If you have a question, read our frequently asked questions to learn more about our products and finding the answers to the questions you have.
What are the required amperage and voltage and maximum Kilowatts? see table here
Is it single phase or three phrase?
Single
Has the unit been tested to UL standards?
Yes, compliance # 499
Does it meet ANSI/Low Lead standards?
Yes, NSF/ANSI-372 Certified
What is the warranty?
Ten years on casing; One Year on components.
What is the expected life of the unit?
Approximately 10-20 years depending on water quality, usage and environment.
Is it safe for children?
Yes, No flames or gas and it will not engage from leaking faucets.
Will it give off any radiation?
No.
What's the energy savings?
Approximately 60% on the water heating cost against a conventional heater.
What's the weight of the unit?
Weight runs from 8 Lbs to 12 Lbs.
What are the measurements of the unit?
H 10" x W 7" x D 2.75"
What are the measurements of the box for shipping?
H 12" x W 9" x D 4.75"
How many gallons of hot water per minute will it produce ?
It depends on the model, see the spec.
What is the temperature of the water?
The power mode control can be adjusted to increase or decrease water temperature.
How long does the water take to get hot enough to take a shower?
The water passing through the heater gets hot instantly. The time will be determined by the distance the water must travel. (Ex. If the unit is 20 feet from the point of use, the water in the pipe between the unit and the point of use must be removed first so it would get there approx. 20 seconds after the water is turned on, but after that you will enjoy endless hot water, even if Mom starts the washing machine, Dad decides to soak in the tub, and Sis needs to wash her hair.)
What size is the inlet?
1/2" and 3/4" in the series 4 models
What size is the outlet?
1/2" and 3/4" in the series 4 models
Can a traditional heater be replaced with a tankless heater with no additional plumbing or electrical work?
The plumbing requires one line in from the main and one line out to the house (same as a conventional water heater). Always check with a qualified, professional electrician
What happens if I need to repair my Titan tankelss water heater after the warranty?
We are a qualified repair center. There are two rate of $75.00 and $85.00 (plus shipping charges back to you via UPS Ground and an additional 1 year warranty)
Why should I buy your product rather than that of the competition?
Our units are the original Tankless water heaters. We have been building Tankless water heater here in the United States for a quarter century. We design, develop and test all our own units and are constantly looking for better ways to improve. One major improvement has been the P.I.D controller, this design makes older on/off technology obsolete.
Why should I buy the Tankless water heater over the conventional water heater?
60% saving on energy for heating water (Heating water accounts for 25% of the average household's energy bill), saving on space, easy to install, no vent required, no points or moving parts, all copper and brass inside, no tank to rupture to cause flooding, will not engage to dripping faucet, heats water only when needed, unlimited supply of hot water, shielded heating elements for reliability and long life.
Do you install?
No, Tankless USA INC. do not offer installation services.
Who can install this for me?
Any licensed plumber can install this unit as it is easier and less cumbersome to install than a conventional water heater. A licensed electrician is needed if there is no existing 220 volt outlet. Also get all permits to insure the installation was done correctly and to local and National Electric Code.
Is this unit reliable?
Extremely reliable, easy & economical.
Is there a limit as to how long it will produce hot water at one time?
No, it will produce unlimited water at a consistent rate.
If I order today, how long will it take before I receive my heater?
All the orders we received before 4:00 pm ET, get ship UPS ground, and normally within Florida it takes one business day, and in other states between two and three days.
Is it energy efficient?
It is 99.5% energy efficient.
What actually heats the water?
A shielded heating element.
Does it come with installation instructions?
Yes, please follow all instruction and contract a licensed plumber and electrician to get all needed permits.
How resistant is the unit to hard water?
Very resistant. Brass casing and copper & brass inside.
Does it need an exterior vent like traditional water heaters?
No, venting is necessary as required by conventional tank water heaters.
What are the applications where this water heater can be used?
Houses, Apartments, Condominiums, Hospitals, Boats, Beauty Salons, Laboratories, Campers, Offices, Hospitals, Restaurants, Factories, Schools, anywhere hot water is needed.
1. Where can I buy a Stiebel Eltron tankless water heater?
Stiebel Eltron tankless water heaters are sold through plumbing wholesale distribution or distributor company like Tankless USA Inc.
2. Do you have any video resources available?
Yes, we do. For a complete collection of all our available videos, please view our YouTube channel.
3. Can the water pipes for a Stiebel Eltron tankless water heater be plumbed horizontally?
Tempra®, DHC, and DHC-E models must be plumbed vertically with water fittings facing downward only. Mini™ models can be plumbed with pipes facing either up or down, but never sideways.
On all models, you must remove the cover to access the thermal safety reset. MAKE SURE YOU DISCONNECT THE POWER BEFORE OPENING THE CASE. On Tempra® and DHC-E models, the safety thermal reset buttons are small red or gray buttons located on top of each copper heating vessel. On DHC models, the reset buttons are along the top right side of the heating vessel. On Mini™ models, the safety thermal reset button is a round, flat, black button located between the wiring block and water connection pipe.
5. Can my Stiebel Eltron tankless electric water heater be installed outdoors?
Yes, however don’t forget it is an electrical unit that must be protected from the elements. Install it so that it is protected from rain, temperatures below freezing, and critters. Fried lizards are not good!
6. Does my Stiebel Eltron tankless electric water heater need to be vented?
No, these tankless electric units do not require any venting.
7. How frequently and how do I de-scale my tankless water heater?
Stiebel Eltron tankless electric water heaters are designed for a very long service life, but actual life expectancy will be directly affected by water quality and use. If you do not already know the quality of your water, we advise testing (your water department may be able to assist). Installing a non-salt based softener or inline filter may prolong the life of your unit. Stiebel Eltron recommends the Scale TAC-ler (our Part No. 692442) for this purpose. To ensure consistent water flow, we recommend periodically checking for and removing any scale and dirt in the faucet aerators and showerheads, and in the filter screen in the unit. Depending on water hardness, scale build-up may need to be flushed from the unit every six months to a year. This will prolong the life of your water heater, and help ensure optimal performance. We recommend our Flow-aide Descaling Kit (our Part No. 540000) for this purpose. Alternatively white vinegar or CLR® Calcium, Lime & Rust Remover may be used. More info on water quality ›
Descaling procedure, step-by-step:
1. Disconnect power to water heater.
2. Close hot and cold isolation and service valves and remove service caps.
3. Pour 1.5 gallons of water into bucket and place under water heater.
4. Add contents of 1 quart bottle of Flow-Aide into bucket (bucket should be filled approximately ½ full).
5. Connect one hose pump, and other end of same hose to cold service valve. Place pump in bucket.
6. Connect second hose to hot service valve. Place other end in bucket.
7. Open both hot and cold service valves.
8. Plug pump into grounded receptacle.
9. Allow pump to circulate Flow-Aide solution through heater for 30-45 minutes. Unplug pump.
10. Close cold service valve. Remove hose from cold service valve, and replace service cap.
11. Disconnect the hose from the pump and remove pump from bucket. Discard Flow-Aide solution.
12. Flush tankless water heater for 3-5 minutes or until water flows clear by opening the cold isolation valve and allowing water to exit through the hot service valve into a drain or bucket. If using a bucket, empty periodically.
13. Close hot service valve. Remove hose from service valve and replace service cap.
14. Open hot isolation valve.
15. Connect power to water heater and return appliance to service.
8. What size Stiebel Eltron tankless electric water heater is appropriate for my application?
Our smaller, point-of-use water heaters are sized according to the desired hot water temperature, the temperature of the incoming ground water, and the flow rate at the fixture. Our larger, more sophisticated water heaters are sized according to the maximum hot water temperature desired, the temperature of the incoming ground water, and the number of bathrooms or appliances that will be supplied. Please refer to each model’s sizing guide.
9. Can I install my own Stiebel Eltron tankless electric water heater?
We recommend that homeowners hire a licensed plumber and electrician to install Stiebel Eltron tankless water heaters.
10. Are Stiebel Eltron tankless electric hot water heaters plugged in or hard wired?
Stiebel Eltron tankless water heaters must be hard wired.
11. What is the maximum temperature Stiebel Eltron tankless electric water heaters can reach?
Subject to flow rate, Tempra® and DHC-E models can reach temperatures of up to 140°F. DHC models can reach temperatures of 130°F.
12. What size flexible braided piping do I use?
Mini models require 3/8” O.D. braided steel or flex connectors. DHC and DHC-E models require ½” NPT braided steel or flex connectors. Tempra® models require ¾” NPT braided steel or flex connectors.
13. How do I winterize my Stiebel Eltron tankless electric water heater?
First turn off your power source at the breaker box. Next turn off the water line using the incoming water shut-off valve. Then disconnect the plumbing (be careful of water spills). Our units do not self-drain so the unit must be taken off the wall, and tilted to completely remove the remaining residual water. Another option for winterization is to circulate nontoxic antifreeze into the unit, and leave it in the unit until it is ready to be used again. Also, because of their compact size and easy installation, units may always be removed and stored in a non-freezing area elsewhere.
You can never run out of hot water and there are no standby losses! Save money on electrical bills each month. Our tankless electric units are 99% efficient. A Stiebel Eltron tankless electric water heater only runs when hot water is needed. Tank-type units must keep water hot, even when you are not home. Save space: our largest whole house tankless unit is about the size of a briefcase. Stiebel Eltron invented tankless water heaters about 90 years ago. Our water heaters have been designed and are continually tested to ensure they are the best tankless water heaters, and that they will last.
Yes, Stiebel Eltron tankless electric water heaters are ideal for both commercial and residential applications.
Yes, our Tempra® and DHC-E series have temperature sensors and can accept preheated incoming water temperatures of up to 131 °F.
17. I think my water heater is broken. What do I do?
First, look at your installation manual and check the troubleshooting guide there. All Stiebel Eltron tankless electric water heater installation manuals are on our website. We also have knowledgeable technical support staff who can assist with consultation and troubleshooting. Email us or call 800.582.8423 for help with your problem.
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