Single boiler machines are generally amongst the least expensive machines with prices on under $1000.
With this class of machines, espresso is produced and the operator then presses a button to activate steam. After a short delay, milk can be textured to produced milk-based drinks.
These machines do require more care to ensure that the boiler remains filled with water (boiler priming) or damage to heating elements can occur. We recommend that those contemplating the purchase of a single boiler machine read our boiler priming guide which is located in the education section of the website.