Best Plumbing Supplies for DIYers and Professionals in 2025

The quality of your materials affects safety, longevity, and compliance. In 2025, the market has evolved to include smarter, more efficient solutions that save time, reduce waste, and streamline installations.

At Voomi Supply, we understand these evolving needs. That’s why we’ve curated one of the most extensive online selections of HVAC, electrical, and plumbing essentials available today. In this guide, we’ll cover the best plumbing supplies to help you complete projects quickly and confidently, with product recommendations that meet the demands of modern systems.

What Makes Plumbing Supplies Ideal for 2025?

Modern plumbing systems require materials that are:

• Easy to install without specialized tools

• Durable under varying temperatures and pressure

• Compliant with updated industry standards

• Reliable for both residential and commercial use

Essential Plumbing Supplies for Pros & DIYers in 2025

1. Parker Hannifin 777104 ZoomLock PUSH R410A Coupling

Perfect for HVAC professionals, the Parker Hannifin 777104 offers tool-free installation and instant, leak-free performance.

Key Benefits:

• Push-to-connect design eliminates brazing or flaring

• Safer working conditions, no open flames required

• Leak-free sealing tested to 700 psi

Ideal For: Residential air conditioners, heat pumps, mini-splits, and refrigeration lines. Its R410A optimization and 250°F max temp rating make it a powerhouse for high-pressure applications.

2. Southwark 106012 1060 Tee – 12" Galvanized Steel Fitting

This galvanized steel tee is designed for efficient airflow and long-lasting performance in duct systems.

Key Benefits:

• Durable 30-gauge construction

• Corrosion-resistant galvanized finish

• Domestic manufacturing quality by Southwark Metal MFG CO
  

Use Cases: Vital in HVAC ducting systems for both new installs and retrofits. It's especially useful for professionals working on custom layouts or upgrades.

3. Kohler 2972-KS-NA Thermostatic Rough-In Valve

A critical component for modern bathrooms, this Kohler thermostatic valve offers precise temperature control and a high flow rate of 10.9 GPM.

Why It’s a Top Pick:

• Factory-calibrated comfort at 104°F

• Flow consistency and safety

• Meets ASME and CSA certifications

Best For: Shower renovations or new luxury bathroom builds where comfort and code compliance are crucial. Combine it with a separate Kohler volume control for optimal results.

4. Johnson Controls JP13A000 Zone Valve Actuator

Professionals working with HVAC zoning systems will appreciate the JP13A000’s versatility and industrial-grade reliability.

Standout Features:

• Accepts 4-20mA and 0-10VDC input signals

• Operates at 24V, standard for most control panels

• UL Listed and CE Mark certified
  

Where It Shines: This actuator is compatible with Johnson Controls J Series and Erie VT Series valves and handles temps up to 200°F. It's a go-to solution for building automation systems in commercial spaces.

5. Watts 0556008 LF40XL-4 T&P Relief Valve

This lead-free T&P valve provides vital protection for commercial water heaters, combining robust construction with smart safety features.

Why Pros Love It:

• Automatic reseating feature and test lever for easy checks

• Certified to ASME, CSA, and ANSI standards

• Non-mechanical seat-to-disc alignment prevents sticking

Applications: Must-have for commercial hot water systems to prevent overpressure and ensure code compliance.

6. Watts 8142406 HY-420-CIA Hydrant Repair Kit

Hydrant leaks can cause major operational issues—this repair kit offers a quick, lasting solution.

Kit Includes:

• Vacuum breaker

• Loose key

• Complete internal assembly

Advantages:

• Frost-free design protects against winter damage

• Lead-free bronze ensures water safety

• Easy to install with minimal tools
  

Best For: Commercial and industrial building maintenance. This kit extends the lifespan of your wall hydrants significantly.

7. Mitchell Metal Products 926P3060 Drain Pan

Overflow prevention is essential for HVAC systems and this galvanized steel drain pan delivers.

Highlights:

• 30" x 60" size suitable for large units

• 22-gauge steel for rugged durability

• Includes steel nipple for simple drainage hookup

Use Case: An essential for any AC unit installation, especially where property protection and building code compliance matter.

Buying Plumbing Supplies: Tips

DIYers: Look for Ease of Use

Many new plumbing components, like the Parker Hannifin ZoomLock, are designed with no-tool installation in mind. This is perfect for homeowners who want to handle minor repairs or upgrades themselves.

Professionals: Prioritize Compatibility and Compliance

For larger-scale systems, such as HVAC zones or commercial heaters, products like the Johnson Controls actuator or the Watts relief valve ensure seamless integration with modern building standards.

Choose the Best Plumbing Supplies from Voomi

The best plumbing supplies in 2025 are those that combine efficiency, durability, and user-friendly design. Voomi is the great shop for HVAC, electrical, and plumbing supplies that get the job done right the first time.