Tankless Water Heater With 1 2 Inch Gas Line

Takagi is now owned by ao smith.

Tankless water heater with 1 2 inch gas line. When at full power tankless units require between 120 000 and 199 000 british thermal units btu three to five times the heating capacity of a tank type water heater. I can not answer the 1 2 in question but having priced out a tankless hot water heater there is not any savings in the long term. There is a lot of extra cost in potentially upgrading the gas line and new venting. In many tank water heater replacement scenarios the gas line size must be increased from the typical 1 2 inch size to a 3 4 inch line.

Typically tank water heaters have their gas connection near the floor and the water lines near the ceiling with tankless the connections are all along the bottom face of the machine. Gas is so cheep now that even if a tankless had 30 decrease in gas costs you would only save about 100 a year. Many of the accessories are sold under the ao smith label with identical part numbers to the takagi counterparts. An undersized gas line can stress a tankless system and possibly reduce its lifespan all rinnai tankless water heaters are equipped with technology that safely ceases operation if they detect an inadequate gas flow.