How Do You Install A Tankless Hot Water Heater?
• CAUTION: Tankless water heaters generally require larger diameter gas supply lines, higher voltage power supply (if contemplating electric on-demand), dedicated – special stainless steel flue (known as Category II, III or IV) or larger diameter exhaust system. Please take these things into consideration before you decide to DIY. • It is highly recommended that you use special union connector sets for the water supply which employ bypass capability. This will allow for simple, easy de-liming maintenance process in the future. • Turn off main incoming water line to house. • Disconnect supply line from old water heater. You will probably have some water left in the line even though your main has been shut off. Place a bucket underneath water bib to catch any spills. • Disconnect heat source from old water heater as follows: for gas, (propane) make sure the supply valve is closed (this is usually determined by the direction of the handle to the valve sitting either in the same direction
