Tankless Hot Water Heaters, Efficient, Effective, Endless.
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Takagi T-K3
Nov 14th
The T-K3 model is one of Takagi’s most versatile and powerful residential tankless water heaters. The T-K3 has Easy-Link capability, allowing owners to connect up to four units without the use of a controller unit. The TK3 can also be converted to a direct vent model to further extend its application in residential homes.
Features
This Takagi TK3 tankless has a number of features that allow it to stand out from the pack.
Compact Size: Only 13.8 inches wide, the T-K3 tankless has the ability to be recessed between wall studs for even more space savings.
Low Activation Flow Rate: The Takagi TK3 activates at only 0.5 GPM, which allows the use of smaller water flows in bathroom sinks and showers. This is a pretty standard flow rate now for new generation tankless water heaters.
Parallel Installation: Easy Link technology allows the T-K3 to be installed with up to three other units without the use of an additional control box.
Direct-Vent Conversion: The TK3 can easily use a direct vent conversion to import combustion air from outside.
Eight Temperature Settings: Some tankless manufactures have only 4 preset temperature settings, the T-K3 offers eight separate temperatures. However, if you want a specific temperature than it is required that you buy the TM-RE10 temperature controller.
Longer vent runs: The T-K3 can have a vent pipe run up to 50 feet with five elbows, instead of the normal 35 with three elbows. This can be a great addition if your particular installation has a long vent run.
Synopsis
The TK3 tankless incorporates a number of important features into one new tankless system, and should fit the needs of most high-volume residential applications. As always performance depends on the temperature of the ground water, and with winter water temperatures here in Ontario, Toronto and the Toronto region dipping to the low 40 degrees F range you can expect the T-K3 tankless to produce a flow rate around 4.1 GPM, or 246 GPH.
Specifications
| Natural Gas Input | Min. 11,000 Btu | Max. 199,000 Btu |
| LPG Input | Min. 11,000 Btu | Max. 199,000 Btu |
| Gas Connection | 3/4″ | |
| Water Connection | 3/4″ | |
| Natural Gas Pressure Inlet | Min 5.0″ W.C. | Max 10.5″ W.C. |
| LP Gas Pressure Inlet | 8″ Min. W.C. | 13.5″ Max. W.C. |
| Weight | 40 lbs | Electronic Ignition |
| Dimensions | 20.5″ X 13.8″ X 8.5″ | |
| Ignition | Electronic Ignition | |
| Electrical Supply | AC 120 V | |
| Water Pressure | Min. 15 psi | Max. 150 psi |
| Manifold Pressure | Natural 2.5 | Propane 4.4 |
Takagi T-K3 – $1495.00
Jan 21st
T-K3 – $1495.00
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The T-K3 model, also known as the “Revolutionary T-K3,” is one of Takagi’s most versatile and powerful residential units. The T-K3 offers Easy-Link capability, which allows you to connect up to four units without the use of a controller unit. The T-K3 can also be converted to a direct vent model.
Compact Size:
Only 13.8 inches wide, the T-K3 can be recessed between wall studs for even more space savings! A special recess box is available for outdoor installations.
Lower Activating Flow Rate:
The T-K3 activates at only 0.5 GPM, which allows the use of smaller water flows in bathroom sinks and showers. This reduces water waste and allows for stable temperatures.
Parallel Installation:
Using Takagi’s Easy Link technology, the T-K3 can be installed in parallel with up to three other units without the use of an additional control box, generating more flow while saving money, space and installation time. Four T-K3 unites will deliver a total of 21.6 GPM at 60 degrees F delta T; or 26 GPM at a 50 degree F delta T.
Direct-Vent Conversion:
The T-K3 can be easily converted into a direct vent model for inside installations that need to import combustion air from outside.
Eight Temperature Settings:
Instead of the usual four settings, the T-K3 offers eight separate temperatures, set by dip-switch: 104 degree F, 113 degree F, 122 degree F, 131 degree F, 140 degree F, 158 degree F, 176 degree F, and 185 degree F. This versatility reduces the need for a separate remote control. However, setting temperatures other than the eight presets requires the TM-RE10 temperature controller.
Longer vent runs:
The T-K3 can have a vent pipe run up to 50 feet with five elbows, instead of the normal 35 with three elbows.
As you can see, the T-K3 incorporates all those “why-don’t-you-have-this?” features into this one new product. Its larger flow capacity through parallel connections will meet the hot-water needs of most high-volume residential applications and many commercial projects, too. In short, the T-K3 fills the gap between the single residential heater and multiple commercial T-M1 units. Performance depends on the temperature of the ground water of course: At a delta T of 60 degrees F in warmer areas – for example, where the winter ground water is 60 degrees F and with the output set at 122 degrees F – the T-K3 will provide a 5.4 GPM, or 324 GPH. In colder areas where the input temperature may be 40 degrees F or less, expect a flow rate about 4.1 GPM, or 246 GPH.
Price:
The Takagi T-K3 is currently selling for $1495.00 if interested fill out the form HERE
TK3 Specifications:
| Natural Gas Input | Min. 11,000 Btu | Max. 199,000 Btu |
| LPG Input | Min. 11,000 Btu | Max. 199,000 Btu |
| Gas Connection | 3/4″ | |
| Water Connection | 3/4″ | |
| Natural Gas Pressure Inlet | Min 5.0″ W.C. | Max 10.5″ W.C. |
| LP Gas Pressure Inlet | 8″ Min. W.C. | 13.5″ Max. W.C. |
| Weight | 40 lbs | Electronic Ignition |
| Dimensions | 20.5″ X 13.8″ X 8.5″ | |
| Ignition | Electronic Ignition | |
| Electrical Supply | AC 120 V | |
| Water Pressure | Min. 15 psi | Max. 150 psi |
| Manifold Pressure | Natural 2.5 | Propane 4.4 |
View or Download the Specifications Sheet – Click to View
Rinnai Concentric Venting
Apr 28th
Rinnai Venting
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Rinnai tankless water heaters use a single tube for their venting, how do they do this? It’s quite a simple process that prevents two holes from being drilled in your wall. As you can see in the picture of the elbow, the vent pipe has two distinct sections. This type of venting piping is called concentric venting.
The tankless concentric vent pipe handles both the incoming supply air as well as ejecting the toxic exhaust gases. This form of tankless venting can save an extra hole in your wall and thus reduced risk of air leakage.
Concentric venting is really quite expensive as the pipe is made from stainless steel. On average you are looking at about 60 dollars per foot plus installation. This is why it important to position a Rinnai tankless water heater as close as possible to its venting termination point.
Conventional Tank Thermal Images
Jan 30th
Hot Water Tank Thermal Images
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Here are some thermal shots of a conventional hot water tank, as you can see there is a lot of heat loss
occurring. Sure during the winter months this is probably not a very big deal as the heat leaks into the house. During the summer when you are paying copious amount of money to keep your house cool a conventional tank sits there 24 hours a day leaking heat, and costing money. Additionally if you can see the vent pipe coming off the tank it is quite warm, this is wasted heat and energy being directly
vented outside. That is lost energy and money for you. A tankless water heater has a much higher efficiency rating which significantly reduces the amount of heat and energy vented out of the house. The increased efficiency also means that there is less heat escaping into your home during the cooling season.
More pictures to come soon.
If you are interested we can bring the thermal camera out on an in home consultation and you can see first hand why your conventional tank is one of the largest energy waters in your home. Fill out the simple inquiries form and we will contact you within 1 business day (please specify if you would like us to bring the thermal camera).
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Navien Tankless Error Codes
Apr 25th
Posted by administrator in General Info
23 comments
Navien Tankless Error Codes
This is the Entire list of Error codes for the Navien tankless water heater.
These troubleshooting tips are for models 180, 210, 240.
If you have any further questions send an email or post in the comments section and we will try to answer all inquiries.
3. Check the heat exchanger, remove and clean with a solution
3. Check the igniter for spark
2. Check the igniter for spark
2. Replace the thermistor
2. Replace the thermistor
2. Check and clean the fan motor
2. Check and clean the air filter
2. Check intake air pipe
3. Check the ground wire
4. Check power supply
2. Check the GFI
2. Clean the inlet water strainer
3. Check the automatic flow adjustment valve
4. Check the heat exchanger: remove and clean with a cleaning solution
2. Replace thermistor
2. Replace thermistor
2. Check and clean the air filter
3. Check the automatic flow adjustment valve
4. Check the heat exchanger: remove and clean with a cleaning solution
2. Replace thermistor
2. Replace thermistor
2. Replace leaking parts
2. Check the water flow sensor
3. Check the cold water main
2. Replace thermistor
2. Replace thermistor
2. Fill the LPG gas
There will be error codes on both the remote control and on the computer board on the main unit.
To reset a Navien tankless water heater either unplug the unit and wait a minute to plug it back in again, or press the power button on the remote control off and then back on again.
If Nothing else works call Navien’s Tech Support at 1-800-519-8794