Top 10 Ao Smith Tankless Water Heater Error Code 391

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EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

Last update was on: Tuesday, May 26, 2020

Style:ECO 11

Product Description

This Smart Technology electric tankless water heater is configured as a “whole home” model for climates where incoming water temperature is 67°F and above. This model is well suited for heating up to 2-Gallon per minute, which is the equivalent of one shower head (with a 1.5 gpm flow) and one sink with a low inlet water temperature of 67°F and an output setting of 105°F. Digital Temperature Control allows you to set your temperature in increments of 1 Degree. This model can also be used in colder climates as a Point of Use for a sink or other low flow application. All tankless water heaters are sized based on flow rate and temperature rise, and there is a direct relationship between the two. So if used in a cold area requiring a high temperature rise, it will be more limited in the amount of fixtures (gallons per minute) it can heat at one time compared to a warmer climate. When sized properly this water heater will provide endless hot water and only consume the energy needed, giving the user complete control. Prior to purchase and installation please verify this model is the right size for the expected demand and electrical requirements. The ECO 11 requires a minimum 125 amp electrical panel for installation with (1) 60 amp double pole breaker connected to (1) set of #6 awg wire. Plumbing connections are 1/2″ compression fitting with the option of 1/2″ NPT adapter included. For additional assistance please feel free to contact our support center at 877-474-6473.

NOTE : 11Kw at 220 is equal to 13kw at 240.

From the Manufacturer

This Smart Technology electric tankless water heater is configured for climates where incoming water temperature is 67 Degree F and above. This model is well suited for heating up to 2-Gallon per minute, which is the equivalent of one shower head (with a 1.5 gpm flow) and one sink with a low inlet water temperature of 67 Degree F. Digital Temperature Control allows you to set your temperature in increments of 1 Degree. This model can also be used in colder climates as a Point of Use for a sink or other low flow application. Prior to purchase and installation please verify this model is the rights size for your hot water needs and electrical requirements.

American Standard CE-20-AS 19 Gallon Point Of Use Electric Water Heater

Last update was on: Tuesday, May 26, 2020

American standard water heaters point-of-use electric models are the ideal solution for hot water requirements in locations where in it is not practical to run long hot water pipes. These models can be installed in spaces under cabinets, counters, mop sinks or in other confined areas. Residential applications come with a 6 year limited tank and parts warranty. Commercial applications come with a 3 year limited warranty on the tank, and a 1 year parts warranty.

American Standard CE-12-AS 12 gallon Point of Use Electric Water Heater

Last update was on: Tuesday, May 26, 2020

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5)- Eliminate Time for Hot Water – Shelf, Wall or Floor Mounted

Last update was on: Tuesday, May 26, 2020

Size:2.5 Gallon

Get hot water where it’s needed, when it’s needed with the Bosch ES4 Tronic 3000 T Electric water heater. This 2.5-gallon capacity point-of-use mini-tank fits right under your sink and provides a practical and effective solution to your hot water needs. This smaller model can be plugged right into a 120-volt outlet with the 36-37″ cord, or can be installed in-line with a larger hot water source to provide “on-demand” use. The glass-lined tank offers great insulation and added durability, while the heater’s fast recovery rate eliminates long waits for hot water. An external dial allows you to easily control the temperature range, and the temperature-and-pressure relief valve enhances your safety. The ES4 Tronic 3000 T from Bosch has a sleek and attractive exterior design that blends in seamlessly with existing décor when installed in a visible location, making this heater a great option in any room.

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4)- Eliminate Time for Hot Water – Shelf, Wall or Floor Mounted

Last update was on: Tuesday, May 26, 2020

Size:4 Gallon

Get hot water where it’s needed, when it’s needed with the Bosch ES4 Tronic 3000 T Electric water heater. This 4-gallon capacity point-of-use mini-tank fits right under your sink and provides a practical and effective solution to your hot water needs. This smaller model can be plugged right into a 120-volt outlet with the 36-37″ cord, or can be installed in-line with a larger hot water source to provide “on-demand” use. The glass-lined tank offers great insulation and added durability, while the heater’s fast recovery rate eliminates long waits for hot water. An external dial allows you to easily control the temperature range, and the temperature-and-pressure relief valve enhances your safety. The ES4 Tronic 3000 T from Bosch has a sleek and attractive exterior design that blends in seamlessly with existing décor when installed in a visible location, making this heater a great option in any room. Water Heater measures 13.75″ H x 13.75″ L x 13.5″ D and weighs 17.3 lbs. Do not operate this water heater if it is has a damaged cord or plug, if it is not working properly, or if it has been damaged or dropped

American Standard CE-6-AS 6 gallon Point of Use Electric Water Heater

Last update was on: Tuesday, May 26, 2020

American standard water heaters point-of-use electric models are the ideal solution for hot water requirements in locations where in it is not practical to run long hot water pipes. These models can be installed in spaces under cabinets, counters, mop sinks or in other confined areas. Residential applications come with a 6 year limited tank and parts warranty. Commercial applications come with a 3 year limited warranty on the tank, and a 1 year parts warranty.

Camplux ME25 Mini Tank Electric Water Heater 2.5-Gallon,1.5kW at 120 Volts

Last update was on: Tuesday, May 26, 2020

ECOTOUCH Electric Tankless Water Heater Point-of-Use Hot Water Heater Digital Display for Energy Efficiency 5.5kW at 240V, White

Last update was on: Tuesday, May 26, 2020

Color:ECO55-White

FEATURES

Instant hot water comes with powerful 5.5kW heating element, expect hot water for 3 seconds, perfect choice for sinks to provide endless hot water any time.

ENERGY SAVING

This tankless water heater avoids standby heat loss of those bulky storage water heaters, minimize energy waste and achieve 65% energy saving with help of its smart self adjustment technology.

HEALTHY WATER QUALITY

Traditional bulky water tanks store water for long time, causing bacterial growth and rust issue, time to get clean water via a tankless hot water heater. The ECOTOUCH unit separates water and electricity line so as to avoid issue of calcium deposits.

MULTIPLY SAFETY PROTECTIONS

Over temperature protection

Dry heating protection

Leakage protection

Water and electricity line separated

EASY INSTALLATION

Real compact design, water heater cooridates with scenes decor, above sink or under sink water heater, horizontally, vertically or obliquely installation. Comes with easy installation brackets, pipe fitting of 1/2″ NPT and 12AWG power cord(fixed to the unit) so you don’t to have to hire a plumber even if you can do it.

SPECIFICATIONS

Power: 5.5kW

Voltage: 240V~60Hz

Min. water flow to activate the unit: 0.475GMP

Max tempt rise from 67°F to 120°F @ 1GPM

Max. Amperage: 23A

Recommended wire size: 12AWG

Required circuit breaker : 1x 2-Pole 30 AMP

KINDLY NOTE

1.The unit is mainly for sinks, not for shower purpose.

2.The tankless water heater should be installed professionally.

3.Please read instruction manual carefully prior to installation and use!

PACKAGE INCLUDES

1X ECOTOUCH 5.5kW instant water heater

1X Instruction manual and warranty card

1X Installation accessories

1X Remote control(for Black model)

Atmor AT-910-24TP ThermoPro 24 kW/240V 4.6 GPM Digital Tankless Electric Water Heater, Grey

Last update was on: Tuesday, May 26, 2020

Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, small, GREY

Last update was on: Tuesday, May 26, 2020

Professional classic® tankless electric water heaters offer continuous hot water quick and on demand for single point-of-use or multiple applications

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