Water Heaters Our Products Water Heaters Find a new or replacement water heater for your household needs. Looking for a new or replacement water heater? Water Doctors carries a variety of water heater brands, types, and sizes. Contact our experienced team for assistance finding the right new or replacement water heater. Brands We Offer: Energy Types: Natural gas, LP, electric Common Sizes: 40 gallon, 50, gallon, 75 gallon, tankless Call a water expert at (763) 535-1800 for help selecting the right system! Our water experts are here to help you select the right solution for your home. Need a Specialty Water heater? Call (763) 535-1800 for information on specialty water heaters not listed above.