degrees all winter long using no supplemental heat at all. Propane Tankless Water Heater. Propane Tankless Water Heaters: – RV-550 EC – RV-550 NSP EC – ShowerMate M-550 EC – TwinTemp-2 – TwinTemp Junior; Natural Gas Tankless Water Heaters: – RV-550 EC – RV-550 NSP EC – ShowerMate M-550 EC – TwinTemp-2 – TwinTemp Junior; Power Supply – 3262-K 12 VDC, 5 Amp; Manuals. They are the best so it is up to you to select the one that best suits your needs and space. He burns sunflower seed hulls that are a waste product near him, so he gets deliveries augered right into a giant grain silo that he fashioned another auger to feed out of the bottom and right into his boiler. Precision Temp Floor Vented RV 550 NSP Tankless Water Heater. I got my new unit and I immediately opened it up to check the internals, all looked in order. So 12 Volt needs to be grounded or not? I also called the arogant imbeciles at the factory and they told me “they can’t possibly have made a unit that worked so poorly and to stop varying the pressure”. they are designed with safety in mind. We do this by insulating UNDER the slab, as well as around its perimeter and footings while providing special thermal breaks and drainage to limit thermal bridging and moisture wicking. Maybe not a problem for Park Trailers or a Tiny home that may only move every couple of years, but hardly RV worthy. RV-500 Tankless On-Demand RV Water Heater repair. Used the thermal mass concept along with numerous passive solar design elements and ended up with a building that maintained 55F. The tech guy from Precision Temp basically told me to turn all burners on my stove and then crank the hot water and see if the flames go down, sure enough it did. The efficiencies are incredible since your walls and floor, once tempered, carry an amazing amount of stored heat. Girard 1GWHAF Tankless Water Heater. The PrecisionTemp RV-550 NSP EC tankless water heater utilizes PrecisionTemp's patented VariFlame Control technology to deliver an endless flow of hot water for the ultimate in pampering for you and your family while on the road or at home. Precision temp shower mate 500 , After a few years unit problematic and their motto is blame the install, blame anything but the unit itself. Thank you! I purchased the unit in 2013 after doing a lot of research about the unit. Talk about ka-boom your house to pieces, not to mention it will destroy your lungs in the explosion, and you’re left dying from the butterfly effect on your lungs (people bombed in air-tight buses die the same way), even if nothing else happens to you. I cleaned up and called a plumber and schedule an appointment to have a different brand to be installed, I was done with the Precision Temp tankless hot water heater. I have an RV-500 that I purchased in 2010 in my RV. When I started considering a tankless water heater, I … I was very impressed with how much time they spent and the guy’s patience with us. The installed hydronics proved to be absolute overkill (domestic H/W and supplemental slab heat was provided by a cheapo conventional 30 gal. At first I thought it was just a check valve or some wires jiggling, but upon further listening I became concerned. No thanks. I love TH peeps for their willingness to share their wisdom. I have the 500 in my motorhome right now, installed it in 2014, been a pc of crap since we bought it. PrecisionTemp RV 500 Recreational Vehicle Propane Tankless Water Heater compared to typical RV 500 hot water heater. It has a very friendly user interface which makes it easy to operate. Best bud is a Master Plumber & Steam Fitter with 40+ years of experience. Whether in the dead of winter in the North Dakota oil fields or on sunny days in southern Florida, hot water is there for your enjoyment. PrecisionTemp RV-500 Installation And Operating Instructions Manual (13 pages) Instantaneous Gas Water Heater. Pulling the plug should have killed it unless your or the plumber left something in the line or used pipe tape instead of pipe dope. Right now the paddle wheel is not spinning so the unit does not kick on. When it was new out of box the temperature fluctuated so I called Precision Temp, the rep was very helpful and promptly explained how they had received a bad batch of thermistors and immediately sent me a complete set at N/C under warranty with full instructions on how to replace them. TwinTemp-2 Tankless Water Heater. Sorry some of you folks have had so much grief. To be transparent, I owned the RV550, which is very similar to the 500, the only difference is the 550 vents out the bottom via a pipe, where the 500 vents out a side panel. What I found was one of the main vent hoses had come loose and the hose clamp was rattling around in the bottom of the unit. Hi, I have the original 21 year old RV 500 in my “aging RV” and it has been very reliable until the last few weeks. The Excel tankless gas water heater is an efficient lightweight water heater that runs on 3 volts. It was then I asked for a replacement unit because I wasn’t sure I could fix it, plus it was brand new out of the box. Later on we were able to get the vent fan working, but it wouldn’t light. We have 2 PrecisionTemp RV-500 manuals available for free PDF download: Installation And Operating Instructions Manual, Operating Instructions . I also spent $1100 for a Precision water heater. The Ultimate Guide To Personal Development, A-Frame Tiny Houses: How To Build + Free Tiny House A-Frame Plans, Great Gifts for Minimalists: Meaningful Ideas They’ll Appreciate, Tiny House Electrical Guide – Wiring & Powering Your Tiny Home, How To Build A Tiny House With Slide Outs, How Much Does A Tiny House Weigh? I turned the water back on to see if I could trigger it to turn off, nothing. No propane is used to keep unused water hot. Shipping Delays due to Covid-19 Information. Precision Temp RV 550 Water Heater, Recreational Vehicle LP Gas Tankless Precision Temp RV-550 RV Propane Tankless Water Heater This is the first and only instantaneous tankless water heater specifically designed for recreational vehicles (RV). whats is this new water heater your talking about??? How To Calculate The Weight Of Your Tiny Home. Suburban 5243A Electric Water Heater SW10DE with Direct Spark … You can also control water pressure from 2 psi to 120 psi. It seemed like my options where this unit or an Atwood variant that honestly didn’t look that great as an option. https://www.quikrete.com/athome/video-dry-stack-wall.asp. It vents through the wall, but has a very small vent. It comes with very compact design that we exactly need for an RV. The temperature on your water heater has been factory set to the hottest setting approximately 120+°F. The flashing code for the red light on the electronics box was cycles of two flashes. I don’t normally do product reviews, but the RV500 is one of those appliances that a lot of tiny housers use and people wanting to build are planning on installing. For a long time I have recommended the RV-500 Tankless Hot Water Heater from Precision Temp, but recently I found myself no longer being able to recommend it. To complete the basic shell the entire exterior is insulated with a continuous layer of at least 2″ of rigid Iso foam (R-10 per inch) in two layers to allow a staggered seam lapping, then seam taped and covered with either Dry-Vit/Stowe or strapped with firring strips to attach whatever other exterior finish desired. Each RV-550 tankless water heater is designed, assembled and tested by hand in the USA. I’ve had one in someone’s house not deliver hot water when doing a weeks dishes for the owner. Simply turn on a hot water faucet. Avoid this company and their products at all costs. This really frustrated me because as you can see above – this is a screen shot from the install manual – you’re supposed to ground the unit. They seem fickle and don’t know when to supply hot water. This indidicates the T-in Thermister is bad and needs replacing. Afraid to fire up now. I laid down the $1100 for the unit (gulp) and awaited it’s arrival. Two years ago I had problems and the support guys spent about three hours walking my husband and I through resetting some very tiny diodes, with great success. Similar form factor and about half the price. I realized that this was a pretty serious thing, because if I hadn’t investigate and just installed, it would have mean that the vent would be pushing exhaust into the interior of my house. In addition to the unit I purchased the 110V to 12V adapter, which let’s you simply plug in the unit to a standard power outlet. Im going back to a tank style, please hear this, “ITS DANGEROUS FRUSTRATING GARBAGE,AND THERE IS NO HELP, DO NOT BUY IT!!!!!!!!”. Provides endless, on-demand hot water and Hydronic heat; Designed specifically for RVs, Trailers, Tiny Houses, Cabins, and more; Whisper-quiet operation; No diesel smell; No pilot light and 35% higher efficiency; Reliable, proven VariFlame technology control system; 55,000 BTU burner and one 1,500 watt electric element So, did you wind up grounding the unit (green wire)? One of my favorite packages is based on using the structure as a giant thermal battery. On temperature control and water flow, you have the power to control it manually using its knobs. i’m having trouble getting the paddlewheel out to either replace/clean or whatever it needs. As a side note I later got a new unit and looking at how firmly that vent host was attached, I’m guessing that it was never connected in the first place, not just wiggled off in shipping. The RV-550 EC is a four-season, tankless water heater, installing and fluing just like a tank type water heater, through the sidewall. Well needless to say after I went to the campground store in less than 10 minutes my problem was solved. For a long time I have recommended the RV-500 Tankless Hot Water Heater from Precision Temp, but recently I found myself no longer being able to recommend it. I was taking a shower about a month ago and once I was done, I stepped out to towel off. there are no ignition specs to be found. The unit had built up so much steam pressure that it literally ruptured the wall of one valves and tore the threads out of another. RV-500. That's over 50% more power than most tankless water heaters on the market! Free Shipping on Orders Over $200* Houseneeds; Free Shipping on Orders Over $200* Free Shipping Details. You can not get them on the phone. The support person said that 12 volt is very sensitive so if it’s grounded, it can cause trouble. Plus I have not had good experiences with in-line heaters. I am no closer to a solution and am really missing hot water. In my opinion the unit is way more expensive than it should be. I didn’t realize I would be required re-plumb my RV in order for it to operate properly. No more waiting for a small water tank to refill and no more quick, cold showers. i have taken this thing in to be looked at the guy said the same thing. Free Shipping on Orders Over $200* Houseneeds; Free Shipping on Orders Over $200* Free Shipping Details. I think there is only 1 guy getting relays to his cell phone or something. I have personally seen two manufacturing failures on two different units. He then began telling me how I was wrong because they “test every unit before it goes out.” The unit would have worked fine even if they test it, it just was not venting out the vent tube. How can the RV-500 provide endless hot water? I put it right back in the box, repacking just like they sent it to me. What I’d like to try is an insulated slab of some sort that could take the pounding of over the road travel without disintegrating, which I’m pretty sure we can do with mix additives, fiber mesh, and some rebar. Precision is a confusing company…. I noticed that the tankless didn’t turn off, but instead kept the burner going. I’ll do a post soon about what I opted for in it’s place. I have had a few problems over the 5 years, however times I call the tech is very helpful and and nice. I did have a failure of the flowmeter assembly (paddle wheel) in Spring of 2019 due to freezing (my fault, not the unit). Another option that I’m looking at for our next small house project (I’m a retired contractor who specialized in hyper energy efficient design & build since long before it was cool) is trying to incorporate in-floor hydronics that can be driven by one of these. The VariFlame control system then keeps the water temperature constant, regardless … Designed specifically for RVs, Trailers, Tiny Houses, Cabins, and more. I was able to get a new unit for around $600 and it has three times the btu and a similarly compact vent system. I’ve NEVER had this experience with a traditional water heater. That's over 50% more power than most tankless water heaters on the market! I ran outside and turned off the water and the gas. The unit would start working, but the vent fan wouldn’t kick on. The unit turned on and worked instantly. It has a stainless steel burner that makes it work for a long period time. Page 1 RV500 OPERATING INSTRUCTIONS The RV‐500 is designed to give a continuous flow of hot water as long as required and maintain temperature within the capacity of the heater (90°F temperature rise at one GPM). Precision RV 500 Water Heater and Precision Temp ShowerMate Marine Water Heater . Again the rep was very helpful and sold me a new flowmeter which solved my problem, the unit is again functioning perfectly. Repaired the problem quickly and the heater is working fine. Very dangerous. So I thought I’d share my experience here. Free Shipping Policy excludes LTL Truck Deliveries and just a few oversized products. I had a professional plumber come in and install it because I don’t like messing with gas lines. we had a problem with the ignition bored, they sent us out a new one right before the warranty was up and the ignition trouble shooting isnt anywhere to be found. Click Here for more info. Precision Temp RV500 Review – Tankless Hot Water Heater. While there are technical differences, they’re almost identical, save the vent method. Still get tax credits, no gas to mess with, so safer AND simpler to DIY, AND you get a unit that actually pays for itself, which no fuel burner can. A temperature adjustment may be required, based on incoming water temperature, during summer or … Identical to the RV-550, the RV-550 NSP is designed to be vented through a 2 inch exhaust pipe avoiding the large wall penetration used to install the RV-550.This Precision Temp model is the only all-season, floor vented, tankless water heater for cabins, tiny houses and RVs. Gary at Precision Temp is an arrogant asshole. The RV-500 has no tank. I have tha RV 500. What if I had pulled off the cover to inspect it with my face right there as it ruptured! An arrogant, careless attitude and propane do not mix. Precision temp charges a lot for their unit, it is double or triple other units. Spent weeks doing everything suggested by precision temp, put in expensive parts they sold me , that didn’t fix problem etc. More power means your water temperature remains constant, regardless of the flow rate or incoming water temperature (at a minimum of 0.5 GPM, optimal operation 1.0 GPM). The average RV tankless water heater price is around $500, but there are also cheaper and more expensive ones. Notify me of follow-up comments by email. The install went smoothly until we had to turn the thing on. I let the gas vent out and then I got to mopping. With Pex tubing running at about 12″ on-center throughout the slab, and carrying relatively low temperature hot water, the heat is simply amazing. Most people don’t know about the 550 as its just a product variant, it’s fair to say its the same series, hence me reviewing this under the RV500 title because that’s what most people will search. This appliance must be installed in accor- dance with local codes or in the absence of local codes the following applies: Manufactured Home: Standard, Title 24 CFR, Part 3280 Recreational … Free Shipping Policy excludes LTL Truck Deliveries and just a few oversized products. Water Heater; RV-500; PrecisionTemp RV-500 Manuals Manuals and User Guides for PrecisionTemp RV-500. The temperature on your water heater has been factory set to approximately 120°F. I too have a precision temp water heater and have now replaces almost all the parts and its now out of warranty. From that time on the unit functioned flawlessly both on city water and my water pump with no re-plumbing. I plan on using a Rheem 20-gal electric water heater under the counter in the kitchen. When you do get a rep , he often isn’t in the mood to help, he will say it’s not the unit, and move on to the next call. This is all true, but their install guide says green goes to ground. It was actually removed from the original RV and installed in a new one in 2013. I unplugged it, nothing. Instantaneous gas water heater (13 pages) Water Heater PrecisionTemp RV500 Operating Instructions (4 pages) Water Heater PrecisionTemp cIAPMO-T RV-550-EC Manual. Also have a friend who’s a dealer for Rinnai, and he doesn’t have one in his own house. We later built a similar structure as a workshop for him that was earth bermed (the building was actually built into a hillside so that two walls functioned as retaining walls) and finished with a flat living roof. Had an issue with the rv 500 model and called for assistance in technical support. electric water heater that he had replaced in his main house). Water is heated instantly to 115ºF only when you request it. The south facing long wall had a full length Solexx greenhouse/entry way that was separated from the remainder of the shop by a trombe wall that featured stacked black water drums. SUBURBAN MFG tankless water heater, or precision temperature RV 550. I was annoyed by the person’s unprofessional behavior, but ultimately I realized I had a working unit and that’s all that mattered. The email was rude, the email was petty, but more concerning was that as a layman I could figure out that the unit was not assembled correctly, but the person working for the company didn’t notice a 4 inch vent hose being so loose it wasn’t seated on the connector at all. No more waiting for a small water tank to refill and no more quick, cold showers. And will come out to service it or repair it if I ever need them to do so. Tried the sink, nothing. Operating Instructions; Service Manual; RV-550 Each RV-550 tankless water heater is designed, assembled and tested by hand in the USA. So I’m cautiously optimistic that the paddlewheel will be the fix. Whether you’re just one person or a whole family, endless hot water is there for your enjoyment. This was the last straw for me, what if I hadn’t been home, the water would have flooded my entire house for hours! but when done properly the result is a structure that can literally be heated with a candle. I really did like how efficient the unit was, using a 20lb propane tank (like you have on your grill) I could have hot showers and cook meals on my gas range for around 4 months per tank! Whoa, Ryan…scary as heck and much appreciated! This video is removal of existing 6 gallon water heater & install of new tankless unit in a travel trailer. Finally I gave Precision Temp a call after going round and round, he told me to un-ground the unit by disconnecting the green wire. The temperature range of this tankless water heater varies from 46.4°F to 114.8°F and its flow rate is 1.32 gallons per minute. In expensive parts they sold me a new flowmeter which solved my problem, the RV500 will appear except! Once again, the unit put it right back in the dead of winter sounds,... In your Tiny home solidly warm, but it wouldn ’ t care too,. Noise when picked the unit would start working, but there are technical differences, ’... 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