Tankless water heater - Fiberglass RV


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Old 11-09-2011, 06:10 PM   #1
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Tankless water heater

I purchased this 120V tankless water heater on Ebay. I've been in Montana for the past few weeks and will install it and a new faucet when I return to Texas. Has anyone had any experiences (good or bad) with this type water heater? Any info would be greatly appreciated.
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Old 11-09-2011, 06:46 PM   #2
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About 15 years ago I had a slide in camper that I installed a propane tankless water heater in.
It worked well. I never had any problem with it.
I am amazed someone doesn't make a REASONABLY priced tankless for RVs.
John
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Old 11-09-2011, 07:11 PM   #3
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This tankless water heater is 120V. No propane. I want to know if it is better to put the water heater on it's own circuit rather than plugging it into another outlet. I want to put it on its own circuit. I don't want to overload the outlets I have.
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Old 11-09-2011, 07:18 PM   #4
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I can't tell from the picture what the power draw is, but I'm betting it is high. It should say on the unit somewhere. I'd bet my bottom dollar it will need a dedicated circuit. Most 120V circuits are 15 amp max.
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Old 11-09-2011, 07:22 PM   #5
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These are the specs I got from Ebay:

Chronomite SR-30L Electric Point of Use Tankless Water Heaters White
Chronomite SR-30L 120v Instant-Flow SR Tankless Water Heater - Chronomite Tankless Electric Water Heaters Since 1966, Chronomite Laboratories Inc. has been the innovative leader in providing solutions for commercial and industrial tankless plumbing applications.
Applications:Public Lavatory, Non-Public Lavatory, Kitchen / Bar Sink.Accessory package:Standard pressure OMNI flow control, low pressure OMNI flow control, 3 adaptors and 1 compression fitting.Chronomite SR-30L 120v Instant-Flow SR Tankless Water Heater Features:; Unlimited Hot Water; 98% Energy Efficient; Compact Size; Easy to Install; Low Installation Cost; Meets ADA Requirements; Made in the USA; Product Listings UL, HUD, IAMPO; Virtually Eliminates Alkali Calcification; No pressure & temperature relief valve needed (unless required by local code); Low Flow ModelChronomite SR-30L 120v Instant-Flow SR Tankless Water Heater Specifications:; Temp Rise at 0.5 GPM 49;F ; Watts 3600; Volts 120; KW 3.6; Breaker 30; 6-1/4"x9-5/8"x2-3/4"; 25 PSI Minimum operating pressure; 150 PSI Maximum operating pressure; 140;F Maximum operating temapture; Minimum operating flow rate 0.4 GPM* Old model number S-30L-110* The manufacturers start up instructions should be observed.
Other Details

Product Type: Electric tankless

Temp Rise (F) at 0.5 GPM::48

Temp Rise (F) at .75 GPM::-

Temp Rise (F) at 1.0 GPM::-

Temp Rise (F) at 1.5 GPM::-

Temp Rise (F) at 2.0 GPM::-

Temp Rise (F) at 2.5 GPM::-

Temp Rise (F) at 3.0 GPM::-

Temp Rise (F) at 4.0 GPM::-

Minimum Flow Rate::n/a

Maximum Flow Rate::n/a

Type of Control::Instant Flow

Connection Location::Side

Inlet Size::n/a

Outlet Size::n/a

Height::6 1/4"

Width::9 5/8"

Depth::2 3/4"

Weight::n/a

Power Supply::120 VAC

Power Consumption::3.6 KW

Amp Requirement::30

Minimum Operating Pressure::n/a

Maximum Operating Pressure::150 psi

Temperature Range::n/a
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Old 11-09-2011, 07:29 PM   #6
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I was really suspicious when you said 120V. Most of these are 220V because the power draw is large. Yours is 30 amps! You CANNOT plug that into an existing outlet. You must have a dedicated circuit with 10 gauge wire, The problem is, even on a 30 amp hookup, you cannot run anything else when that heater is on. You cannot plug into any house current anywhere unless that 30amp service is available. You will blow the breaker immediately.
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Old 11-09-2011, 07:31 PM   #7
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You will need a new individual 30 amp dedicated circuit for 3600 watts, that is equivalent to 2X15 amp circuits, so you will either have to convert your rig to a 50 amp hook up (these cost more at campgrounds) or have a 30 amp for the water heater only and use an extension cord, 15 amp circuit for your trailer needs.
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Old 11-09-2011, 07:38 PM   #8
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there is a propane model that does not draw a lot of electric here
RV Parts Center - Save on RV Parts, RV Supplies, RV Accessories
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Old 11-09-2011, 07:54 PM   #9
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I've been thinking about something like this:
Camp Chef HWD5 - Hot Water Heater / Portable Shower#

The cost of most of the tankless options is borderline offensive. This one gets good ratings, is simple, and priced sensibly. It's not a "built in" option though without some work. It raises the temp about 40 degrees, so you need to start with water that isn't too cold.
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Old 11-10-2011, 07:22 AM   #10
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Thanks for the input, all. I guess I won't be installing that tankless water heater after all. I wanted hot water to wash dishes and so forth. I do not want to convert my trailer to 50 amps. I guess I can try sending it back.
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Old 11-10-2011, 07:40 AM   #11
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Quote:
Originally Posted by Lowpaidnurse View Post
Thanks for the input, all. I guess I won't be installing that tankless water heater after all. I wanted hot water to wash dishes and so forth. I do not want to convert my trailer to 50 amps. I guess I can try sending it back.
If you do get your money back, there are alternative electric water heaters, The Egg Camper is all electric and has a small 4 gal electric water heater similar to this Shop Ariston 2.5-Gallon Electric Point-of-Use Water Heater at Lowes.com
and it would only need a 15 amp circuit, so your 30 amp trailer would be adequate.
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Old 11-11-2011, 07:44 PM   #12
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I use an electric 50 cup coffee urn that I bought at a garage sale. It does take a little while to heat up but it beats heating water on the stove in a bucket.
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Old 11-11-2011, 10:40 PM   #13
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Originally Posted by BigMike View Post
I use an electric 50 cup coffee urn that I bought at a garage sale. It does take a little while to heat up but it beats heating water on the stove in a bucket.
I bet you make that appliance urn its keep!
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Old 11-12-2011, 09:16 AM   #14
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Ha, Ha
I guess that meets the definition of a tankless water heater.
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