Fix Philips LatteGo coffee machine - less coffee & no water problem

If you notice that your Philips or Saeco espresso machine is making less coffee than usual or there is no water coming out from the machine, it may indicate a problem with the leaking hot water valve, which is very easy to replace and you can do it by yourself.
In this video I will show you how to fix this problem by boiler coupling sealing replacement.

The cause of the problem is a leaking hot water valve, also known as boiler coupling.
Philips Part number: 421945045521
Trading number: PH055503
This part fits the following coffee machine models:

#Philips
EP2220/10 - 2200 Series Matt Black
EP2221/40 - 2200 Series Pure black
EP2224/10 - 2200 Series Anthracite
EP2224/40 - 2200 Series Anthracite
EP2230/10 - 2200 Series Matt black
EP2231/40 - 2200 Series Pure black
EP2235/40 - 2200 Series Matt black
EP3221/40 - 3200 Series Pure black
EP3241/50 - 3200 Series Pure black
EP3243/50 - 3200 Series Matt White
EP3243/70 - 3200 Series Matt White
EP3246/70 - 3200 Series Silver
EP3249/70 - 3200 Series Silver Gray
EP3360/00 - 3100 Series Black
EP3362/00 - 3100 Series White
EP3363/00 - 3100 Series Red
EP3510/00 - 3100 Series Black
EP3550/00 - 3100 Series Black
EP3551/00 - 3100 Series Black
EP3551/10 - 3100 Series Silver
EP4010/00 - 4000 Series Black
EP4050/10 - 4000 Series Silver
EP4051/10 - 4000 Series Silver
EP4341/50 - 4300 Series
EP4343/50 - 4300 Series
EP4343/70 - 4300 Series
EP4346/70 - 4300 Series
EP4349/70 - 4300 Series
EP5040/10 - 5000 Series Black
EP5143/72 - 5400 Series
EP5144/72 - 5400 Series
EP5147/92 - 5400 Series
EP5310/10 - 5000 Series Pure black
EP5314/10 - 5000 Series Anthracite
EP5315/10 - 5000 Series Stainless Steel
EP5330/10 - 5000 Series Pure black
EP5331/10 - 5000 Series White
EP5333/10 - 5000 Series Silver
EP5335/10 - 5000 Series Stainless Steel
EP5340/10 - 5000 Series Pure black
EP5345/10 - 5000 Series Stainless Steel
EP5360/10 - 5000 Series Pure black
EP5361/10 - 5000 Series White
EP5363/10 - 5000 Series Silver
EP5364/10 - 5000 Series Anthracite
EP5365/10 - 5000 Series Stainless Steel
EP5441/50 - 5400 Series Black
EP5443/90 - 5400 Series
EP5444/50 - 5400 Series
EP5444/70 - 5400 Series
EP5444/90 - 5400 Series
EP5446/70 - 5400 Series
EP5447/90 - 5400 Series
EP5447/93 - 5400 Series
EP5930/10 - 5000 Series Pure black
EP5934/10 - 5000 Series Anthracite
EP5960/10 - 5000 Series Pure black
EP5961/10 - 5000 Series White
HD5720/30 - One Touch Red Anthracite
HD8650/11 - 2000 Series White Beige
HD8650/21 - 2000 Series Black
HD8651/01 - 2000 Series Black
HD8651/11 - 2000 Series White
HD8651/21 - 2000 Series Red
HD8652/51 - 2100 Series Silver
HD8652/91 - 2100 Series Black
HD8821/01 - 3000 Series Black
HD8821/09 - 3000 Series Black
HD8821/11 - 3000 Series Black
HD8821/11 - 3000 Series Silver
HD8823/01 - 3000 Series Black
HD8824/01 - 3000 Series Black
HD8827/01 - 3000 Series Black
HD8829/01 - 3000 Series Black
HD8829/09 - 3000 Series Black
HD8829/11 - 3000 Series Black
HD8830/10 - 3000 Series Black
HD8830/12 - 3000 Series White
HD8831/01 - 3100 Series Black
HD8831/11 - 3100 Series Silver
HD8832/01 - 3100 Series Black
HD8834/01 - 3100 Series Black
HD8834/11 - 3100 Series Silver
HD8841/01 - 4000 Series Black
HD8841/11 - 4000 Series Silver
HD8844/01 - 4000 Series Black
HD8847/01 - 4000 Series Black
HD8847/11 - 4000 Series Silver

#Saeco
10000051 - Lirika Coffee Black
10000052 - Lirika Macchiato Silver
10004768 - Lirika OTC Titan
HD8861/11 - Minuto Perlmuttsilber
HD8862/01 - Minuto Pure black
HD8862/09 - Minuto Pure black
HD8867/11 - Minuto Silver
HD8867/12 - Minuto Red
HD8911/01 - Incanto Pure black
HD8913/11 - Incanto Titanium
HD8914/01 - Incanto Stainless Steel
HD8915/01 - Incanto Stainless Steel
HD8916/01 - Incanto Pure black
HD8917/01 - Incanto Stainless Steel
HD8918/21 - Incanto Black
HD8918/31 - Incanto Silver
HD8918/41 - Incanto Silver Gray
HD8919/51 - Incanto Titanium
HD8919/55 - Incanto Silbergrau
HD8921/01 - Incanto Deluxe Stainless Steel
HD8922/01 - Incanto Deluxe Stainless Steel
HD8924/01 - PicoBaristo Black Stainless Steel
HD8925/01 - PicoBaristo Pure black
HD8927/01 - PicoBaristo Stainless Steel
RI9752/01 - Odea Gray
RI9752/11 - Odea Black
RI9752/31 - Odea Vanille
RI9754/01 - Odea Gray
RI9754/21 - Odea Orange
RI9755/11 - Odea Eclipse Edition
RI9757/01 - Odea Silver
RI9822/01 - Talea Titan Silver
RI9826/01 - Talea Ring Plus Black
RI9826/11 - Talea Ring Plus Eclipse Black
RI9828/01 - Talea Touch Plus
RI9828/11 - Talea Touch Plus
RI9829/11 - Talea Eclipse Black
SM3054/00 - PicoBaristo Pure black
SM3054/10 - PicoBaristo Silver
SM3061/10 - PicoBaristo Silver
SM5460/10 - PicoBaristo Black
SM5470/10 - PicoBaristo Black
SM5471/10 - PicoBaristo Silver Front
SM5473/10 - PicoBaristo Stainless Steel Front
SM5478/10 - PicoBaristo White
SM5479/10 - PicoBaristo Stainless Steel Front
SM5570/10 - PicoBaristo Pure black
SM5572/10 - PicoBaristo Anthracite Front
SM5573/10 - PicoBaristo Stainless Steel Front