Hot water recirculating pump for tankless water heater

Q: Does a tankless water heater need a return line?

Always use a 3/4 line if you can. A 3/4 line can hold twice as much water as a 1/2 line which means you will get hot water even faster. ... .

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Can a recirculating pump be used with a tankless water heater?
Is a recirculating hot water pump worth it?
Can you put a recirculating pump on a Noritz tankless water heater?
Does a tankless water heater need a return line?

Can a recirculating pump be used with a tankless water heater?

Some tankless water heater models come with a recirculation pump, while others do not, mostly to reduce the cost of tankless water heaters for consumers. While they will work without one, purchasing a tankless water heater with an integrated recirculation pump is always recommended first.

Is a recirculating hot water pump worth it?

With the average national cost of water rising rapidly, a hot water recirculation pump could easily save you upwards of $50 each year. Since these pumps cost between $200 and $250 each, you could pay back the investment within a couple of years.

Can you put a recirculating pump on a Noritz tankless water heater?

Some homes have a pre-built loop that is ready to take advantage of a pump to work in conjunction with your water heater. If your home doesn't have a dedicated return line you can install this crossover valve at the furthest fixture of your home and take advantage of our NRCP(2019) crossover mode.