Each RV-550 tankless water heater is designed, assembled and tested by hand in the USA. My current neighbor has a tree company, so an unending supply of free wood chips, and we’re building a low pressure chip fired boiler that will work the same way to heat our 32’x96′ greenhouse. 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. 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. I decided to crack open my brand new unit and I’m very glad I did. Well needless to say after I went to the campground store in less than 10 minutes my problem was solved. If I were building a small/tiny home on a fixed slab this is a no brainer, but it also illuminates an area of design that I feel many tiny home enthusiasts are not taking full advantage of, and that is passive solar design (see German & Scandinavian design requirements for new residential construction for a broader view). I have had a few problems over the 5 years, however times I call the tech is very helpful and and nice. The installed hydronics proved to be absolute overkill (domestic H/W and supplemental slab heat was provided by a cheapo conventional 30 gal. 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. Radiant is THE most comfortable, period. Available on the RV-550 EC, RV-550 NSP EC, ShowerMate M-550 EC, TwinTemp-2 and TwinTemp Junior, The RV-550 EC for cabins, tiny houses, RVs, trailers, and more is a four-season, tankless water heater, The ShowerMate M-550 EC is perfect for the boater who doesn’t want to leave the comforts of home behind, The TwinTemp Junior for equestrian trailers, RVs, tiny houses, cabins, and more delivers on-demand hot water and hydronic heat, The TwinTemp-2 for RVs, trailers, tiny houses, cabins, and more delivers on-demand hot water and hydronic heat, The RV-550 NSP EC for RVs, trailers, tiny houses, cabins and more is a four-season, tankless water heater, 3428 Hauck Road, Suite G Cincinnati, OH 45241 USA, - - Installation, Operation and Maintenance, - - Installation and Operating Instructions, https://precisiontemp.com/wp-content/uploads/2020/05/Video-Natural-Gas.mp4, Designed specifically for RVs, Trailers, Tiny Houses, Cabins, and more, Conveniently installs and vents through the sidewall, Takes up half the space and weighs one third as much as a ten-gallon tank, Reliable, proven VariFlame technology control system, Conveniently vents through the floor without any sidewall penetration, Designed specifically for the marine environment, Mounts almost anywhere with standard power vent, Provides endless, on-demand hot water and Hydronic heat, 55,000 BTU burner and two 1,500 watt electric elements, Lighter, compact design that saves space and gas usage, 55,000 BTU burner and one 1,500 watt electric element. I turned the water back on to see if I could trigger it to turn off, nothing. 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. 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. I have not had hot water for months now. Free Shipping on Orders Over $200* Houseneeds; Free Shipping on Orders Over $200* Free Shipping Details. It has a stainless steel burner that makes it work for a long period time. No more waiting for a small water tank to refill and no more quick, cold showers. Before buying, you need to pick according to your budget. Obviously not. Called them and they sent me a new one and asked for me to send it back, the customer service was good on that call. No more waiting for a small water tank to refill and no more quick, cold showers. Water is heated instantly to 115ºF only when you request it. Used the thermal mass concept along with numerous passive solar design elements and ended up with a building that maintained 55F. I laid down the $1100 for the unit (gulp) and awaited it’s arrival. I have tha RV 500. I tempered this with the fact that the unit could only rise the water temperature so much, it was rated at around 55,000 btu and that inherently can only warm cold water so much. The temperature on your water heater has been factory set to the hottest setting approximately 120+°F. RV-500. The RV-500 has no tank. This was the last straw for me, what if I hadn’t been home, the water would have flooded my entire house for hours! This video is removal of existing 6 gallon water heater & install of new tankless unit in a travel trailer. I have the 500 in my motorhome right now, installed it in 2014, been a pc of crap since we bought it. Precision temp charges a lot for their unit, it is double or triple other units. I really like hot showers, one of the best things on earth, so this was disappointing. 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! The tankless system had a lot of advantages over the standard RV water heater, being much more efficient (tank style has around 55 to 60 % efficiency I believe), much quieter, besides of course the … The flashing code for the red light on the electronics box was cycles of two flashes. but when done properly the result is a structure that can literally be heated with a candle. It seemed like my options where this unit or an Atwood variant that honestly didn’t look that great as an option. 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. Plus I have not had good experiences with in-line heaters. 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”. Each RV-550 tankless water heater is designed, assembled and tested by hand in the USA. When the unit arrived I was checking it out when I noticed an odd noise when picked the unit up. Also have a friend who’s a dealer for Rinnai, and he doesn’t have one in his own house. So 12 Volt needs to be grounded or not? 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). I think there is only 1 guy getting relays to his cell phone or something. 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 In the end, I didn’t care too much, I had hot water and it was great to have hot showers. Operating Instructions; Service Manual; RV-550 The unit would start working, but the vent fan wouldn’t kick on. Water Heater; RV-500; PrecisionTemp RV-500 Manuals Manuals and User Guides for PrecisionTemp RV-500. Im going back to a tank style, please hear this, “ITS DANGEROUS FRUSTRATING GARBAGE,AND THERE IS NO HELP, DO NOT BUY IT!!!!!!!!”. 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. No propane is used to keep unused water hot. What wasn’t good, was later on, when they received the unit back; one of their staff sent a snide email telling me how there was nothing wrong with the unit and how scratched the unit was. I installed a Precision Temp RV500 in my 5th wheel a few years ago (I've since changed to the Precision Temp hydronic space heating system ("TwinTemp") which replaces the water heater as well. I expected more than a few years of service and am extremely disappointed with this company. and it got under the valve seat. I was annoyed by the person’s unprofessional behavior, but ultimately I realized I had a working unit and that’s all that mattered. there are no ignition specs to be found. That's over 50% more power than most tankless water heaters on the market! Don’t normally write reviews but I was very impressed with the service. I’ll do a post soon about what I opted for in it’s place. From that time on the unit functioned flawlessly both on city water and my water pump with no re-plumbing. Precision Temp RV500 Review – Tankless Hot Water Heater. 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. Both say the tankless are trouble mainly due to being highly vulnerable to mineralization deposits, even more so than traditional tank versions. The Excel tankless gas water heater is an efficient lightweight water heater that runs on 3 volts. 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. 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). So, did you wind up grounding the unit (green wire)? Later on we were able to get the vent fan working, but it wouldn’t light. The efficiencies are incredible since your walls and floor, once tempered, carry an amazing amount of stored heat. I did have a failure of the flowmeter assembly (paddle wheel) in Spring of 2019 due to freezing (my fault, not the unit). Suburban 5243A Electric Water Heater SW10DE with Direct Spark … This is all true, but their install guide says green goes to ground. 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). Is double or triple other units some of you folks have had professional... 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