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Home
> Paloma Tankless Water
Heaters
Paloma
Water Heater Reviews
Review of tankless models from Japanese manufacturer Paloma
About Paloma history
Paloma Water Heater Company is one of the leaders in gas water heating industry and a pioneer in the Japanese gas residential appliances production. Paloma has been designing, developing and producing gas appliances from 1911, for both residential and commercial use.
Paloma tankless water heaters are constructed to meet the highest level of global and local safety standards not only in Japan, but worldwide; North America, Australia...
Paloma started water heating business in US in 1973 and in 1988 acquired Rheem as the largest manufacturer of water heaters in US.
Today Paloma offers a wide range of indoor and outdoor tankless water heaters that are using natural gas and propane (LP). Combi boilers are also available for residential space and potable water heating.
Main Paloma brands are:
- Paloma
- Rheem
- Solahart - manufacturer of solar water heaters
- Everhot
Feature Review
All
of the Paloma tankless water heaters for indoor installation are
equipped with
following
safety systems; ICAD
safety system or Incomplete
Combustion
Avoidance Device and Overheat
Limiter Film Wrap.ICAD is sophisticate system, designed in 1977, with a purpose to monitor and optimize gas combustion and prevent dangerous carbon monoxide production by shutting the water heater down. This was the world's first device to prevent imperfect combustion.
Overheat limiter Wrap or fire protection sensor was developed in 1997, and its main role is to provide a protection against risk of fire, by surrounding the combustion chamber with a plastic film and detecting overheating around heat exchanger.
Flame Failure Protection is the safety system where the thermocouple is used to check the proper firing and it reacts in case of the flame-outs.
Anti-boil Protector is another safety element that is using a thermistor-type temperature sensor that acts when the high temperature of hot water was reached, preventing further problems by shutting off the water heater.
Main Controller is also known as Kitchen Controller as it is used for the kitchen, laundry as well, and it allows higher temperature of hot water. This is why it should be installed in the kitchen for example.
One remote control is provided with the Paloma water heater, with an option to use a maximum of up to three different Paloma controllers.
To get the maximum temperature of 185 F or 85 C you have to purchase a commercial conversion kit.
Paloma tankless water heaters like other large, well known manufacturer is producing units that are high quality, green, high efficient and with the most innovative technology available:
- Water heaters provide an instant, on demand and endless hot water supply, with 33 higher efficiency when comparing to tank type heaters.
- EnergyStar recognized with high efficiency performance.
- All models pass strict emissions rules and safety.
- Provide longer life.
- Less waste on the landfills.
- Less space for installation.
- Option to use different venting systems.
- Indoor and outdoor installation.
Paloma Water Heater - Tankless Models
There are two Paloma water heater series you can choose from: Legacy and Digital line.
Choose Legacy gas models taking the following factors into account and if:
- Your plumbing and heater gets the low water pressure, less than 40 psi.
- There is no electric power, or is not reliable.
- Atmospheric venting is the only viable option.
Use Paloma Digital Tankless water heater in the next scenario:
- You need an outdoor model.
- Looking for variety of capacities and models.
- Your water heating system is extra large.
- Looking for the accurate digital temperature settings.
- Top of the line anti-scald protection.
Legacy Tankless 24-MD is a whole house water heater that is used for residential and commercial applications. 24-MD is the largest model, providing 264 gallons of hot water per hour, with 64 F rise (18 C), and has gas input of 178,500 BTU/hr.
Legacy PH24-M, PH12-M and PH6 can be installed indoor only, with the atmospherically B-type venting option.
Digital Paloma Water Heater Series
Digital Paloma tankless water heaters are designed for the whole house applications in three different sizes and gas inputs (BTUs).
The smallest unit, 5.3 series, provides 5.3 gallons of hot water per minute, or 223 gallons for one hour bath and the rise of 64 degrees F.
With a maximum gas input of 145,000 BTU/hr these units are ideal for small residential homes or condos with 1-2 baths.
Find more about performance and benefits of the Paloma 5.3 series tankless water heater here.
6.6 series with a 180,000 BTU/hr provides maximum of 8.4 gallons per minute, or up to 278 gallons per hour (64 F rise). This model can use both natural gas and propane for its outdoor or direct vent installation. More about Paloma tankless 6.6 here.
For medium size homes, high volume Paloma tankless 7.4 series is the right pick, as it provides 314 gallons of hot water per hour. Its gas input of 199,900 BTU, will be good enough to heat up to 3 showers simultaneously. 7.4 series are good choice as it provides great flexibility due to an outdoor and indoor installation options.
All the above Digital models are able to use digital main controller, with a temperature setting up to 140 F (60 C), while for commercial use it can be set to 180 F (82 C). To avoid scalding water use Paloma Bath Controller.
For venting, Digital water heaters, direct models are using Category III stainless steel pipes concentric or two-pipe system, while for outdoor installation there is no requirement regarding venting pipes.
Paloma provides 12-year residential limited warranty on heat exchanger and 5 years on most parts for Digital tankless, and 5/3 years for Legacy. For more info visit Paloma official website.
Paloma Water Heater - Other Important Features
Paloma water heater is nice and sleek unit with energy and space saving design, constructed for wall installation. These wall mounted gas units are built from high class materials, including stainless steel burners on Legacy, corrosion-resistant copper heat exchanger and combustion chamber. Most of the parts are very easy to replace making the unit easy to maintain and keep the performance high.
These tankless or on demand units are using an intelligent technology with self-diagnostic system and error display which helps in troubleshooting.
Paloma is also green, since it is using an innovative technology for significant reduction in NOx and greenhouses gases.
All digital models are equipped with DUOnex Systems that allows heaters to gain even more power, enhance performance and provide more hot water for your shower. You can run two Paloma water heaters by connecting them with the cable and switching to DUO mode.
Paloma tankless water heaters are equipped with a Freeze Protection that is ideal for users living in the areas with severe weather.
Paloma 5.3 models are protected to -20 F (-29 C); 6.6 and 7.4 series have electrical heating elements that will protect the unit to minus 30 F (-34), as long as the electric power is provided. Legacy line PH-24 has the ability to install an accessory kit and add -4 F (-20 C) to freezing protection.
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