40 Gallon water heater replacement New hot water heaters look as good as seeing the steam in the sink 🙂 A nice 75 Gallon water heater replacement 50 gallon water heater swap out. Out with the old. In with the new. 40 gallon water heater replacement. Brand new spiffy 100 gal water heater. 100 gallon water heater. 50 Gallon water heater. When your water heater needs to be replaced, Water Heaters Only will rush to your place! Whenever your water heater is acting up, Water Heaters Only is there to fix it up! 40-Gallon water heater 🙂 Want a big bath tub? Want to fill it with hot water? You will need this 🙂 Two is always better than one! Here is a photo of a job we recently did in the San Francisco area.