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Portafilter pressure gauge

Portafilter thermal Pressure Gauge Kit

Fits all 3/8'' portafilters
Stock Status: In Stock
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Dual pressure and temperature gauge kit - for models with a solenoid only.
Some assembly required - This comes as a kit .

Check your espresso machine's pump pressure with this kit, so you can adjust the pump to give you 9 bars of pump pressure.
Over time your pump pressure fades but when you can adjust the pump you can restore the lost coffee crema.

Check your machines group water temperature 
Over time the boiler temperature fades but when you can adjust the pressurestat you can increase the boiler temperature.
Great dual tool 

How to install:
1.Remove your coffee spout from your existing portafilter.
2.Install this one- by screwing chrome filter holder adaptor onto existing spout holder.
3.Kit will need to be tightened with a wrench to ensure water tightness .

Kit includes:
 -Thermal pressure gauge
- Chrome filter holder adaptor, PVC gasket and steel gauze -  needs to be screwed on to gauge. 
- Brass and steel fittings x 2 - fully assembled and sealed on the gauge.
-  Instructions are not included**
0-16 bar pressure and 0-120°C

Fits: Commercial-grade portafilters with 3/8" spout.

Material: Stainless Steel adaptor, Plastic thermal and pressure gauge with steel parts.
Dimensions: Ø 7.7cm x 3.7 cm  
Adaptor:  3/8'' female thread fitting.
           See live chat below

**Disclaimer:This tool is primarily for use for qualified technicians. It does not come with instructions, as it is assumed you have the technical competence to use this product. If you feel that you may not have the necessary competence, we recommend not purchasing this product. We accept no responsibility for improper use.

How to Use:

  1. Install portafilter.​​​​​​
  2. Machine should warm up - fully and 1-2 cups water should be removed to warm group 1st.
  3. Activate coffee switch - observe pump pressure and the temperature of the group.
  4. Pump pressure shown may not be 9 bars - however you should aim extract coffee at 9 bars typically.
  5. Group temperature is often set at 92-95c - some coffees are best extracted at 88-92c

Adjusting pump pressure:

  • Rotary vane pumps - Most machines that are plumbed in have a pump pressure adjustment screw on the rotary valve pump.With gauge installed and pump activated, it is possible to adjust the pump pressure.
  • Vibration pumps - some models have an over pressure valve and this can be used to adjust pump pressure.

Adjusting group temperature: 

  • Single boiler with a heat exchanger: Boiler pressure controls the temperature of the boiler, which is regulated by a pressure stat. Note: Reducing pressure stat also reduces the boiler temperature.
  • Product Code:
  • Brand:
    Stella Azzura
  • Condition:
  • Weight:
Based on 1 review(s)
Write an online review and share your thoughts with other shoppers!
John - Hong Kong

Just wanted to drop you a note to say that I am super impressed by the efficiency of your online ordering system. I’m now recommending you as a source for these parts to all our non-USA customers. They're useful to our customers because they can use them to calibrate the espresso machine they bought from us.

If you guys happen to be going to the world of coffee conference in Berlin in June, please stop by our booth and say hello.

– John Decent Espresso

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