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The Bosch Tankless Water heater Is Powered By Propane Gas Or Natural Gas...
Bosch tankless water heaters heat water at very low costs by using propane
gas or natural gas.
When looking at a tankless water heaters you must look at the
Energy
Factor and
First Hour Rating or actual water flow rates at different
temperature increases. I am going to discuss the properties of the Bosch
tankless natural gas and propane water heaters
Which water heater is better? - The propane or natural gas tankless?
For general information to help in assessing propane versus natural gas tankless
hot water heaters.
The following is general publicly available information on Bosch tankless
water heaters ..... Available with pilot light, automatic flame
failure gas cutoff and safety
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Interlocked controls.
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Copper heat exchanger
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Available in LP or natural gas models
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Temperature selection knob allows wide range of continuous flows and
temperatures
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Efficient modulating burner automatically adjusts to water flow.
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Units may be connected in parallel in order to double the capacity of a
single unit
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Warranty. Residential Units come with a 10 year Heat Exchanger and 2 year
on parts.
Bosch tankless water heaters claims...
"Save up to 30% on your gas bill, conserve energy and protect the
environment, never run out of hot water, save space and have a smart, long term
investment that is going to continue to pay off for as long as you burn gas..."
Natural Gas, Propane Heating Oil Costs For Water Heating
You only have to burn gas when you turn on the hot water tap if you are using
the Bosch Instantaneous Water Heater There can never be a day that you and your
loved ones will ever run out of hot water. (This would be a terrible thing in
winter).
The Bosch tankless water heaters brand is one that you can rely on all the
time. The water heater is of good quality, reliable and economical to supply you
the homeowner with the best water heating solutions available.
| Bosch tankless water heaters ... models available |
| W125-K |
WR400-1K |
WR400-3K
WR400-7K |
WR430-3KVM |
| Available in Natural Gas!
This small and compact unit is available in propane and also in Natural
Gas. It is common in cottages for hot water supply, RV hot water tankless
heaters and marine tankless hot water heaters, hot tub water heaters.
Bosch products are perfect for all portable water heater situations such
as animal grooming water heaters, bush showers, mobile home hot water
heaters and mobile blind cleaning trucks, mobile food service trucks. |
This flow controlled, modulating unit, combines
high efficiency with high output, plus minimum flow rate. Output temperature
may be preset to any level between 90 degrees F and 140 degrees F.
Suitable for single family residential or commercial/industrial,
including use as a 180 degree F booster for sanitation systems.
The WR400-1K is compatible with all residential appliances and plumbing
equipment. Simple to install, no field adjustments necessary. |
These new units have all the same advantages as
the WR400-1K plus electronic ignition with no continuous burning pilot
flame.
They are the only high efficiency water heaters of this type in North
America today that will continue to provide hot water during a power
failure.
WR400-3K(B)
is powered by two 'D' cell batteries with a 12-18 month life span with
low battery warning light.
WR400-7K
is powered by a flow activated internal micro hydro generator |
This new unit comes with a built in,
Whisper Quiet Power Venter
allowing you to reach 15' to an outside wall without special venting
materials. Comes with extension terminal complete with anti-backdraft
flapper. Also comes with 36" power cable and plug. Suitable for same
applications as other WR Bosch models. |
Bosch tankless hot water heater specifications that you can use for
comparison purposes
| Important Specifications For Assessment Of Performance |
| Parameter |
W125-K |
WR400-1K |
WR400-3K
WR400-7K |
WR430-3KVMl |
| Energy Factor |
0.68 |
0.69 |
0.80 |
0.78 |
| Rated BTU/Hr |
40,000 |
117,000 |
117,000 |
130,000 Nat Gas
125,000 Propane |
| Hot Water Output (depends upon temperature rise) ... galls
per minute |
| 45 degrees F rise |
1.3 |
1.0 to 4.0 |
1.0 to 4.0 |
1.0 to 5.0 |
| 90 degrees F rise |
0.66 |
0.5 to 2.1 |
0.5 to 2.1 |
0.5 to 2.5 |
Compare to this data from GAMA .....
|
Type |
Energy Factor Parameter |
Energy Factor |
|
Tankless Hot Water Heaters ... natural gas or propane gas |
MAX value |
0.85 |
|
Tankless Hot Water Heaters ... natural gas or propane (also called LPG) |
MIN value |
0.64 |
|
Tankless Hot Water Heaters ... natural gas or propane (also called LPG) |
AVG all values |
0.75 |
Energy Factor in simple terms means that if the Energy Factor is high then
the annual cost of power to run the tanklless hot water heater or the storage
heater will be lower than it would be if the Energy Factor was low. Gas tankless
water heaters have an Energy Factors that ranges between 0.64 and 0.82
The First Hour Rating is the amount of hot water the heater can supply
in an hour. If you are using a storage tank system then this means that the tank
will be full of hot water at the beginning of the first hour.
You can read a wide range of
water usage articles.
They discuss the use of water in the house and home ... topics covered include
filters, heaters, softeners and water in the garden.
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