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Old 04-29-2018, 01:59 PM   #1
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Girard Tankless Water Heater GSWH-2 HELP

Gas in on and working but heater will not ignite. They just installed it and obviously did not test the thing before they sent me on my way Help!! Leaving in the morning
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Old 04-29-2018, 02:12 PM   #2
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Welcome to the forum its a great place to get your questions answered. Remember it will not lite until it senses water flow at a certain rate have you opened a facet wide.
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Old 04-29-2018, 02:31 PM   #3
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Yes, I have opened one and then both bathroom faucets all the way. The control panel does not light up at all to indicate that water is flowing and the heater has ignited. Also tried adjusting the temperature, checked the fuses. and checked the propane supply going to the unit by loosening the nut on the inlet. It is getting propane and electricity. It just won't ignite.
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Old 04-29-2018, 03:10 PM   #4
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I may not be able to give solid advice, only a few tips but you never know.

If you have a pressure regulator take it out, yeah I know but the sensors in the unit are so finicky.... These tankless water heaters operate best from the freshwater tank not from the campground spigot.
The water heater needs a minimum flow of 0.5 gpm flow in order to operate and there is a 10 -15 second time delay before the panel even illuminates after you turn the hot water on.
Make sure there is no other tap open other than the one you're intending to draw from, especially no cold.
Prime the propane line going to the heater, if no propane flows for x number of seconds the unit shuts down.
When you open the hot tap make sure water is flowing through the heater and not bypassing it somehow like through the open shower mixer valve or outside shower valve.
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Old 04-29-2018, 03:18 PM   #5
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One more thing, check the winterizing valve settings from your previous hot water tank and make sure they're not set to bypass the new water heater. A good installer should have removed them as they are not needed for this model of tankless water heater.
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Old 04-29-2018, 03:57 PM   #6
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Thank you for all the great suggestions. None of them worked and I am so bummed because we're supposed to be leaving in 2 days. This is a brand new unit and shouldn't have any problems
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Old 04-29-2018, 04:07 PM   #7
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I know on our River Stone the heater was installed at the factory so yours might differ then what mine is, I turn my gas on then there is a switch inside the control panel that must be turned on ( lights up red ) then I have to push the on button ( red ) on the temperature control panel for it to work. Not knowing how they installed yours or where they might have put them you might have to ask them where the switch might be? Hope this helps you some.
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Old 04-29-2018, 05:38 PM   #8
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The only other suggestion I have is to download the owner's manual and the service manual for the GSWH-2 if you don't already have it and/or get in touch with the installer.
https://greenrvproducts.com/pages/owner
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Old 04-30-2018, 01:19 PM   #9
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Make sure they didn't hook it up to the water heat switch on you control panel. Check to see if the water heater control panel has power and is displaying the water temp.

If not, Turn it on the water heat switch and see if you now have power to the unit. If you do the water heater control panel will power on. Run your hot water. You should hear the ignitor clicking. If it is and it still doesn't light it may be a propane issue.

Let us know how you make out.
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Old 04-30-2018, 01:28 PM   #10
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Quote:
Originally Posted by lilitaliangal View Post
Gas in on and working but heater will not ignite. They just installed it and obviously did not test the thing before they sent me on my way Help!! Leaving in the morning
Behind the outside cover there is a black rocker switch. It may just be that the switch is turned off.

I turn mine off when winterizing (I blow the lines out with air pressure) so it doesnt ignite on an empty WH. I make sure there is water throughout the water lines before turning the switch on.
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Old 04-30-2018, 01:48 PM   #11
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Originally Posted by Bobf074 View Post
Make sure they didn't hook it up to the water heat switch on you control panel. Check to see if the water heater control panel has power and is displaying the water temp.

If not, Turn it on the water heat switch and see if you now have power to the unit. If you do the water heater control panel will power on. Run your hot water. You should hear the ignitor clicking. If it is and it still doesn't light it may be a propane issue.

Let us know how you make out.
You might need to reset the unit

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Old 04-30-2018, 01:59 PM   #12
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2 years ago I bought that same model and had problems lighting it. I called Girard and they said that they had some problems with the gas valves sticking. They suggested that I open the access door to the heater and look on the left side and that I would see two gray metal cylindars. They said to strike them firmly with a small hammer and that would free the sticking valve. It worked and I haven't had a problem since then. Hope this helps.
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