Voltura TP29E 29 kW 240V Electric Tankless Water Heater
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A busy household needs a hot-water plan with some real capacity behind it. The Voltura TP29E brings 29 kW at 240V to the upper end of electric tankless heating, making it a strong candidate for larger warm-climate homes and projects with cooler incoming water. In our kW-based heater-map classes, that means 1.5-to-2 bathrooms in cold climates, 2-to-2.5 in moderate climates or 3 bathrooms in warm climates.
This is more than a big heating element in an attractive cabinet. Flow and temperature sensors work with automatic power modulation to maintain the outlet temperature you choose within the unit's capacity. The digital display and front temperature buttons put that control right where it belongs. A maximum setting of 125 degrees Fahrenheit, 0.5 GPM activation and 3/4-inch NPT connections give this high-capacity model a clear, usable specification.
Plan for three dedicated 240V circuits with three 40A double-pole breakers and a maximum current of 120A. The TP29E is an indoor wall-mounted heater and can accept preheated water as a booster when the installation calls for it. For shoppers who want a substantial whole-house digital model without moving to the four-feed TP36E, it is a persuasive upper-range choice with a five-year limited original-owner warranty.
Details
- 29 kW at 240V for higher-capacity household applications
- Sizing class: 1.5-2 baths cold, 2-2.5 moderate or 3 warm climates
- Automatic power modulation using flow and temperature sensors
- Three dedicated 240V feeds; 3 x 40A double-pole breakers
- Digital temperature selection up to 125 F
- 3/4-inch NPT connections; accepts preheated water as a booster
- Five-year limited original-owner warranty; conditions and exclusions apply
Tech Specs
| Model | TP29E |
|---|---|
| Heating type | Electric tankless, automatic power modulation |
| Rated output | 29 kW at 240V |
| Maximum current | 120A |
| Dedicated power feeds | Three 240V circuits |
| Circuit breakers | 3 x 40A double-pole |
| Wiring | 3 x 8/2 AWG with ground |
| Ground conductor | One 10 AWG ground conductor per 240V circuit |
| Water connections | 3/4-inch NPT |
| Minimum activation flow | 0.5 GPM |
| Working water pressure | 7-150 psi |
| Maximum temperature setting | 125 F / 52 C |
| Unit dimensions | 18.74 x 4.53 x 14.76 inches |
| Unit weight | 12.17 lb; not boxed shipping weight |
| Installation | Indoor wall mounting, water connections at bottom |
| Warranty | Five-year limited warranty for the original owner |
Diagram
QUESTIONS & ANSWERS
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How large and heavy is the TP29E unit?
The TP29E measures 18.74 x 4.53 x 14.76 inches and weighs 12.17 lb. Those figures describe the heater, not the packed shipping carton. Provide extra space for required clearances, supported plumbing, electrical connections and access to the unit for maintenance. -
Can the TP29E go outdoors or where temperatures freeze?
No. The digital heater is intended for indoor household use and must be protected from freezing and moisture exposure. It mounts upright with water connections at the bottom. Freezing can damage the heater, and freeze-related damage is among the warranty exclusions, so location is part of the installation plan. -
What are the TP29E water connections?
The TP29E uses 3/4-inch NPT water connections, operates at 7-150 psi and activates at 0.5 GPM. Correct piping support and a layout that allows leak checks and maintenance belong in the plumbing plan. -
Can the TP29E be installed after a preheating system?
The TP29E accepts preheated inlet water and can act as a booster. It still needs all three specified power circuits and a properly designed plumbing installation. A booster application does not change the unit's temperature limits, mounting requirements or need for professional installation. -
What is the highest temperature setting on the TP29E?
The maximum selectable setting is 125 F, or 52 C. The digital display and front buttons provide temperature control. Water above 120 F can cause burns, so choose a setting suited to the household rather than automatically selecting the highest available temperature. -
Does the TP29E adjust its heating power automatically?
Yes. Water-flow and temperature sensors allow the TP29E to modulate power to its heating elements toward your selected outlet temperature. You choose the temperature using the front controls. This automatic operation is the key difference from the compact Voltura heaters' manually selected LOW, MEDIUM and HIGH power levels. -
Why choose the TP29E instead of the TP24E?
The TP29E offers 29 kW at 240V instead of 24 kW, giving it more available heating power for colder incoming water or greater demand. Both are digital, automatically modulating models with three specified electrical feeds. The right choice follows the hot-water load and available electrical service, not cabinet appearance alone. -
What bathroom sizing class does the TP29E fall into?
Our kW-based guidance places the TP29E in the 1.5-to-2-bath class for cold climates, 2-to-2.5 baths for moderate climates or 3 baths for warm climates. Incoming water temperature and the fixtures used at the same time remain important. It is an upper-range whole-house candidate, not a point-of-use sink model. -
How many circuits and breakers does the TP29E require?
The TP29E requires three dedicated 240V circuits with three 40A double-pole breakers. Its maximum current is 120A, with three 8/2 AWG cable runs with ground and a 10 AWG ground conductor for each circuit. This is a professionally installed multi-feed heater, not a single-breaker appliance. -
Can a very low-flow faucet fail to activate the TP29E?
Yes. The heater needs at least 0.5 GPM through the unit to activate. If flow is below that threshold, the heating elements may not turn on. That is different from the heater's overall capacity; inlet temperature and the total flow from running fixtures determine the heating demand. -
What upkeep helps protect the TP29E?
Clean the inlet pre-filter every six months and plan periodic descaling to control mineral buildup. Maintain the heater annually, with more frequent attention in unusually hard water. Accessible mounting and maintenance valves make this care practical without dismantling the surrounding installation. -
Does the TP29E include a five-year warranty?
The TP29E comes with a five-year limited warranty from purchase for the original owner buying through an authorized reseller. It addresses covered material, workmanship and leakage defects through replacement parts or a replacement heater. Labor and return transportation are not covered; the stated installation, maintenance and other exclusions apply.
