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Rheem Performance Platinum 11 GPM 199000 Btu Natural Gas Tankless Water Heater $700 + fs (possibly less after rebate)
$700
$1,754
60% off
Home Depot
Home DepotDeal Details
@Home Depot. Free shipping or store pickup where available.
YMMV but check your gas provider to see if there are any rebates available. NJNG seems to be offering a $500 rebate.
YMMV but check your gas provider to see if there are any rebates available. NJNG seems to be offering a $500 rebate.
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@Home Depot. Free shipping or store pickup where available.
YMMV but check your gas provider to see if there are any rebates available. NJNG seems to be offering a $500 rebate.
YMMV but check your gas provider to see if there are any rebates available. NJNG seems to be offering a $500 rebate.
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16 Comments
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Tank water heaters heat much more slowly, but the 50x2 gallons is already hot, so you get hot water until the tanks get too cold.
For example, in Seattle right now I'm getting 65f out of tap and my tankless (Navien, 200k btu) is set at 120f, so that's a rise of 55 degrees. All else equal *actual* GPM would be different if either/both of these variables were different.
Other factors, too, of course. Main point is to understand the advertised GPM rating so that you're not surprised 😉
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IF you are planning to buy this, you will need to convert to a PVC or polypropylene vent pipe. DO NOT use your existing flue pipe or chimney. This is most likely a condensing water heater, this is why you are able to use pvc or polypropylene flue pipe and this will produce condensation inside you flue pipe and when mixed with exhaust gases, will produce sulfuric acid. You will also need a neutralizer for the condensation and some where to drain to.
You will need an outlet to plug this into. These are all MUST!
NOW addition to all that, this is like an option but a must in my book and must if an inspection checks this. A mixing valve (aka tempering valve). With this valve you can increase the capacity, sort of. I usually set the water heater to around 160, then the mixing valve to 120 (nyc code) with this you heater produces 160 BUT the mixing valve only uses SOME of it, because it MIXES it with the cold water thus dropping the water temp to 120degs. One might be able to set this as high as 180, maybe 200 BUT you need a mixing valve.
Hope this helps. I can keep going on how this works, but I have to go.
And uses a 3/4" gas line.
Most 1 fam homes only have 1/2" line.
Also, Most 1 fam homes can't supply 199k just for the water heater.
Make sure you gas meter will be able to produce that much BTUs. Add up all your appliance BTUs ratings and this heater and make sure this stay under the gas meter rating.
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