HUM Water in/out Valve Calcite Filter 2 Cubic Foot
HUM Water in/out Valve Calcite Filter 2 Cubic Foot
Part Number: WD CFN20
Replacement valve component designed to control flow and support proper operation of compatible water treatment systems.
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The HUM Water In/Out Valve Calcite Neutralizing Filter 2 Cubic Foot is a whole-home acid neutralizing filter designed to help raise the pH of acidic water and reduce the corrosive effects low-pH water can have on plumbing, fixtures, and appliances.
Filled with 2.0 cubic feet of calcite media, this system helps neutralize acidic water naturally while operating without electricity or a drain connection, making it a simple and low-maintenance solution for residential well water applications.
Key Features
• Designed to raise low pH acidic water
• Helps reduce corrosive water conditions
• Uses natural calcite neutralizing media
• No electricity required
• No drain connection required
• Simple in/out valve design
• Low-maintenance whole-home filtration system
Helps Neutralize Acidic Water
Acidic water can contribute to:
• Blue-green staining
• Pipe corrosion
• Metallic taste
• Pinhole leaks
• Premature wear on plumbing fixtures and appliances
The calcite media slowly dissolves into the water supply to help increase pH and reduce corrosive conditions throughout the home.
Simple Non-Electric Operation
This neutralizing filter operates without power and does not require a drain connection, making installation and maintenance simpler compared to many other treatment systems.
Whole Home Protection
Installed at the point of entry, this system helps protect:
• Plumbing systems
• Water heaters
• Appliances
• Fixtures and faucets
• Pipes and valves
Specifications
• Product Number: WD CFN20
• System Type: Acid Neutralizing Filter
• Media Volume: 2.0 Cubic Feet
• Media Type: Calcite
• Application: Raising pH of acidic water
• Power Requirement: None
• Drain Connection Required: No

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FAQs
How do I cancel or edit an order?
How do I cancel or edit an order?
Unfortunately, we cannot cancel orders due to a change of mind. However, we understand that mistakes happen. If you need to edit your order information, such as the delivery address or contact number, please contact our customer service as soon as possible.
Here’s what you can do:
- Contact our customer service via email address, or Live Chat.
- Have your order number ready when contacting customer service.
- We cannot guarantee changes to orders after 24 hours of placement. This is because orders may be processed once received
How can I track my order?
How can I track my order?
You can track your order by checking the shipping confirmation email, which contains a tracking number and a link to the courier's website. Alternatively, log in to your account on our website, navigate to "My Orders," and click on the tracking link provided for your order.
What if there is a problem with my order?
What if there is a problem with my order?
If there is an issue with your order, please contact our customer service team as soon as possible. You can reach us via email, phone, or through the contact form on our website. Provide your order number and a brief description of the problem so we can assist you quickly.
I didn't receive all off my order?
I didn't receive all off my order?
If part of your order is missing, please check the shipping confirmation email to see if the items were sent separately. If all items should have arrived together or if you have concerns, contact our customer service team with your order number. We’ll investigate and resolve the issue promptly.

