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.
Can you hook up 2 hot water heaters together?
If tanks are different size or types ... and are not identical to each other, then connecting in series, or cold into both heaters (as shown above) are best choices. This means a 50 gallon gas and 30 gallon electric, or two different size gas, or 2 different size electric can be plumbed together without problem.
How do you parallel two water heaters?
https://www.youtube.com/watch?v=sI3ilYJN7WY
How do 2 hot water heaters work?
Simply stated, 2 water heaters installed in Series means cold water enters the first heater, often referred to as upstream, and travels through the second heater, referred to as downstream, on it's way to the demand point. ... Large volumes of water are heated and ready for the demand.
Can you put water heaters in parallel?
Why should I pipe in parallel? Piping in parallel allows you to use both heaters equally. It allows the system to act as one heater rather than independent. By drawing hot water out of both heaters equally, you are able to equalize the life of your heaters.
Why does my house have 2 hot water heaters?
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.Dec 29, 2016
Can a house have two hot water heaters?
Note: Both water heaters must be ON, and set to same temperature. If one heater is off, then it will add cold water to the line while other water heater supplies hot. This means a malfunction in one heater will impact hot water supply ... and a timer cannot be added to one heater but not the other.