Rico in Spanish means rich in English just if your talking about money. If your talking about food rico means it's delicious, good, etc. Example, esto huele rico mean this smell good or  que Rica la comida means like delicious food in English. Puerto Rico means Rich Port in Spanish.
Tankless or demand-type water heaters heat water directly without the use of a storage tank. Heat pump water heaters move heat from one place to another instead of generating heat directly for providing hot water. Solar water heaters use the sun's heat to provide hot water.
1. Turn off the main water valve at the meter. 2. Cut into the existing waterâsupply pipes attached to the old water heater. 3. Remove the old water heater and mount the new tankless heater to the wall. 4. Run threaded iron pipe from the outdoor propane tank to the heater; tighten all connections with a pipe wrench. 5. Use a union fitting to connect the threaded gas pipe to the heater.