Selecting plumbing fixtures is one of the most rewarding parts of designing a kitchen or bath — but it’s also one of the most technical. Between valves, finishes, warranties, water pressure, installation requirements, and quality differences between brands, it can quickly become overwhelming.

As a designer, I walk homeowners through this process every day. Below is a step-by-step guide to help you choose wisely, avoid costly mistakes, and understand how the plumbing fixture world actually works behind the scenes.

Why Purchasing Plumbing Fixtures Is More Complicated Than It Looks

Plumbing fixtures aren’t just the visible faucet or showerhead you fall in love with. Every piece requires internal components — valves, cartridges, drain assemblies, trim sets — that need to be ordered correctly and installed at the right point during construction.

That’s why I recommend purchasing through a certified plumbing supply house, especially in New England. Ferguson and FW Webb are excellent resources. They coordinate directly with your plumber and builder so the right valves, spec sheets, and rough-in materials arrive in time for rough plumbing.

A good plumbing salesperson is invaluable. This job involves:

understanding dozens of product lines
matching trim with compatible valves
tracking inventory and lead times
coordinating with plumbers and designers
catching errors before they become install-day disasters

Choose someone knowledgeable, organized, and responsive — it impacts your entire project.

THE SELECTION PROCESS

1. Start With the Most Visible Fixture

I always advise clients to begin with the sink faucet — especially the kitchen faucet or the main bathroom faucet. This fixture sets the tone for your entire space and is used dozens of times per day.

Once you select your main faucet, you can coordinate:

kitchen prep/bar faucet
bathroom tub/shower trim
powder room faucet
laundry or utility fixtures

This ensures your finishes, lines, and design language stay consistent throughout the home.

2. Decide Where to Purchase: Supply House vs. Online

Online shopping seems convenient, but there are important differences to understand.

Certified Plumbing Suppliers

✔ Higher-quality internal components
✔ Full product lines + compatible valves
✔ Coordinated orders with your plumber
✔ Warranties honored
✔ Access to expert support
✔ Fewer installation problems

Online Retailers + Big Box Stores

You may find the same looking fixture for less — but it is often manufactured specifically for retail and may have internal plastic components instead of brass or stainless steel.

Example:
A Kingston Brass faucet sold direct from the manufacturer for $489.95 may look very similar to a version at Home Depot for $260 — but the internal quality is not comparable.

Cheaper internal components often mean:

leaks
weak water pressure
loose handles
finish that wears quickly
costly plumber visits

If a lower-quality faucet leaks inside a wall, the long-term expense far exceeds what was “saved.”

And keep in mind…

Most plumbers only guarantee fixtures they purchase because they know the supply house will support them if something goes wrong. When homeowners buy online, plumbers usually will not warranty the installation.

If the space is lightly used (guest bath, rental unit), you may choose a lower-end fixture — but expect to replace it within a few years.

PRODUCT QUALITY + WHAT TO LOOK FOR

1. Internal Components Matter Most

The outside is what you fall in love with — but the inside determines how long it lasts. High-quality fixtures use:

solid brass bodies
ceramic disc cartridges
metal supply lines
durable finishes

Lower-end versions may use:

plastic cartridges
lightweight or mixed-metal bodies
lower-pressure flow
finishes that chip or tarnish

Ask your salesperson what each line uses internally.

2. Understand Market Trends and Performance

New product innovations hit the market constantly, but not all are tried-and-true.

A great example is the pull-down kitchen faucet. Early versions had reliability issues, and some inexpensive models still do. If you choose a pull-down style, research:

weight and counterbalance system
magnet strength
hose quality
user reviews
warranty details

Function matters as much as appearance — especially in a high-use area like the kitchen.

3. Selecting the Right Finish

Finishes are both aesthetic and functional:

Brass

Very on-trend
Available lacquered (will stay bright) or unlacquered (will patina over time)
Adds warmth and a traditional or European feel

Matte Black

Modern, bold, and sculptural
Be aware: some brands’ black finishes vary in sheen

Chrome

Classic, easy to clean, and usually the most durable

Nickel (Polished or Brushed)

Soft, elegant, timeless
Works beautifully in traditional and transitional homes

The most important rule: choose finishes that work with your cabinetry hardware, lighting, and overall home style.

TIMING + COORDINATION

Order Fixtures Early

Plumbing fixtures must be on the job site before rough plumbing, which is early in the construction timeline. Delays here slow down the entire project.

Your plumber needs:

rough-in valves
drain assemblies
technical spec sheets
installation instructions

Your designer and supply house work together to ensure everything arrives in the right order.

Selecting plumbing fixtures should be enjoyable. They really are the “jewelry” of your kitchen or bath. With the right guidance and a trusted supply house, you’ll end up with fixtures that perform beautifully and last for years.

If you’d like help navigating the selection process, comparing brands, or coordinating with your builder, I’d be happy to assist — just reach out anytime.

How to Purchase Plumbing Fixtures