Rocket R Nine One R91 Commercial Espresso Machines - Pro Coffee Gear
Rocket R Nine One R91 Commercial Espresso Machines - Pro Coffee Gear
Rocket R Nine One R91 Commercial Espresso Machines - Pro Coffee Gear

Rocket Espresso R Nine One

R Nine One

Color
Pay with ACH & Save extra 2.5%

Engineered to bring commercial-grade performance into your home or small café, the R NINE ONE (R91) delivers exceptional espresso with unmatched control. Featuring a fully saturated group system and digital PID temperature stability, every shot is crafted with precision. Its advanced pressure profiling system lets you fine-tune pre and post-infusion with five programmable profiles or full manual control using the signature Rocket paddle. Whether you prefer a direct water connection or the built-in reservoir, this machine offers the ultimate flexibility.
Designed for those who demand stability, consistency, and professional-level results, the R NINE ONE transforms your coffee experience—one perfect shot at a time.

Includes Fast Shipping, a 3-year parts warranty for home use, a 12-month parts warranty for commercial use, and Lifetime Pro Support.

  • Volumetric Dosing – Achieve precise, repeatable results by programming your shot volume down to the milliliter for each pressure profile.
  • Dual Boilers – Enjoy precise temperature control with stainless steel 1.9-liter brew and 3.6-liter steam boilers, both insulated for optimal heat retention.
  • Saturated Group – Experience consistent extractions with a fully-circulated water path that keeps the group head perfectly temperature-synced with the brew boiler.
  • Pressure Profiling – Customize your espresso with up to five programmable pressure profiles or take full manual control for long pre-infusions, gradual pressure declines, and everything in between.
  • PID Temperature Control – Easily fine-tune your machine's temperature settings for different coffee beans while ensuring rock-solid stability throughout your shot.
  • Auto-On Timer – Wake up to a ready-to-brew machine! Schedule up to two heat cycles per day for ultimate convenience.
  • Intuitive Touch Display – Easily adjust temperature, pressure profiles, and shot settings for precision brewing.
  • Premium Stainless Steel Build – Designed for durability and style, the full stainless steel frame, case, and portafilters offer a robust, high-end feel for your coffee setup.
View full details

RESOURCES

SPECIFICATIONS

Manufacturer
Rocket Espresso
Boiler Type
Dual Boiler
Number of group heads
1
Length (in)
16.1
Depth (in)
19.9
Height (in)
16.9
Voltage
110-120V
Amperage
15A
Wattage
1600W
Weight
104.5lbs
Certificate
UL, NSF

Manufacturer

Rocket Espresso makes hand-built espresso machines with classic Italian design. They feature heated E61 group heads for temperature stability, rotary pumps, and PID controllers, making them some of the most sophisticated machines available. Rocket espresso machines are great not only for home use but for commercial set-ups like cafés and coffee shops as well.

Warranty & Returns

Standard warranty covers the replacement of defective parts for up to 12 months after purchase date.

30-Day Returns - Standard returns Returns are accepted if initiated by the buyer within 30 days of receipt. Returned equipment must be in the same condition as received per our inspection or else dockages may be incurred. A 20% restocking fee applies to espresso machines, brew equipment and grinders; this covers subsequent physical and mechanical inspection, additional setup/testing, and restocking post receipt. Buyer is responsible for return shipping to our facility (located in Austin, Texas), along with any associated costs that may be incurred. Read our full returns policy

water Quality Requirements

Water quality testing for your espresso machine is essential for optimal flavor and equipment longevity. Good water enhances the taste of your coffee, while impurities can cause scale buildup and damage to the machine. Damage caused by inadequately treated water will void the machine and manufacturer’s warranty. Chloride requirements only apply to machines with steel boilers.

Target

Upper Limit

Total Chlorine
0 mg/L
0.5 mg/L
Calcium Hardness
4 grains/gallon or 68 mg/L
5 grains/gallon (85 mg/L)
Total Alkalinity
40 mg/L
pH
7.0
7.5
Chloride
ppm
30