You know what, most of us are familiar with water heaters and how much room they take up in our home and how costly they can be right. Well, Linda is the plumbing maven with Ben Franklin Plumbing and is here to explain how a tankless water heater actually works and you need to find out if it’s right for you.
I have already learned so much from you Linda, this is really cool. Now we’ve heard of them before, but you said that they’ve come a long way and they are here to stay. Yes, it’s like going from dial up to high speed internet, once people turn to tankless they don’t go back. Its’ awesome. There are a lot of benefits. Lets talk about them.
First of all this is what the system looks like. This is the size so if you think of your big water heater, which is about the size of this whole display, exactly it’s usually taller than us. And the new law that’s coming into play this spring is going to make those water heaters a little bigger even. No more water, but bigger, for energy efficiency. ok. So it’s really a great time to start thinking about, if you have to change do you want to go to a bigger size water heater, or is time to change to a smaller one?
Ok, this particular size that we’re looking at right here. About what size home and how do you determine the size of a tankless water heater. Yea, so it’s really important to size it correctly, there’s a lot of myths out there that people think that they don’t work that great. Most of the time it’s because they got the wrong size water heater for their home.
So what we do is we look at how many hot water spickets, could you turn on all at once. Could it be the washing machine, could it be the dishwasher, could it be a sink, could be a bathtub? So you want to make sure that you have the right size to make sure that all of those areas that turn on at once for hot water, you get hot water correctly. OK, so does it also depend on the size of the home and how many people live there? It could, if we know that we have more teenagers more people using a lot of hot water, yes we can size it properly, but most of the time it’s how many spickets. we want to make sure that every part of your tankless water turns on properly every time you open a spicket.
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OK, this is a typical size here for how many spickets. usually a 2-3 bathroom. Now this is just an example, but what does this do? This actually is the venting, this would be extended up through your roof. Because it’s important to vent out. This is a gas unit, there are great electrical units also, though I happen to have the gas. This here is intake, so you want air to go on in. You also need electric, we need to plug this into electric in order to make that switch work. So this is a panel here then?
So are we controlling the tankless water heater? You know it is, that’s your temperature valve and then we can also do a lot of different codes and stuff like that. Excellent. Now let’s take a look back down on here then, because this is a typical system here with the valves but what is this right here? This is a water treatment, a filter. So it’s very very important with tankless because they’re like a mini boiler, your water’s going to heat up super fast and when you already have hot water and then it heats up even faster, it turns into quadruple hardness. Right. So you must have a good water treatment system, so a good water filter, it could be a softner, it could be another type of water filter, it must reduce that hardness down before it goes through the heat exchanger.
OK, I know you sent me some pictures, I want to take a look at them, cuz this is a good indication of just…that right there is the tankless with a water system. Yes, water treatment system. That’s a big tank there! Well, the tank above it is small, so it’s on the wall, and then this next picture is just how you have a tankless without a water treatment system. So you can see that there are different sizes, so see how small that is. Yea! So some places, like on my own house, I put it outside next to my electrical box, looks like I have two electrical boxes. I gained all that space inside my garage. Wow, can you imagine, right, and mine is in my house, I’d be able to put a whole new cupboard in there.