Ascaso Bar 1 Group Commercial Espresso Machine, Tank Only – 110V

$1,999.00 $1,499.00

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Ascaso Bar 1 Group Commercial Espresso Machine

We consider the Ascaso Bar 1 group as the perfect espresso machine for espresso catering! Why? Its nice and big for great presentation, has a large reservoir for less refilling, and a huge steam boiler, separate from the coffee thermoblocks, for maximum steam power!

With this design, the thermoblock right over the coffee group helps with temperature stability. Warm up time with 110 volts is about 30 minutes. Not needing 220 volt outlets which are hard to find when doing espresso catering, it works nicely under 110-120 volts with 20 amps circuitry (2300 watts).

This is why we love the Ascaso Bar 1 group for espresso catering.


Thermoblock / Boiler system

The grouphead on the Ascaso Bar 1 Group has it’s own thermoblock for making espresso. With a thermoblock, fresh water is used every time in contrast to boilers that have water sitting. Thermal stability isn’t an issue since the internal pipes are over 30 inches long. The thermoblock consists of aluminum and stainless steel. The stainless steel is the internal pipe that the water passes through. So no water actually touches aluminum. This reduces any chance of limescale buildup.

The boiler in the back of the machine is used for hot water and steaming. It’s 4 liter size helps ensure lots of steaming capacity and water dispensing. The steam boiler is also made of stainless steel to help reduce limescale buildup.

Lighted work area

There is a switch in the front upper right panel. This turns on a row of lights on both sides of the grouphead. These lights will illuminate the drip tray area. It also helps give the Ascaso Bar 1 Group extra flare in a low lit cafe / restaurant.

Electronic controls

The controls are very simple.

The power controls are on the front lower left panel. The large black knob activates the heating elements. Switching to position 1 only activates the thermoblocks. Switching to position 2 activates the thermoblocks and the boiler.

Underneath the black knob is a push button power switch. This switch turns on the grouphead.

In the front upper right is a rocker switch. This activates the lighting of the work area.

On the upper front panel is your controls for coffee and steam. The row of S, L, XL buttons control the espresso for each grouphead. The S and L buttons are for electronic dosing. The XL button is for semi-automatic dosing.

The knobs on the left and right control the steam wand and hot water wand respectively. Turn counterclockwise to activate and clockwise to deactivate.

Water tank

Conveniently slides out from the right side of the machine. At 4 liters, it cuts down on refill time. Also refilling from the side reduces chances from water spilling inside the machine.

Vibration pump

Using vibration pumps help bring the cost down on future replacements.

Adjustable legs

The legs measure approximately 60 mm in diameter and are stainless steel. This helps ensure a very stable unit. The feet raise the unit about 2.5 inches off your counter. The feet are adjustable to increase the height of the unit approximately 1 more inch. Each foot is independent of each other so it can easily adjust to an uneven surface.

Steam / water wand

The steam wand is on the left of the machine. It’s multi-directional which allows you to steam to the side of the machine. There is a rubber grip on the wand to help prevent burning your fingers. The steam wand tip has 4 holes which helps froth milk faster.

The hot water is on the right side of the machine. It’s also multi-directional although most people leave it in place. The short stem allows for large containers to fit underneath up to 5.5 inches.

Drip tray

The tray is made of a high quality stainless steel. It has a drain hole so your espresso machine must have a drain line connected. The distance from the tray to the portafilter spout is 5 inches.

Cup warmer

The top surface of the machine is a passive cup warming tray. The 20″ x 18″ surface allows to fit alot of cups, plates, pitchers, or anything you will utilize.

Steam pressure gauge

The gauge is on the front right panel. Optimal steam pressure is anywhere between 1 and 1.5 bar.

Easy access

Getting access to the inside of the machine is very easy. The are 4 Philips head screws on the top you need to remove. This will allow you to remove the top panel.

Accessories included
  • Dual spout (PM.126) portafilter. Measure 58 mm in diameter. This is the same portafilter used with the Ascaso Steel Professional models.
  • 1-cup (I..534) & 2-cup (I..535) filter basket.
  • Double sided aluminum tamper (V.1916). One side measures 53 mm and other side measures 57 mm. For a complete tamp, we recommend upgrading to a 58 mm tamper.
  • Plastic scoop (V..520) if you plan to use ground coffee.
  • Instruction manual available in 5 languages: English, Spanish, French, Italian, Korean.
  • This machine is NOT NSF nor ETL approved. Please check with your local health department before purchasing.


Height (inches)

18, approximate

Width (inches)

16, approximate

Depth (inches)

21.5, approximate

Weight (pounds)


Wattage (watts)


Voltage (volts)

110 – 120

Boiler capacity (liters)


Portafilter size (mm)


Country of manufacture

Barcelona, Spain



Espresso Machine Warning

  • ELECTRICAL WARNING: To avoid electrical damage to this espresso machine which is not considered a manufacturer's defect, please acquire and install a single-outlet surge suppressor rated at 1080 joules or higher. the lack of the recommended surge suppressor, the espresso machine can be damaged at the power switch, the electronics, the heating element, the pressurstat or the wiring inside.
  • WATER WARNING: To increase the useful life of and not damage your espresso machine, please use softened water. Softened water is water without calcium and without magnesium, but still has other minerals for espresso extraction. Do not use distilled water, purified water, nor reverse osmosis water as these types of water create oxidation with the metals and cause the same damaging effects as limescale.
  • DESCALING WARNING: We do not recommend descaling unless there is an issue with the espresso machine. The reason is that too much descaling can eat away at the metals and gaskets inside an espresso machine.

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    Please ask follow up questions as a new question. Submitted questions will be first reviewed, answered, and lastly publicized.

      Hello. Can you tell me the length of the power codes? Is this single phase? Can I use it without any problem with the 20A cents in the house? please.
    1. 0 votes
      Q Hello. Can you tell me the length of the power codes? Is this single phase? Can I use it without ...... Read more answer now
      Asked by dan on January 9, 2021 12:35 pm
      Answered by the admin

      The length of the cord is around 52 inches. It is single phase. We attach a 20 amp plug so a 20 amp circuit is necessary.

    2. Is 2300w of power consumption when using espresso and steam at the same time? Power consumption only for espresso Power consumption only for steam Do you know each?
    3. 0 votes
      Q Is 2300w of power consumption when using espresso and steam at the same time? Power consumption ...... Read more answer now
      Asked by dan on July 8, 2020 1:02 am
      Answered by the admin

      Independent power consumption is not advised because both thermoblock and steam boiler can both come on at the same time.

    4. can you to backflush this machine?
    5. 0 votes
      Q can you to backflush this machine? answer now
      Asked by jorge on April 24, 2020 6:33 am
      Answered by the admin

      Yes, this espresso machine can be backflushed.

    6. Using the filter option during my search for a direct connection water line machine, this machine SKU: BAR1GSS pops up. However, there is no mention in the description or specifications that this machine can be hooked up directly to a water line. Can you please confirm if this is possible or not? Also, does it really take 30 minutes to heat up for espresso coffee (not steaming). Thank you.
    7. 0 votes
      Q Using the filter option during my search for a direct connection water line machine, this machine...... Read more answer now
      Asked by Vlad Papov on February 5, 2019 3:53 pm
      Answered by the admin

      This machine is a tank model. It does take 30 minutes to warm up because of the stainless steel lined thermoblock for the coffee and the large steam boiler.

    8. can i use pods with this machine?
    9. 0 votes
      Q can i use pods with this machine? answer now
      Asked by carol pearcy on July 25, 2018 10:17 pm
      Answered by the admin

      Yes, but some optional parts will need to be changed as well as the basket. In this case, only ESE pods can be used and no ground coffee.

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