Klixon 115C for Invensys Pump

Klixon 115C limit for Invensys pump is for full thermal protection when pump overheats. When pump is operated for over 1-1/2 minutes it heats up. The Klixon turns the power off to protect the pump. The power is reconnected as soon as the temperature of pump cools off. This large Klixon is not included in the ULKA pumps. We recommend replacing a bad ULKA pump with a Invensys pump for better & quiet function and extended life.

To replace the old ULKA pump, use thermally protected Invensys pump 120V 55Watts (part #CP3A).

CP3A Invensys Vibrating Pump with wired thermal protection (see picture). Use for all Home and commercial Espresso machines. Power absorption: 55W 120V 60Hz. 55 Watts cycle 1min ON-1,5 min OFF. Metallic parts in contact with water are Stainless Steel. Equipped with internal diode connected in series with the copper winding.

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For routine maintenance of espresso machine: CLICK HERE for Espresso maintenance DOs & DON'Ts

1- Descale the machine every two or three months, for optimum water temperature and full jet of steam. Regular descaling helps to eliminate 70% of malfunctions and extends the life of the machine. It is the single most important maintenance for all espresso machines. Cleancaf, Cafiza, Joe Glow, Brew Rite, Pulycaff are products sold as descaler but they contain only Baking soda which is totally ineffective. Click Here to order Guru's choice Best descaler #DSC-6, available on this Internet store. Make sure the espresso side of the machine is descaled. Automated electronic descaling does not clean espresso side of the machine.

Use of Vinegar, R.O water or Distilled water does not eliminate descaling. It damages the boiler wall and gaskets.

CLICK HERE for instructions on proper descaling .

2- Avoid using dark roast oily beans. Oily beans and fine powdery grind setting makes over extracted coffee and clogs coffee grinder, cause malfunctions and damage to grinder. Strong Coffee is made with less water (2-Oz or less).

3- Do not refrigerate beans. They absorb moisture and clog and rust the grinder burrs. Clean coffee grinder (Built in or stand alone) every three months.

4- Lubricate Brew group every month (Automatic models only), for smooth and quiet working.  Click Here for instructions.

5- Calibrate the quality of espresso every day by making espresso in a Shot glass. A shot glass limits the coffee size and allows visual check of espresso quality, showing the color of espresso and the thickness of Crema. Get a free shot glass with purchase of a bag of Caffe Bella 100% Arabica blend medium roast beans.