For a hot tub....meaby, You have to add a pump and a couple thermostatic switches for minimum and maximum temp. For a swimming pool will be easy .Bunch of water will not really need thermostatic switches but you also need a pump and probably a timer so you will not run it more then 20 minute at a time so you will not kill it quick.by self destruction !
SOURCE: will a recirculating pump work with a tankless hot
A Metlund or Taco D'mand system will work Be sure to size it for the correct lenght of the run to the farthest fixture .
SOURCE: No hot water
The code # 11 is a code that warns of "no ignition" and the causes of this error code are too many to list. I would suggest that a qualified tech. perform a diagnostic test and repair.
This is not a task for the "do it yourselfer"
SOURCE: Paloma PTG 74PVN Tankless Water Heater
did you check the filters on the the water valves, i am not exactly sure about your codes that are shoeing but if you could read it and post them, i know on some of the units 76 means there is low water pressure and the filters are behind 2 caps one on each side above the shut off valve take off the caps and remove the screens, clean them and replace them ,, make sure you turn off the water on both side first or you will get wet
SOURCE: No Hot water...why Bosch tankless water heater, 2 years old
I dunno ... did you turn it on?
What kind of result do you expect from this kind of question???
SOURCE: tankless on demand water heater.
Tankless water heaters normally take a little longer than a regular heater to provide hot water because they have to start and get warmed up. I'm guessing the heater uses a pilot light and that the short amount of hot water when you turn on the tap is hot because when the water is sitting still in the heater the heat from the pilot light is enough to get it hot. The tub faucet will get hot a lot faster than the shower because it lets a lot more water through and empties out the pipes faster than the shower. You could probably speed things up by letting the tub faucet run on completely hot for like 10-15 seconds and then turning on the shower.
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