((In staying true with this sites policy of giving accurate info I wanted to include that to my knowledge NO tankless water heater is MH approved for interior installation.))
I am in agreement with this statement but sometimes a little research can change the facts. I have always been accurate in the information I have provided to this board and feel it is my responsibility to never deviate knowingly from the facts.
Below is a list of Electric and Gas instant water heaters that according to there web site are allowed to be used in Mobile Homes.
Actually ALL electric tankless water heaters are allowed to be used inside Mobile Homes to the best of my Knowledge and some Takiag gas models as well as long as the gas units are accessed from outside (sealed area from indoors). I have provides the source of my post as well.
• Are the AquaStars Tankless Water Heaters approved for mobile homes?
No. However, PowerStar and PowerStream instantaneous electric water heaters can be used in mobile homes.
http://www.houseneeds.com/shop/HeatingP ... s.htm#faq4
From Takagi manual
Manufactured Home (Mobile Home ) and Recreational Park Trailers
WARNING : Read and Review this entire Manual with special emphasis on the Combustion and Ventilation For your safety and follow it for your safety.
This appliance must be installed in accordance with the Manufactured Home Construction and Safety Standard (Title 24, CFR ; Part 3280 ) and ANSI A119.5 for Recreational Park Trailers, the following instructions the instructions supplied with the vent termination, local codes and utility company requirements governing the installation of water heaters in manufactured home ( mobile home ) and Recreational Park Trailers and/or in the absence of local codes, the latest edition of the National Fuel Gas Code, ANSI Z 223.1/NFPA 54 and ANSI A119.5/NFPA 501D.
Location
This water heater must be installed within an enclosure so as to separate the water heater’s combustion and venting system from the interior atmosphere of the manufactured home and trailer. All air for combustion must be obtained from the outside atmosphere. And the products of combusted gases ( flue gases ) must be discharged directly to the outside atmosphere through the gas vent. There must not be any door or other opening into the water heater enclosure from the inside of the manufactured home. Please refer to installation diagrams.
Source
http://lowenergysystems.stores.yahoo.ne ... ll.html#mh
Electric Tankless Water Heater Applications
Residential /Domestic Hot Water Water Heating:
Tankless water heaters have been used for decades throught Asia and Europe as general domestic hot water heaters. During the last decade, North American manufacturers have adapted the technology to handle the more demanding flow rates typically found in most whole-house residential applications in the USA and Canada. The modern electric tankless water heater is ideal for single family homes, condos, apartments, mobile/manufactured homes, guest houses and vacation properties. In recent years, builders, real estate developers, and hotel/motel operators have also seen the benefits of tankless water heaters in adding value to their projects.
Source
http://www.gotankless.com/mark_1.html
SEISCO¨ PATENTS, U.S.
UNITED STATES PATENTS:
#6,246,831 issued June 6, 2001
#6,080,971 issued June 23, 2000;
#5,866,880 issued February 2, 1999;
#5,325,822 issued July, 1994;
#5,216,743 issued June, 1993.
Feel free to go to the US patent office (link below) and enter our patent numbers.
US PATENT OFFICE LINK
Most recent patent allowance in June, 2001, for U.S. Patent application filed June, 1999, #6,246,831. In addition to the U.S. patents, there are many foreign patents issued as well as foreign patent applications in process.
Manufactured Housing: SEISCO was first introduced to the manufactured housing industry in November, 1998.
After over three years of very difficult work, Seisco was granted several special use provision exceptions under HUD's Manufactured Housing Construction and Safety Standard.
These accomplishments provided recognition to a tankless water heater as a viable whole house water heater for HUD manufactured housing.
The most recent provision was granted August, 2000. Silvercrest Homes, Homes of Merit, both of which are divisions of Champions Enterprises, Inc., Palm Harbor Homes, Fuqua Homes, Four Season Homes, Fleetwood and Town and Country Homes, a division of Cavalier Homes, are among several of the top ten manufactured housing companies in the U.S. offering the Seisco.
Source
http://www.seisco.com/pages/tankless-patent.html
T-K1 On-Demand Water Heaters
JMS Sales is the Manufacturers representative for Takagi Industrials T-K1 On Demand Natural Gas or Propane Tankless Water Heater. Takagi Industrial has obtaind AGA approvals and meets the Park Trailer industry requirements for water heaters. Takagi Industrial and JMS Sales have been promoting the space saving design with the capacity equal to that of a 75 gallon water heater. The T-K1 measures only 24.5" tall 16.5" wide and 8.5" deep. It can be installed indoors or outdoors and produces better than 200 gallons per hour of 140 degree F hot water. The versatility of this unit coupled with the reduced size and light weight (67lbs) make the T-K1 a great match for the Manufactured Housing Industry.
Contact JMS Sales - Joe Sanders at
jmsanders@earthlink.net
Source
http://www.net5000.com/mhd/press1.htm
Multiple Uses:
This amazing instant water heater is designed for one point of use at a time and it can be connected to the existing hot water piping. It is Ideal for small apartments, flats , hunting cabins and small homes as well as boats, campers , RV’s and mobile homes.
It delivers over 96 gallons of hot water an hour with a 45 degree rise in temperature. This means that if your tap water is at 65 °F , it will instantly deliver 96 gallons of hot water an hour of water at 110 °F.
Source
http://www.excelamerica.com/calentadores_eng.htm
We own the patented “NASA flow switch technology” that works flawlessly ( US Patent No. 6,552,283.
We are compliant with the new UL499 (Underwriters Laboratories) Standards for Tankless Water Heaters.
CSA Canadian Standard Association
HUD Department of Housing and Urban Development (required for any Government project or mobile home manufacturing).