Water heater plumbing diagram

Is it better to have two water heaters or one big one?

Keep in mind that you only heat the water you use , so a bigger tank by itself won’t have much more cost unless you draw more water from it and therefore have to heat more – IOW, keeping it hot isn’t a big thing, and the standby losses of one big one would be less than two smaller ones .

How do you plumb two water heaters?

Ideally you want 50% from each heater , otherwise one heater will run out of hot before the other heater , and begin to add cold water to the line. If water heaters are different size (different heights), then measure pipes and install so both pipes are same length to the point where they meet.

What type of pipe is used for water heaters?


Do I need 2 water heaters?

Supply distance. If you have fixtures or appliances located some distance apart, it may be advisable to install two or more point-of-use on-demand water heaters to avoid unnecessary energy losses and prolonged delivery times.

Can a house have two water heaters?

Greater efficiency can be achieved by installing multiple , smaller tankless water heaters throughout the home. Hot water is then drawn from nearby tankless appliances instead of being lead through the home’s entire plumbing system from basement to point-of- use .

Are 2 80 gallon water heaters better than 80 gallon?

The advantage of TWO heaters is that you get twice the recovery rate, since EACH one will heat water at the same rate as the single 80 gallon one will.

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How do I get more hot water out of my water heater?

If you are unable to get the amount of usable hot water needed out of your plumbing system, installing Tank Booster on your existing water heater can double the amount of usable hot water . The Tank Booster is a thermostatic mixing valve that mixes hot and cold water together to deliver the desired output temperature.

Can you add a tankless water heater to an existing system?

One solution that is often recommended by plumbers is the installation of an electric tankless water heater booster which can fit right onto your existing gas or electric tank -style water heater or be mounted nearby on a wall.

Can I use flexible pipe for water heater?

Corrugated Water Heater Hoses . SharkBite offers both braided and corrugated flexible water heater hoses with or without ball valves. Check your local plumbing codes to see if hard piping to your water heater is required. Stainless Steel corrugated connectors can be used as an alternative to hard piping .

Can I connect PEX to my water heater?

Can I Connect PEX to My Water Heater ? PEX can ‘t be directly connected to a water heater . from your water heater and connect the PEX to the pipe.

Can I install a water heater myself?

Most codes or ordinances allow a homeowner to install their own water heater , and some jurisdictions allow unlicensed individuals to install water heaters , but they still must pull a permit and have it inspected for safety.

Why is PEX plumbing bad?

PEX failures Piping fails when the pipes are exposed to chlorine that is within the water, exposure to direct sunlight before its installation. Furthermore PEX pipe is vulnerable when it comes in contact with such solutions as petroleum products and oxygen. It can leach toxic chemicals from pipe material also.

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Does a hot water heater have to be perfectly level?

New water heaters or water heaters that are placed on an un- level surface, need to be leveled and shimmed for them to work properly. Shimming must ideally be done before the pipes are hooked up to the water heater . This will avoid unnecessary strain on the joints once they are set in place.

Should I use Teflon tape on water heater supply lines?

Use Teflon tape (but not pipe dope ) on the male threads entering flex-connectors. If you sweat-solder, be sure to do this before installing the flex-connectors, as the heat from soldering would damage the connector gaskets. Thermoplastic pipe . Flex-connectors are not necessary with CPVC or PB plastic pipe .