Pride Plumbing came out and performed the following work: 1) replaced a kitchen sink faucet with a new customer supplied single-handle model with a pulldown sprayer (this included removing the old faucet, mounting the new faucet, and replacing the hot and cold above-floor water supply lines underneath the sink with new braided stainless steel one); 2) replaced the filter inside a whole-house water filtration system; 3) performed a descaling service on a Navien tankless water heater (this included cutting the power off to the unit from the breaker along with cutting off the water, mixing a bucket of water with Rectorseal Calci-Free Tankless Water Heater Flush, letting it run through the unit for about 45 minutes to an hour, flushing the heater with just water, and then reattaching the unit's skirt); and 4) replaced a leaking outside hose bib spigot with a new Woodford 19PX-4 frost-free model, tying it into the existing main water supply line underneath the house with new PEX pipe.