Girard Tankless Water Heater GSWH-1 - Fiberglass RV


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Old 03-20-2013, 10:38 PM   #1
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Girard Tankless Water Heater GSWH-1

The Girard Products' GSWH-1 Tankless Water Heater incorporates a power blower that forces the combustion air through the heat exchanger (Induced draft). This new design results in a unit capable of providing:

Higher burner power in a smaller package
Higher combustion efficiency
Heat transfer efficiencies in excess of 90% without condensation
Higher wind resistance performance
Instant hot water: An unlimited supply of hot water when you need it plus no recovery time!
Energy efficient: Heat only the water you use. The GSWH1 tankless water heater uses 60% less LP gas than current tank models. No tank means no heat loss!
Lightweight: Over 65% lighter than conventional tank model water heaters. Why carry 50-90 lbs. of additional dead weight?
CSA Approved
Electronic Ignition - State of the Art Electronics: No pilot lights or manual burners to keep lighting or adjusting
Dual BTU: For improved energy efficiency, you can change the burner from HI-FLAME to LOW-FLAME
No By-Pass Valving Needed: The GSWH-1 tankless water heater has no storage tank to by-pass when winterizing the unit.
No Rust or Sediment: Since there is no storage tank, you can forget about replacing anode rods and cleaning rust and sediment out of a tank.
Specifications:

BTU/HR : 34,000 - 27,000
Fuel : Propane (LP Gas)
Inlet Pressure : 10.5" WCI Min TO 14" WCI Max
Manifold Pressure : 8" - 10" WCI Max
Power Input : 12VDC < 3 amp
Water Operating Pressure : 125 PSI Max
Maximum Water Temperature : 125F
Dimensions : W 12.5" x H 12.5" x D 15.5"
Shipping Weight (w/Shipping box) : 32 lbs.
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Old 05-06-2014, 09:24 PM   #2
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Has anyone tried one of these in their trailers?
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Old 05-09-2014, 12:20 AM   #3
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Yes last year I sold one to a person who put it in a Boler.
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Old 05-09-2014, 06:33 AM   #4
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Chuck , thanks for that info.
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Old 05-09-2014, 08:49 AM   #5
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These have their pros/cons. Light weight and no winterizing, but they are hard to manage temperature as the flow of water determines, slower is hotter and faster is cooler. They also come on every time you turn on the hot water, just like your pump if you are not hooked up. Had one in my Lance 1575.
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Old 05-09-2014, 08:55 AM   #6
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IMHO:

Can't see a real reason for one of these in a small FGRV. Seems to be that they are more appropriate for $150,000 behemoths motorhomes and trailers where convenience trumps cost and using full hook-ups are more the rule than the exception.

I recently camped next to a monster m/h with one of these and every time they turned on the hot water it fired up and was very noisy, almost like a generator running in the middle of the night.

Other considerations: They are more expensive than a conventional w/h, they appear to use 12VDC while running, and they pour out a lot of waste heat when running, meaning higher LP use.

Now, if you need to take 30 minute showers, they may be just the thing.
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Old 05-09-2014, 12:24 PM   #7
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Full hook-ups? 12 VDC and propane does not require any hook-ups.
The heater is smaller then a tank type water heater. Good for a small trailer.
Waste heat should be minimal since they are 90% efficient. Lower LP use.

Bob's bias. What is it based on?
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Old 05-09-2014, 12:40 PM   #8
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Thanks for the voice of reason, David. I'm planning to have some sort of on-demand water heater in my trailer, unless I hear a well-thought-out reason for not doing it. I have electric ones in both my houses, and they're noiseless, so I don't know why an lp one would be noisy. I'd think firing up a stove or heater would be equally noisy, if that's the case.
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Old 05-09-2014, 12:47 PM   #9
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You may have noticed that I did not dispute the noise claim. I have a Coleman outdoor on demand water heater. It does make noise. The noise is similar to a Coleman white gas lantern but it is quieter.
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Old 05-09-2014, 01:21 PM   #10
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I figure it will make that whooshing noise, but with the location and the metal and fiberglass around it, the noise will be isolated. And I'll be in the shower, anyway:-)
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Old 05-09-2014, 02:47 PM   #11
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I have never ran out of hot water with a 4 gallon water heater, including showers. BUT... if someone was into taking Looooong showers the tankless heater would have an advantage, especially if you have a) Shore water and b) Shore drain hook ups.

And, while the owner of said heater may not be bothered by the substantial noise I have heard when that 34,000 BTU burner fires off, I am sure it won't be as widely acceptable in the next campsite.

But sure, get an electric one, it will be a lot quieter.
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Old 05-09-2014, 02:52 PM   #12
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Bob, why do you keep making a reference to shore power? It is 12 VDC with less then a 3 A draw. It probably doesn't draw near that when it is not operating, especially if you switch it off.

Please think past your bias. Do you sell a competitive product or something? Other then noise you don't have any reason for your objection.

Depending on how much it costs, which the OP is in a position to tell us, I may be buying one of these in the future.
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Old 05-09-2014, 03:12 PM   #13
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Try taking a shower with just hot water, turn it on full and it becomes cold, turn the pressure down low and it becomes warmer, by the time you get the right temperature, you have used 3 gallons of water. The noise is equivalent to your furnace coming on/off every time you touch the kitchen h/w sink to wash your hands. If installed, make sure it is on the street side, it will drown out your conversation on the curb side.
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Old 05-09-2014, 03:21 PM   #14
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Thanks Jim, I appreciate your experience with this product.

I don't pretend it is without problems, but I suspect that after some experience, you would know where to set your tap for the preferred temperature, plus or minus for starting water temperature.

This is similar to my Coleman, in that temp is hard to regulate.

The noise is unfortunate, but I guess it should be treated like a generator. Not for use when people are sleeping.
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