This top connector ring with O-ring is a must-have for any Alpha CB28X boiler owner who wants to ensure their system runs smoothly. It is designed specifically for this model and is made by the trusted brand, Alpha.

With this piece, you can rest assured that any condensate produced by your boiler will be properly trapped and disposed of, preventing any potential damage to your system. It is a high-quality part that is sure to last, and its easy installation process makes it a convenient solution to any boiler maintenance needs. Purchase with confidence knowing you are getting a reliable product from a reputable brand.