Water Heaters Only: Local Plumbing Company Serving South San Francisco, CA 94080
South San Francisco, CA 94080
What the Company Handles
- Plumbing installation or replacement
- Water heater installation
- Hot water recirculation pump installation
- Plumbing repair
- Plumbing inspection
- Hot water recirculation pump repair
Meet the Team
Since 1968, Water Heaters Only has provided specialized water heater service to South San Francisco and the Bay Area. Founded on the principle that focusing solely on water heaters leads to better expertise, our technicians are trained specifically for installation, repair, and maintenance of all water heater types. We answer our phones 24/7, 365 days a year, with no extra charge for evenings or weekends, because we know water heater problems can't wait. With over 1.2 million units serviced, our commitment is to make the process straightforward, affordable, and backed by strong guarantees on both our workmanship and the products we install. We serve residential, commercial, and restaurant clients with reliable hot water solutions.
Q&A
What is a hot water recirculation pump and why would I need one?
A hot water recirculation pump keeps hot water moving through your pipes, so you get hot water at the faucet almost instantly. This is especially valuable in larger South San Francisco homes where you might wait a long time for hot water to reach a distant bathroom, saving both water and energy. Our specialists can assess your plumbing layout and recommend a system that fits your home's needs, handling the full installation or repair of existing pumps.
My water heater is making noise or not heating properly. Could hard water in South San Francisco be the cause?
Absolutely. Hard water is common in our area and causes mineral scale to build up inside your water heater tank. This sediment reduces efficiency, causes rumbling noises, and can lead to premature failure. During a service visit, our technicians can diagnose hard water damage, perform maintenance to flush the tank, and discuss solutions like water softeners or tankless systems that are less susceptible to scaling, helping extend your unit's life.
Do you offer inspections for plumbing or water heaters?
Yes, we provide thorough plumbing inspections. This service is a great way to catch small issues—like a minor leak, a failing pressure relief valve, or early signs of corrosion from hard water—before they turn into major problems or an emergency replacement. Our inspection is detailed and honest, giving you a clear understanding of your system's condition and any recommended actions, with no pressure to proceed with unnecessary work.
Business Location & Hours
| Mon: | Open 24 hours |
| Tue: | Open 24 hours |
| Wed: | Open 24 hours |
| Thu: | Open 24 hours |
| Fri: | Open 24 hours |
| Sat: | Open 24 hours |
| Sun: | Open 24 hours |






















