Question about Gaggia Titanium Espresso Machine

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My titanium is no longer extracting properly, getting weak bitter coffee water instead. The upper filter in the brewing group is now loose, instead of screwing in you can now pull it out with the plastic it screws into still on the screw thread) Not sure if this is the root of the problem or if there are other problems with it. For info, I have had multiple leakage problems & boiler problems in the past so it has been back to Gaggia about 5 times now, but nothing like this problem before

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There shouldn't be a way for that metal filter disc at the top of the brew chamber to come out without unscrewing the plastic thumbscrew on top. If you are saying the disc will slide out, or fall out, while that plastic thumbscrew is still tightened onto the threaded, metal shaft on the disc - then your brew group must be broken or you aren't putting it together correctly. That disc should push up into place with the threaded shaft poking up though the small hole - then the plastic thumbscrew should twist onto the threaded shaft and tighten down to pull the disc tightly up in place. If that doesn't happen, then the filter won't be held in place tightly so the water can leak around the filter and of course the coffee would be watery and weak.

Posted on Apr 16, 2011


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We have a C Series Bunn single coffee make that has two different sized clear plastic water hoses connected with a barbed fitting. I can not find a manual that shows me this fitting.

It sounds like the T-Barbed fitting on top just before the brew head. There is a water by-pass system on large commercial brewers. The idea is that it's possible to over-extract the ground coffee if too much water is poured into the worn out ground. There are several types of systems and ideas on how to overcome this problem. over extraction is one of the causes of bitter coffee. You've tasted old peculated coffee from old brewers of the 1950-60's.
* the t-barb fitting comes from the main brew head valve then tees off to the bypass port which can have another solenoid or just a pin valve. the pin valve is manually adjusted to flow anytime the brew head valve is turned on. water is partially diverted to by-pass the grounds and drips directly along the inside of the brew funnel. Open it too much and you get weak watery coffee. Too little then stronger bitter coffee. I suggest turning it all the way clockwise (off) then opening it 3-1/2 turns. Check and adjust to taste.
* you should call your vendor for service and parts if needed.
* Parts are available from Bunn vendors,, Amazon, or your local restaurant supply as Bunn is a very common brand. Curtis parts may fit too. The barb is a standard 3/8th T fitting if I remember right. You may also find it at a Refrigeration plumbing supply like COSCO plumbing (Not the COSTCO membership store)
* It's just a divert-er so even a nylon t-fitting may work.
* Final; you can find the parts and manuals from even some of the discontinued models.
Aloha! ukeboy57

Mar 28, 2017 | Bunn Coffee Makers & Espresso Machines

1 Answer

My gaggia titanium dumps the brewed coffee into the dregdrawer, how do I fix that?

Water collection in dump box can be due to any of the following reasons:

1- The Plastic screw that fastens the upper filter screen in the brew group is not holding the 9 bar extraction pressure. The O-ring seal on the screw may have hardened. Replace the plastic screw. There are two different screws. Older Pre 2004 models have a screw with flexible locking pins. Here is the link to order:
The screw in newer models is shorter with a flat locking end. Here is the link:
2- The second reason can be less coffee which is not enough for good compacting. This leaves room for some coffee that did not squeeze out and drops in the dump box with watery used coffee puck.
3- The Conical burrs may not have been replace for several years. The steel conical burrs have a life of 2500 grinds. This machine may still have burrs that have done over 5000 grinds.
Blunted burrs need to be replaced. You can order the burrs and instructions for cleaning the grinder and replacing the burrs. Here is the link:

Please check the above and fix the cause.

Btw, I’m available to help over the phone in case u need at

Mar 03, 2015 | Gaggia Titanium Espresso Machine

1 Answer

How can I avoid bitter coffee?

If the water that comes into contact with the coffee grounds is too hot, you will extract bitter elements from the coffee. The water should not be boiling when poured on the coffee grounds. Coffee oils, fats and sediment are the natural parts of the coffee bean that causes bitterness by forming as the brew ages. The longer the coffee sits the stronger it tastes.
Article Source :

Espresso Machines Coffee Makers Grinders Reviews

Sep 08, 2014 | Coffee Makers & Espresso Machines

1 Answer

Coffee brewing very weak

possible ways to remedy this problem:
problem of weak beverage
1. Filter Type-BUNN paper filters must be used
for proper extraction.
2. Coffee Grind-A fine or drip grind must be used
for proper extraction.
3. Sprayhead-A six-hole stainless steel spray-
head must be used for proper
4. Funnel Loading-The BUNN paper filter must be centered in the funnel and the bed of ground leveled by gentle shaking.
5. Water Temperature- Place an empty funnel on an empty
dispenser beneath the sprayhead. Initiate a brew cycle and check the
water temperature immediately below the sprayhead with a ther-
mometer. The reading should not be less than 195F (91C). Adjust
the control thermostat to increase the water temperature. Replace if necessary.

Apr 11, 2013 | Bunn 392 Pourover Coffee Maker With 2...

1 Answer

My coffee tastes watery. It seems as though the water flowing through the filter is going too fast. My other Keurig at work brews much slower, and the coffee is delicious.

Hi, Your coffee is ground too coarse. Make the grind finer as this will slow down the flow rate. If you go too fine it will just dribble and over extract the coffee."bitter". Dazza REPAIRER

Sep 23, 2011 | Keurig B60 Coffee Maker

1 Answer

Hello, I have a Saeco Royal Digital Plus. I have a problem with water getting into the little tray under the brew. (Normally there will be little coffee residue in the tray). While doing the thin coffee....

This a normal operation. As much fine is the coffee grinding is set then the water make it more difficult to pass through and when the coffee process finish the water remains in the piping sytem after pressure lelease in the try under brew group. All you need to take care is that the grinding is not adjusted too fine thus runnig very slow and coffee will be burned and become bitter. Also you need to remove the brew group very often and clean it with warm water and every month remove the st. steel filter from brew and clean it so all holes are open from dry coffee. You can also use the special coffee cleaning tablets to perform a cleaning proccess so the machine remains in good shape. You can find all these informations, parts and others about your machine at the

Jul 17, 2011 | Saeco Royal Digital Plus Coffee...

1 Answer

My Machine Francis X6 has presented the problem of variation in the amount of water - quantity / volume of coffee in the cup when making coffee. Ouvir Ler foneticamenteDicionário - Ver...

If these rules are not heeded, then one will get anything
but a perfect espresso, because:
if the amount of ground coffee is less than 7 grams
an insufficient amount exists for extraction weak and watery
if the grain size distribution is too coarse
neither the solid nor the colloidal parts will be extracted weak and watery
if the ground coffee is not compacted
the colloidal parts will not be extracted weak and watery
if the coffee is too coarsely ground weak, watery, barely aromatic, sour, bitter
considerably less than 25% will be extracted and unpleasant, the aftertaste will not last long
if the water temperature is less than 97 Degrees Celsius
the extraction will be reduced predominantly sour
if the water does not have a minimum pressure of 9 bar
the colloidal particles will not be able to be extracted predominantly bitter
if the water temperature is much above 97 Degrees Celsius
the coffee will become scorched during the extraction bitter and woody, will smell charred

its a science and trial and error to get the right/perfect cup. due to where u live (atmospheric pressure) and temp/humidity. read this for a better understanding

Jan 14, 2011 | Husqvarna SM 510 R Motorcycles

1 Answer

The brew unit is not tamping the ground coffe properly.

Give the brew unit a good wash,then lube all the moving parts with food grade grease.
If you are able dismantle the brew unit and wash in warm soapy water,this removes coffee and any old lubricant.

Feb 21, 2010 | Gaggia Titanium Espresso Machine

1 Answer

My miele espresso maker dispenses too much water in my espresso. how do I fix this?

If you fill two esspresso cups at the same time it should be the correct size. But if it is weak, see below...
For one cup, press the small coffee button to start. Press the button again when the desired amount of espresso is in the cup to stop the flow. if it is too watery but the correct amount see below.

If the espresso is too weak push the coffee grinds slide switch inside one notch finer and make another 3 cups. If the flavor does not get strong in 3 cups then there is an anomaly happening. The brew unit upper filter has gunk clogged behind it to a point where the pressure (230psi) of hot water trying to get through the gunk pierces a small channel through only a portion of the filter screen. All the water is running through only 4 or 5 holes in the filter screen. This eddy allows hot water to pass most of the grinds without extracting flavor. It's the same as if you clogged a sink strainer then pushed the blockage off part of the strainer. The water goes around the coffee not through it. The path of least resistance.

Remove the upside down stainless steel filter on the brew unit- Remove the screw using the allen key that came with the machine. It goes through the little finger nut on the top of the brew unit. Turn it counter-clockwise (lefty loosy) and the filter will come off from underside. The area behind the filter screen has to be cleaned of any coffee residues. Also check thew creme valve. It is under spring tension accessible from the top of the brew unit by removing two screws holding the long pipe on top. be careful not to let the spring shoot out and loose the creme valve. It looks like a plastic rivet on the other end of the spring. Clean out the entire channel by rinsing. Use a pipe cleaner for dried on grinds.

Note: the finer you set the grinds the quicker it clogs the filters. Increase the use of cleaning tablets when you grind finer coffee. A clogged brew unit is almost impossible to clean even for the most handy of people and the last I checked a new brew unit is well over 200 bucks! Good luck!

Jul 30, 2009 | Miele CVA615 Espresso Machine

1 Answer

Weak coffee and pale crema.

If you get weak coffee from espresso machines:

Check water temp, if water temp is insufficient , most common is scale heating element , faulty element, faulty thermostat.
Check if water is dripping right at the center of the filter, if it is dripping on one side because the orifice is clogged, that can result in weak coffee.
Coffee blend not well distributed on filter basket.

On Espresso machines:

Check water temp, same as filter coffee machines (thermostat element, scale on heating chamber).
Ensure that coffee is filled correctly in the filter cup (fill at level), and well pressed.
Ensure that the coffee mixture that you are using is not too coarse, buy the apposite one for espresso.
Ensure that you are not leaving the machine brewing for a time that is too long, and Italian coffee cup is very small, approximately one regular shot.

On the hob moka pots (espresso, Moka and Bialetti type):

This are the trickiest ones, you need art and practice to get a good espresso with a Moka, but when you learn, the result is better than what you may get with an home electrical espresso maker.
The frame on the hob must be not too strong, and the mixture coarse but well pressed, with water at level tag, or you will get a weak coffee.
On Mokas a good strategy is keeping hob at minimum, and turning up the flame at top when coffee starts coming out.

Note: insufficient pressure and clogged lines on electric machines never give you a weak coffee, exactly the opposite.
Not pressed mixture always gives weak coffee, but too much pressed mixture may give you coffee with bad taste.

Jul 16, 2008 | Gaggia Titanium Espresso Machine

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