Question about Rheem Paloma PTG-74PVP / RTG-74PVP Liquid Propane Indoor

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Intermitant failure of waterheater to turn on when demand is created, then at other times there's no problem. lately it fails to resond more than it works.

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Open following link for Rheem/Paloma/Richmond/Ruud tankless troubleshoot resources including error codes, self help, manuals, parts links, tips, and contact information.

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Posted on Mar 28, 2011


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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No hot water from tap . And can not control heating just runs on full

You either have failed heating elements, or your dip tube has corroded and deteriorated.

check out this link, and review that site. Very and highly informational.

Waterheater dip tubes

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Turbomax boiler fires up when no demand

It still has to heat the water for demand. It will cycle even when there is no demand.

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I have a Bosch GWH 425 HNO propane Tankless Water Heater which began intermittently exploding when demand for hot water occurs.

Call a qualified service tech immediately.
Gas explosion indicates dirty combustion parts, and gas is not fully igniting when tankless turns on the gas. So gas builds up and then explodes causing serious damage to tankless, and serious risk to homeowner.

If you need further help, I’m available over the phone at

Aug 14, 2012 | Bosch & Tankless LP Hot Water Heater

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On demand hot water heater leaking

is this an area w/a threaded fitting?if so ,you turn off waterheater,drain,disconnect existing fitting,clean and rewrap with new teflon tape ,and retighten down.i only say to drain,because i am not sure if it is hanging and would not want to fall on you.teflon tape and rewrenching down should fix,unless soldered.then call your plumber.also if under warr.from installer ,less than 1 yr.,call them and tell them to fix it for free.i have over 13yrs in sheetmetal install,both in hvy.industrial down to many other types of home install of furnaces,a/c units,retrofits in /new and existing homes,waterheaters,garbage disp,refrig.water lines,gas etc

May 21, 2012 | Bosch Water Heaters

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My hot waterheater will light but when i release the reset button after over a minute the pilot light goes out. what do i do

There is a small probe with its tip in the pilot flame called a thermocouple,
this is a flame failure device and shuts off the pilot in the event the flame goes out due to wind water or no gas, this device can become bunrt out usually after many years of use and can normally be replaced, you can purchase a universal thermocouple from most gas appliance retailers

Mar 06, 2011 | Whirlpool Water Heaters

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I want to buy an anode rod for my whirlpool water heater. Mod # E2F80HD045V. Cannot find the part number.

The part you need is actually the following as it was made for Whirlpool by AMERICAN WATERHEATERS:

Number: 4710185 Category: Plumbing and Heating Length: 53.90 Width: 1.10 Height: 1.00 It is sold by Sears and is available for $17.99.
Good luck with your repair!

Mar 13, 2010 | Whirlpool Water Heaters

1 Answer

Have no hot water flowing at all from my Atwood hot water heater. cold ok tank full?

Hi and welcome to Fixya.

Here are 2 manuals that should help you in troubleshooting your RV hot water problem.

Multiple times there is a ref. to resetting the reset switch for 30 seconds on the unit (cover removal required)

For the ignition:

For the water heater:

The manuals as written are full of warnings mixed in with meaningful text. (Not user friendly)

Feb 02, 2010 | RTO Atwood DSI-RV Water Heater-6 Gallon

1 Answer

My bosh 2400E LP waterheater fails to ignite often and I have to reset it. At the moment it will not fire up at all. It has run sporatically but not consistantly in the two years it has been installed.

You may very well have a defective thermocoupler. It id the bulb that sits at the tip if the pilot flame. It neeeds th be changed out. Good Luck

Oct 15, 2009 | Water Heaters

1 Answer

Hot water heater doesn't work 2 years old

First I would check to be sure your propane tank(s) are not empty and valve is not turned off and that the required gas pressure is being delivered to the unit i.e. pressure line tubing is not kinked or leaking - pressure regulator is operating properly.

Another culprit could be the thermocouple is malfunctioning or is not positioned properly, hence not allowing it to sense the flame.

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1 Answer

Turn on water the electronic ignition not coming on

The tankless water heaters require larger gas supply lines because of the on-demand consumption. While I don't know your units rating, most Propane Tankless Waterheaters require 2" supply lines. Moreover, pressure is directly related to temperature which sounds like your problem entirely; consider the run of the gas pipe from the tank and the ambient temperature. Now you see why plumbing is a hard profession to fake... =)

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