Takagi T-H2 PDF Manual

This is the Takagi tankless water heater manual for the condensing unit. It is for both the indoor and outdoor units, although I don’t recommend that the outdoor unit be installed

here in Toronto.

FOR : T-H2-DV and T-H2-OS

You must have Adobe reader to view this file. Get it HERE if you dont.

Click on either of the two below to access the manual.

DOWNLOAD or VIEW

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Takagi Condensing Tankless

Here is the Takagi T-H2 Condensing Tankless hot water heater, there’s a lot to cover so lets get started.

Takagi Tankless Benefits

1. PVC venting
2. 95% efficient
3. 4.6 GPM in dead of winter
4. 8.5 GPM in the summer
5. Direct vent capability

Info

The T-H2 model is available as a direct vent or an Outdoor model only. Takagi’s T-H2 “2nd Generation High Efficiency Tankless” unit, is a very energy efficient tankless unit (up to 95% in thermal efficiency) in the Tankless industry.  The T-H2 was apparently designed for residential and light commercial use and offers Takagi’s Easy-Link to join multiple units.

The T-H2 can provide upwards of three showers’ worth of water simultaneously in colder climates.

The T-H2 can be vented with PVC, providing 0 clearance for DV installations. PVC venting can be used in all applications and apparently Takagi says that 3″ exhaust venting is now available (previously it required a 3″ intake and a 4″ exhaust).

The primary heat exchanger is made of “Heat Resistant Alloy” HRS35 Copper, Takagi has also added a “High Corrosion Resistant Stainless Steel” #316L secondary heat exchanger to recover waste heat from the vent stack before it leaves the unit to preheat the incoming ground water. This second heat exchanger and the resulting condensation that forms from the high efficiency operation, classify it as a “Condensing” Water Heater.

Download the official Takagi T-H2 Manual Here.  Must have a PDF viewer.

DOWNLOAD

Specifications

As we all know Canada can has winter, and this affects our ground water temperature.  The higher the tankless has to heat ground water up the lower the output flow of hot water is.  Ontario’s ground water fluctuates with the coldest temperatures occurring in February and the warmest is September.  Toronto, Hamilton, Brampton, Scarborough, Mississauga for example are places that rarely see ground water temperatures dip below 40 degrees Fahrenheit.  Thus its safe to assume a minimum of 4.6GPM in the worst of conditions.

Download the official Takagi T-H2 specifications sheet here.  Must have PDF viewer.

DOWNLOAD

Conclusion

If you are looking for a condensing tankless that is relatively cheap and flexible for installation the Takagi condensing unit is definitely one that you should consider.  This unit is $2575 our price and the Suggested Retail is $3920, which is considerably more.

Fill out the form below if you are at all interested in this or any other Tankless Water Heater.

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T-H1 – $2575.00

The Takagi T-H1 is a condensing tankless water heater, meaning that it is 95% efficient and qualifies for the full 750$ in government rebates (if you have completed the home energy audit).

Significant benefits of this unit are:

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T-K3-SP – $1195.00

The T-K3-SP is perfect for smaller homes or cottages. This unit can easily run 1-2 bathroom houses. With the cold ground temperatures in southern Ontario you can expect about 2.5 to 3.5 GPM and upwards of 7GPM in the summer. This Takagi is an exceptional price for such a low cost. Homeowners should expect between 82 and 85 percent efficiency for this unit on natural gas. Should you choose to go ahead with an energy audit you will receive a governmental rebate of 630$.

Pictures and Further Specifications to come.

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T-KJr – $995.00

Here is the T-KJr from Takagi, it is a small unit and is great for any small applications (cottages, condos, etc). Priced at only $995 Canadian.

Full specs will be coming soon.

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Takagi Tankless Condensing Unit

The Takagi Flash T-H1 tankless water heater is a new condensing unit available to house hold consumers. This tankless heater has an average efficiency of 95% with propane as its fuel source and 92% when natural gas is used. In our Canadian climate you can expect about 4 plus gallons per minute in the dead of winter, and much more in the summer when ground water is warmer.

The Flash T-H1 is able to provide about 3 simultaneous showers when ground water is at or below 40 Fahrenheit. This tankless is unique in that it has two heat exchangers which enable the water passing through to absorb much (90 to 97 percent of it) of the heat generated from combustion. The stainless steel secondary heat exchanger has been added to collect waste heat from the units vent stack and divert it to pre-heating the incoming water. This secondary exchanger causes some condensation that is slightly acidic, Takagi has included a collector and a built in neutralizer that allows the drainage to be plumbed into your standard drainpipe.

This tankless water heater employs a variable gas input which allows the unit to produce only the amount of heat necessary to warm the water to a household’s desired temperature. At a maximum this tankless can produce 199,000 BTU’s per hour and in ideal conditions provide 10 gallons of hot water per minute.

There is a downside, the Takagi condensing tankless water heater is quite expensive, but it is one of the higher end units with a very high efficiency rating. Also unless you buy the Takagi temperature controller you are limited to only 4 preset temperatures, 113 F, 122 F, 140 F, and 182 F.

This is a very interesting system but we havent had any direct hands on experience to draw on yet.  We should be getting a trial system soon at which point we will provide a new update and evaluation.

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- Takagi is the First tankless water heater company specializing in tankless-only products to enter the North American market.
- Takagi is the First tankless water heater company to offer a tankless product (the T-H1) with an amazing thermal efficiency rating of up to 95%.
- Takagi is the First tankless water heater company to offer a “direct vent convertible” tankless model (the T-K3) which allows you to convert the unit to a direct vent unit.
Takagi is the First tankless water heater company to utilize the air-fuel ratio rod, a unique safety device.
Takagi has 10 tankless units to choose from, they range from small residential heaters that are capable of 3.0 gallons/minute to large industrial systems that are able to produce 7.9 gallons/minute. Of course most of their systems are smart link capable which doubles their output.

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