When choosing a new dishwasher or kitchen sink faucet, the most important considerations are compatibility with your existing plumbing connections, water efficiency, build quality, and how the installation will be handled. Getting the appliance or fixture right is only half the job — a proper, code-compliant install ensures it performs as intended and doesn’t create leaks or drainage problems down the road.

Choosing a Kitchen Sink Faucet

Faucet selection starts with your sink. Count the number of holes in your sink deck — faucets come in single-hole, three-hole, and four-hole configurations. A widespread faucet needs three or four holes; a single-handle faucet typically needs one. If you want to add a soap dispenser or side sprayer, you’ll need additional holes for those. Swapping in a faucet that doesn’t match your sink’s hole configuration means either changing sinks or using escutcheon plates to cover unused holes.

Beyond fit, look at the valve cartridge quality. Ceramic disc cartridges outlast ball and compression styles significantly and resist the mineral wear that Denver’s hard water accelerates. Brass bodies hold up better than zinc alloy over time. Brushed finishes — nickel, bronze, matte black — tend to hide water spots better than polished chrome in hard water areas. If your water has high mineral content, a faucet with a removable aerator (easy to clean or replace) is a practical feature to prioritize.

Choosing a Dishwasher

Standard dishwashers are 24 inches wide; compact models run 18 inches. Measure your cabinet opening before shopping — the actual tub size affects rack layout and loading capacity more than the exterior dimensions. Check that the new unit’s drain hose, water supply line, and electrical connections align with what’s already roughed in under your sink. Most dishwashers need a 120V dedicated circuit, a hot water supply line, and a drain connection to the disposal or sink drain with a high loop or air gap.

Energy Star certified dishwashers use less water and electricity per cycle — a meaningful savings over the lifetime of the appliance. Soil sensors that adjust water use based on load dirt level are especially efficient. Stainless steel tubs dry better and are more durable than plastic. Noise ratings (measured in decibels) matter more than many buyers expect, especially in open floor plans — units rated under 45 dB are considered quiet.

Water Pressure and Supply Considerations

Both faucets and dishwashers perform best within a specific water pressure range — typically 20 to 80 psi. Denver-area homes on municipal supply usually fall within that range, but older homes or those at the end of a supply line can run low. If you notice weak flow at your faucet or the dishwasher takes an unusually long time to fill, it’s worth having your pressure checked before attributing the problem to a new fixture or appliance.

What to Expect During Installation

  • Shutting off the water supply and verifying drain clearances
  • Inspecting existing supply lines and replacing flex lines if they’re older braided-steel types
  • Checking and adjusting the drain air gap or high loop for dishwashers
  • Testing for leaks at all connection points
  • Running a test cycle and confirming proper drainage

When to Call Done! Instead of DIY

Swapping a like-for-like faucet is a manageable DIY project for many homeowners. But if you’re changing faucet configurations, adding a new dishwasher where none existed before, or dealing with corroded shutoff valves that won’t close cleanly, professional help is worth it. A plumber can also address any underlying issues — slow drains, aged supply lines, low pressure — that become visible when you pull out the old fixture.

Done! handles all kitchen plumbing from faucet swaps to full dishwasher installs. Visit our kitchen and bath plumbing page to schedule service, and check out water pressure services if you’ve noticed flow issues at your sink or appliances.