Question about Jacuzzi Water Heaters

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I have a J=SN180W tankless Jacuzzi Hot water heater. I was told I need to clean it once a year, how do I do that?

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  • Jacuzzi Master
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Follow the link, you need to "Descale" the heater. Tankless Water Heater DeScaling How To Flush

Posted on Sep 04, 2018

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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  • 152 Answers

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"

Posted on Mar 25, 2009

  • 2 Answers

SOURCE: Noritz tankless water heater not producing hot water

I called Noritz error code 16 is a overheat problem. Noritz say's to flush your coil with vinegar or CLR.
Use a small pump to recirculate the CLR or vinegar through the system for 45 minutes and flush with fresh water. This worked for me.

Posted on May 12, 2009

gary1121
  • 332 Answers

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

Posted on May 29, 2009

  • 6 Answers

SOURCE: Noritz tankless water heater/dishwasher not hot enough to clean

You are doing everything you can. Your dishwasher probably isn't drawing enough hot water to activate the unit so opening the faucet and flowing more water will activate the unit. Just try to adjust the flow from the faucet to a point it, plus the draw from the dishwasher, will activate the unit. This will come with trial and error as I am sure you have already experienced. Also, open the dishwasher when it does get filled and check the water temperature. You might have the unit set at a low discharge temperature. Do you have a touchpad to control the water temperature adjustment?

Posted on Jun 10, 2009

  • 244 Answers

SOURCE: richman gas lp tankless hot water heater. used for

I had the same problem with my Paloma a year and a half after installation...contacted Rheem\Paloma\Richman customer service (800-432-8373) and they recommened a local installer in my area. The technican diagnosed the problem as the "flow control valve"; he managed to get Rheem/Paloma to cover the part under warranty...I only had to shell out the money for the install.

Posted on Nov 11, 2009

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My Jacuzzi J-N180F tankless water heater will not even light.


Access your product manual.
I cannot find a product manual.
Some major company, like Rheem, makes this computer that heats water.

Call service technician to repair the unit.
Copy following link for overview of type of problems found with tankless computers.
For example tankless computers require continual maintenance on yearly and monthly basis to prolong expected life of product.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

If tankless computer is older than 5 years, then assume it is like your 5-year old laptop computer.

Save problems, and repair the unit yourself, same day, by installing tank-type water heater:
http://waterheatertimer.org/How-to-install-gas-water-heater.html

Gene
h

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Aug 27, 2013 | Jacuzzi 7.5 GPM 180000 BTU Internal Gas...

1 Answer

Jacuzzi tankless water heater code 12 appears


For my Jacuzzi tankless water heater model #J-SN180F: It turned out to be an exhaust issue. If I take off the exhaust vent completely then the talks heater works with 3 baths at full hot water. I get the error code 12 again as soon as I put event an elbow of the vent. So my conclusion is I need some sort of straight vent.

Apr 22, 2013 | Water Heaters

1 Answer

Rheem Pronto water heater Error code E1


Before calling service technician, open following link for troubleshoot resources include Rheem chat, error codes, and regular maintenance manual, and possible product manual:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
http://waterheatertimer.org/pdf/Tankless-maintenance.pdf

Clean the water filter as shown in product manual.
Error E1 is not specifically shown for Rheem/Pronto tankless.
1 is usually related to water flow.
E errors are related to temperature, so E1 can be temperature sensor failure on hot water pipe.
E errors can be loose/bad wiring or part failure.

Error codes are considered start-point for troubleshoot.
Each tankless manual recommends cleaning the water filter monthly, deliming heat exchanger yearly, and cleaning combustion chamber and burner parts yearly.
Regular maintenance can prevent most common error codes, but the cost and nuisance will outweigh expected $1-8 monthly savings on gas bill.
The requirement for continual maintenance should signal folks that tankless are not effortless hot water as described in tankless promotion.

Solve most tankless problems same day, yourself, any brand, using minimal tools for about $350.
http://waterheatertimer.org/How-to-install-gas-water-heater.html

Oct 02, 2011 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

1 Answer

Why won't the hot water stay on when the cold water is turned on?


More information is needed.
Water heater type and model is not know. Add a comment with more information.

If you have tankless water heater, the temperature could be set too high.
Other causes can include dirty combustion parts, water filter needs cleaning, heat exchanger needs to be de-limed, loose wiring, bad pressure sensor, bad PC board etc.
Instruction manual says to have professional service once per year.
Resources:
http://waterheatertimer.org/pdf/Tankless-maintenance.pdf
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Other cause can be crossover.
http://waterheatertimer.org/Crossover.html

Sep 21, 2011 | Rheem Water Heaters

1 Answer

What can cause Hot/Cold spikes on an RTG74-XN


Crossover, low hot water flow, low water pressure, sediment in water lines or heater, heat exchanger needs to be de-limed, water filter needs to be cleaned, water heater temperature set too high, incoming water temperature too high or too low depending on model, MUD or PUD districts with pressure spikes, dirty faucet aerators, loose wires, bad sensor, faulty PD-board, bad venting, dirty burner and combustion parts, etc.

Crossover
http://waterheatertimer.org/Crossover.html
Clean water filter monthly, de-lime tankless yearly
http://waterheatertimer.org/pdf/Tankless-maintenance.pdf
http://waterheatertimer.org/pdf/Rheem-De-lime-tankless.pdf
No error code:
http://waterheatertimer.org/pdf/No-Error-Code.pdf
Overcoming fluctuating temperatures:
http://waterheatertimer.org/pdf/Bosch_Overcoming_fluctuating_temps.pdf
Resources:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Sep 20, 2011 | Rheem Paloma PTG-74XN / RTG-74XN Natural...

1 Answer

Black soot on outside wall above hot air exhaust. Excess flame, incomplete combustion? How to adjust/correct?


All gas water heaters, tankless and tank-type, require cleaning burner and combustion parts.
Tankless manuals suggest once per year.
Tank-type once every 2-3 years.
Before calling service technician, open following links for Bosch troubleshooting resources:
http://waterheatertimer.org/Troubleshoot-Bosch-Tankless-water-heater.html
http://waterheatertimer.org/pdf/TWH-G1-13_Removing_and_cleaning_burners.pdf
Burners do not operate cleanly:
http://www.boschhotwater.com/HelpfulResources/TechnicalSupport/BoschAquaStarModels/125BOTechSupport/Troubleshoot/tabid/602/Default.aspx

Jun 26, 2011 | Bosch 125BO NG AquaStar Outdoor Natural...

1 Answer

The flow is more than it used to be when the Rinnai was working fine with two faucets flowing probably triple the advertised flow rate now. It still cycles hot and cold every few minutes. Is build-up a...


when your tankless starts cycling hot and cold water, then there is probably scale buildup inside the unit.
flushing the unit will remove the scale and any other debris inside the unit.
you can do this yourself, do you have the instruction book that came with the tankless heater?
it is recommended to flush the unit once a year especially if you have hard water.
it takes an hour or maybe a little longer to flush the unit completely.

Aug 29, 2010 | Bosch & Tankless LP Hot Water Heater

1 Answer

I have a new water heater. However, its capacity


Hi,
No you cannot safely increase the output of a tankless water heater. The alternatives would be to install a heater in your Jacuzzi or to add a tank type water heater to hold water for the tub and then run the haot water from the tankles into the tank. This way all the tank is doing is holding water for you to use and not heating it. Kinda defeats one of the purposes of having a tankles though.
Only other option would be to exchange the tankles for a higher ouput one. Also an exspensive option.

heatman101

Mar 26, 2010 | Whirlpool Water Heaters

2 Answers

Sediment in lines -Bosch Tankless Water heater


I would recommend a simple sediment filter housing be installed on the main water line coming into the house. Material cost about $100. Have a plumber install a bypass loop so you can just shut off 2 valves when you need to change it. I always install one with any tankless heater as cheap insurance against such a problem. As far as adding something to clean the lines I would refer to the manufacturer's instructions and use only what they recommend in order to preserve your warranty. For a solar water heater I prefer Velux.

Please rate if this helps-

Mar 28, 2009 | Bosch & Tankless LP Hot Water Heater

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