Many of the accessories are sold under the ao smith label with identical part numbers to the takagi counterparts.
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.
Rinnai tankless water heaters are designed to provide maximum performance and efficiency using either a 3 4 or 1 2 gas line as long as sufficient gas flow is available.
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.
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.
Atlanta tankless water heaters 27 769 views 3 25 upgrading to a truma endless hot water heater aquago comfort install for rv living full time duration.
There is a lot of extra cost in potentially upgrading the gas line and new venting.
Gas is so cheep now that even if a tankless had 30 decrease in gas costs you would only save about 100 a year.
Camplux pro 1 58 gpm tankless propane water heater outdoor propane gas water heater with portable handle portable gas water heater for camping cabins white 4 3 out of 5 stars 67 139 99 139.