You’ll thank yourself so many times over for choosing tankless water heating. Be aware that there will be a slight delay for the hot water to reach your fixtures and that the money saved in standby loss is offset by the more expensive cost of equipment, gas pipe, flue pipe and also materials.
Tankless water heaters generally need larger diameter gas source lines, higher voltage power source (if contemplating electric on-demand), dedicated – special stainless-steel flue or larger diameter exhaust system. Please take these things into consideration before you choose to DIY.
It is highly recommended that you use special union connector sets for the water source which use bypass capability. This will allow for easy, effortless de-liming maintenance procedure into the future.
Switch down main incoming water line to house.
Disconnect supply line from old water heater. You will likely have some water left in the line even though your main is still shut down. Place a bucket underneath water bib to catch any spills.
Disconnect heat source from old water heater as follows: for gas, (propane gas) ensure the supply valve is shut (this is usually based on the direction of the handle to the valve sitting in both the same direction as the line open, opposite the direction of the line closed. For and electric water heater, just disconnect the device from the wall socket.
Once you have completely disconnected the old water heater you must remove it from it’s present parking space and ensure to throw away it according to the laws in the area you live in.
Remove your new tankless water heater from the carton and set all hardware and instructional material close-at-hand.
Determine the location suitable for this appliance and ensure you’ve got allowed for the proper clearances around it to comply with all state and regional building codes.
Mount tankless heater on wall according to manufacturer’s directions, ensuring you have properly supported its weight.
Now you’re all set to hook up all the connections.
If you’ve gas, install ventilation ducting. Usually tankless water heaters needs larger flue pipe or special stainless-steel flue.
Get started the supply line water line.
Then should be the heat source. If your water heater makes use of electricity, connect it to the surface. If your water heater is gas, you will need to hook up a gas supply line from the stub at the wall to the new water heater.
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