1.1/4".
Does the valve require any special maintenance?
No, it requires minimal maintenance. Regularly check for any blockages.
What materials is this waste valve made from?
It is made from high-quality materials, ensuring reliable performance.
What happens if the valve fails?
If the membrane fails, it may allow odors or sewer gases to enter the room. If this occurs, replace the valve.
Where can I use this waste valve?
It can be used in sinks and basins in kitchens, bathrooms, utility rooms, or any location where a waste pipe is connected.
How long is the warranty?
The McAlpine Waste Valve - MACVALVE-1 comes with a standard warranty, as with most plumbing products. Contact your retailer for warranty specifics.
Troubleshooting
Foul odors are still present.
Check all connections for leaks. Ensure the valve is properly seated and that there are no obstructions in the waste pipe. Consider replacing the valve if the membrane is damaged.
Slow draining.
Check for any blockage in the waste pipe, the valve itself, or the connected plumbing. Clear any obstructions.
Leakage around the connections.
Tighten the compression fittings. Ensure the seals are correctly positioned and in good condition.
Pros and Cons
Pros
Effectively prevents foul odors and sewer gases.
Suitable for both horizontal and vertical installations.
Doesn't dry out, ensuring continuous protection.
Easy to install with universal compression outlet.
Reliable performance and durable construction.
Can be used where a non-return valve is beneficial.
Cons
Requires correct sizing for proper fit with your existing plumbing.
May require some plumbing knowledge for installation.
Potential for membrane failure over very long periods of time.
Setup, Compatibility & Care
Compatibility:
Ensure the 1.1/4" size is compatible with your waste pipe.
The universal compression outlet fits standard plumbing connections.
Installation:
Connect the inlet to the waste pipe from your sink or basin.
Ensure a watertight seal at all connections.
The valve can be fitted horizontally or vertically, offering installation flexibility.
Care:
No specific maintenance is required.
If you experience issues, check for blockages or debris.