• Find the Right Product

    Not sure which filter, gasket, housing, or replacement part fits your system? Send us your product details and our team can help point you in the right direction.

    Ask About a Product 
  • Water Testing & Recommendations

    If you are unsure what your water needs, Mermaid Water & Plumbing can help with water testing and recommend the best solution for your home.

    Schedule Water Test 
  • Installation & Service

    Need more than a replacement part? Our team provides water treatment and plumbing services across Northern Virginia.

    Visit Main Website 

Need Help Finding the Right Part?

Not sure which filter or part fits your system? Contact Mermaid Water & Plumbing and our team can help you find the right product.

Not Sure What You Need? Start With Testing

The fastest way to stop guessing is to test your water. We'll check the basics—hardness, staining minerals, odor sources, and other common issues—then walk you through the results and recommend options based on your home, your budget, and your goals.

Or give us a call at (703) 686-5931 to speak with our team.

Frequently Asked Questions

Do you offer water testing and service appointments?

Yes. If you are not sure what your water needs, Mermaid Water & Plumbing can help with water testing, recommendations, installation, and service options.

Where can I get help if I am not sure what to buy?

If you are unsure which replacement filter, gasket, housing, or water treatment part you need, contact Mermaid Water & Plumbing before ordering. Our team can help you choose the right product.

Are these filters and parts compatible with major brands and systems?

Many of our replacement filters and parts are designed to work with common water treatment and filtration systems. Please check the product details before ordering, and contact Mermaid Water & Plumbing if you are unsure which part fits your system.

How do I know which filter or part I need?

The best way to find the correct filter or part is to check your system model number, part number, size, or brand. If you are not sure, we recommend starting with a water test so we can understand your water quality and guide you to the right solution. Contact our team and we can help point you in the right direction.

Can I return a filter or part if it does not fit?

Return options may depend on the product condition and order details. Please contact Mermaid Water & Plumbing before returning an item so we can review the issue and help with the next steps.

What should I do if my order arrives damaged or missing parts?

If your order arrives damaged or missing parts, please contact us as soon as possible. Include your order details and photos of the damaged item so our team can help resolve the issue.