GPVL ProLine XE Power Vent Gallon Gas Water Heater.Though not very popular in North America, another type of water heater developed in Europe predated the storage. In London, England, in , a painter named .HPTU N Voltex Hybrid Electric Heat Pump Gallon Water Heater.Choose a water heater that will accommodate your household capacity..
Tank vs. Tankless. Average cost with installation Tank $. gallon tank Tankless $, .