VBM Domobar Junior HX Vibration Pump Tank Espresso Machine

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(7 customer reviews )

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Frequently Bought Together

Need to use single dose E.S.E. pods for decaf, then purchase with a pod portafilter.

Vibiemme Domobar Junior Espresso Machine - V3, manual, HX, tank, vibratory pump + 1st-line 3-Cup 58mm E61 Bottomless Portafilter + Ascaso 24 LT In Tank Water Softener / Particle Filter
Price for both:   $1,350.53 $1,337.02


VBM Domobar Junior HX Vibration Pump Tank Espresso Machine

Enjoy a great latte or creamy cappuccino from a VBM Domobar Junior espresso machine. VBM calls it ‘Junior’ because of its smaller footprint for those customers who do not have the room nor space for their larger Super espresso machines.

A little history… based on the great success of the VBM Domobar Super Heat Exchanger (a.k.a. HX) espresso machines in the USA since 2006, VBM has designed the VBM Domobar Junior HX in 2010 for those customers who need a smaller footprint. The VBM Domobar Junior HX offers the same

  1. ability to extract espresso and steam milk at the same time, and
  2. ability to change the pressure in the boiler which is a direct proportional relationship to the temperature.

Please note that for VBM to offer a lower price when you compare to the Super machines, the following features are different mostly due to the smaller space available inside the machine

  1. The VBM Domobar Junior’s footprint is smaller for those customers who have less space, but smaller size means less metal (lower cost).
  2. A smaller pressurestat controls the boiler. This parts requires a manual descaling.
  3. The heat exchanger has a 1.0 liter boiler which is smaller when you compare to the larger 1.9 liter boilers found on the Super models.
  4. The drip tray is smaller on the Junior.
  5. The grouphead and water tank switches are smaller.

The VBM Domobar Junior HX machine still boasts the exclusive and original E-61 grouphead found on the larger machines, the same ULKA 41 watt pump, gorgeous styling, large adjustable overpressure valve (OPV), commercial grade steam and hot water valves, multi-directional steam and hot water wands, brew and steam pressure gauges, heavy vacuum breaker valve, and one-way valve to eliminate back pressure from the boiler.

Heat exchange system:
  • Copper, insulation – The boiler is copper which retains heat better than stainless steel. Typically copper boilers are more susceptible to limescale when you compare to stainless steel boilers. Therefore, we highly recommend using a water softener. The manufacturer wraps the boiler with insulation for maximum heat retention.
  • Pull a shot & steam milk at the same time – Steam is always readily available. Hence, there is no wait time going from coffee to steam mode. Works well if entertaining a small group of people.
E-61 grouphead:
  • True Faema E-61 – The original E-61 by Carlo Ernesto Valente who brought the design from Faema to VBM. More heavy duty than other E-61 groupheads on the market.
  • Constantly heated – Hot water circulates from the heat exchanger through the grouphead and back to keep the grouphead and your portafilter nice and hot. As a result the grouphead temperature constant and stable when you compare to other groupheads that have a built-in heating element.
  • Pre-infusion – Lever next to the grouphead activates a microswitch which turns on the pump to pump water through the coffee grinds. Pulling the lever half way up will open the valve to allow water into the grouphead without activating the pump. Please note that true pre-infusion requires the direct water connection whereby the water pressure from the water line creates the true pre-infusion.
Vibratory pump:
  • Efficient – 41 watts, rated up to 15 bar with air valve bypass. You only need 9 bar to extract perfect espresso, and wattage has no correlation to longevity.
  • Cost effective – Pumps will degrade in performance over time. Replacing a vibration pump will cost less than a rotary vane pump.
Tank / reservoir system:
  • Particle filter – Protects the machine from any unseen particles from entering the boiler. You can remove this filter if you are installing an inline water softener.
  • Auto-shut off – Prevents burning out the heating element. The water tank sits on a spring activated plate. Once the water is low, the plate depresses the tank microswitch which turns off the heating element.
Separate wands for steam and hot water:
  • Multi-directional – Allows for more movement and flexibility. The wands connect to the valves on an angle to the side for even more flexibility. As a result there is less risk of burning oneself from the exposed grouphead.
  • 2-hole steam tip – Allows for a slow gradual build-up of microfoam.
  • Rotational knobs – Allows for easier control of the intensity.
Separate pressure gauges:
  • Steam (boiler) pressure gauge – Located on the left. Measures from 0 to 4 bar. Optimal pressure is between 0.8 and 1.1. Regulated by a Mater pressurstat.
  • Brew (pump) pressure gauge – Located on the right. Measures from 0 to 16 bar. Optimal pressure is between 8 and 10. You can find the over pressure valve inside left near the vibration pump.
Separate indicator lights:
  • Heating light – Located on the left side. Indicates when espresso machine is heating. Once fully heated, there is no need to pay attention to the heating light unless temperature surfing.
  • Low water level light – Located in the middle. Indicates when water level in water tank / reservoir in rear is low.
  • Power indicator light – Located on the right side. This will indicate when the machine is on.
Body panel:
  • Stainless steel – Polished to a mirror finish.
  • Easily removable – First remove the top cover. Then remove the 6 screws (3 on each side) and the wrap-around body slides off.
Accessories included:
  • Portafilters – Single spout portafilter and a dual spout portafilter. The neck has the VBM brand imprint, similar to the one on the grouphead.
  • Filter baskets1-cup filter basket which holds approximately 7 grams. 2-cup filter basket which holds approximately 14 grams. Blind filter basket which you use for backflushing. 58 mm in diameter.
  • Tamper – A cheap plastic tamper. Manufacturers will normally include a tamper like this to keep the overall selling price of the machine low. We recommend upgrading to a better tamper.
  • Cleaning brush – A simple brush for cleaning the grouphead. Ergonomically designed with an angle for easier usage.
  • Coffee scoop – A simple plastic scoop if you are using preground coffee.
  • Instruction manual – 3 separate manuals: a quick start guide, a detailed instruction manual, and a description of the machine components.

Additional information


VBM (Vibiemme)

Height (inches)

16.5, approximate

Width (inches)

9, approximate

Depth (inches)

17, approximate

Weight (pounds)


Wattage (watts)


Voltage (volts)


Boiler capacity (liters)


Portafilter size (mm)


Tank capacity (liters)


Country of manufacture

Milan, Italy



  1. Two stage power switch (on/off): Requires particular attention upon initial machine startup – when powering on for the first time, please make sure the intake reservoir hose (has large particle filter) draws in water. Once the pump activates for a several seconds and release, squeeze this hose for 3 seconds. If you hear a different pump noise, the pump is working. If the pump sounds the same, power down machine and contact us. If you hear no pump noise for the first 30 seconds of powering on, power down the machine and call us as a wire may have come off the pump.
  2. 220 volt version: This machine is available in 110 volt configuration only. 220-240 volt units are NOT available for ordering.
  3. Some assembly required: Feet are not attached to the machine.
  4. Warranty: Effective February 8, 2017, shipping to / from our facility is not included under warranty.



Common Parts

Technical Support

Warranty Information

Who handles the warranty

Eligible warranty for Vibiemme home equipment is handled by 1st-line Equipment or representative thereof. If you have purchased your Vibiemme equipment from another retailer (not 1st-line Equipment), you must contact them first in order to get your equipment serviced under warranty.

What does the warranty cover

The warranty is limited to manufacturer’s defects only.

Regarding espresso machines: Limescale buildup can lead to problems with your machine. The warranty will not cover any repairs if our technicians find limescale in your machine. Although descaling can be a good alternative to remove limescale causing minerals (calcium and magnesium), we strongly suggest that prevention is the best form of maintenance. The reason is that descalers can cause wear and tear on components inside an espresso machine. This includes gaskets, o-rings, and other metal components. However, where there is a clog somewhere, descaling will be a necessity on the specified part, area, or entire machine.

Regarding coffee grinders: As with all coffee grinders, it is very important to only change grind settings when the unit is powered on and the burrs are in motion. If you do not do this, the burrs will ‘gunk’ up and require cleaning by you every time this occurs. Changing the grind settings when the burrs are not in motion will render the grinder to only produce very coarse grinds or no grinds at all. If this result occurs, this will be considered operator error for lack of following directions, and not be classified as a defective grinder.

When does the warranty expire

The manufacturer’s warranty on new equipment is good for a period of 1 year from date of receipt which covers parts. Labor warranties may vary depending on the company you purchase from. Vibiemme products may have an extended warranty limited to manufacturer’s defect and will specifically state the extended period of time on your receipt.

Where will my equipment be serviced

In most cases, your Vibiemme equipment must be sent to a repair facility. If 1st-line Equipment will be servicing your equipment, you must either ship it or drop off at our facility in New Jersey.

How do I send in my equipment in for repair

If you are inside the warranty period and have purchased it from us, please contact us. Please be ready to provide the following information: invoice# of purchase, model of equipment, and a detailed description of the issue.

If you are outside the warranty period, whether you have purchased the equipment from us or not, please order a diagnosis. Please note that wait times can be up to 8 weeks. Our technical support staff can have a back log of repairs. As an alternative we have a listing of 3rd party repair companies across the USA that can assist you.

Customer reviews

Rated 4.8571428571429 out of 5 stars
7 reviews
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7 reviews for VBM Domobar Junior HX Vibration Pump Tank Espresso Machine

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      1. 0 votes

        The body will need to be removed (3 screws on each side OR 2 on each of the three sides) after unplugging the unit from the electrical outlet. Check the switch under the reservoir for damage. Check all wiring. Check the wires behind the power switch. Some versions had a safety thermostat, so please look inside. Otherwise, the VBM Junior espresso machine may need to be evaluated by a professional.

      2. 0 votes
        A I had a similar issue occur less than a year after I purchased my Domobar Junior. I cannot specifically recall how I solved the issue, but I do recall inspecting different switches/breakers connected to the boiler. If I recall correctly, I believe I reset one that was in an awkward location to squeeze my hands, but I managed to reset something and have not had a problem since then.
      3. 0 votes

        All electrical parts, starting with the heating element,  will need to be checked with a multi-meter for voltage and continuity.

      4. 0 votes

        The only time the brew pressure should be read is when extracting. The brew pressure gauge does NOT measure the pressure of the vibration pump. It measures the resistance of the fineness of the grind, the amount of coffee in the basket AND the tamping pressure.

        At all other times it can be anywhere from zero bar to 12 bar.

        Q. Without a portafilter installed, after the initial flush.
        A. Can be zero to 12

        Q. When portafilter with tamped ground installed.
        A. Can be 1-14 depending upon the resistance created by the grind fineness, the amount of ground coffee in the basket, and the tamping pressure.

        Q. During the first 6-7 seconds and before the first drop.
        A. The pressure will usually drop to zero bar and then take up to 9 seconds to get to 8 or more bar. However, if the resistance is not enough in the basket, the gauge may not even go over 1 bar.

        Q. And the next 20 seconds. 
        A. If the resistance is enough in the basket, the gauge should be in the range of 8-12 bar.

      5. 0 votes

        The inline water softener is a better method for the Vibiemme espresso machines as the BILT takes 15 hours of soaking in the pitcher of water.

      6. 0 votes

        Sometimes, the switch behind the grouphead needs to be inserted further into the machine. With the machine unplugged from the electrical outlet, loosen the nut holding the switch on the outside by 2 rotations. Remove the body panel by removing the three screws on both sides. Tighten the nut on the inside of the switch. This part can be difficult as the crescent wrench needs to be angled. Test and see if it improves.

        If not, the following switch should be a replacement.

      7. 0 votes
        A The ppm range seems a little high. Yes, please use the Ascaso water softener as too softened water will not hurt the machine. Distilled or RO water will oxidize the machine and possibly make the boiler overfill. Most machines have a break in period. Just use it daily. As for grinding, this really depends upon the espresso blend. Every blend is different in water content, oil content, bean hardness, etc and this impacts the grinder settings as well as other factors such as tamping and dosing. It really comes down to experimenting or trial and error.
      8. 0 votes

        The blind filter test shows if the pump can achieve 8-9 bar pressure in 7-8 seconds which is the norm for a vibration pump. The OPV usually will allow water out at 10-11 bar depending upon the setting of the OPV.

        Since your pressure does not go up with coffee, this can be a grinder or grind fineness issue as the blind filter shows the pump in the normal range.

        We would suggest you descale the pump and the grouphead without opening the steam or hot water wand as you do not want descaler in the boiler.

        The other area to look for is a blocked gicleur in the grouphead mushroom. It is part number 3 on page 6 of the grouphead diagram.

      9. 1 vote

        Temperature is usually not related to pump pressure. Not having a portafilter in the grouphead with coffee can make the temperature decrease faster or a blocked up vacuum breaker valve on the boiler.

      10. 0 votes
      11. 0 votes

        Yes, but shipping via UPS is extra-expensive, and the package is too big for USPS. In addition, there is risk of damage on any machine going to Guam.

      12. 0 votes

        Thank you for your order. Any ULKA pump on our web site with a wattage rating of 41 watts to 52 watts will work on your machine.

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