The fix for a stalled Rocket
A Rocket that won't hold pressure puts the whole espresso program on pause. We repair the full Rocket Espresso commercial range, Toronto out to Hamilton: R 9V and R 9 multi-boilers, the RE Doppia and RE A Timer, and the Boxer family that runs cafes, kitchens, and food trucks. Sagging brew pressure, joystick wands that stick, PID readings you've stopped trusting: name the symptom and the right parts usually ride out on the first visit.
We'll get back to you today.
Thanks. We received your request.
A Grajqevci technician will get back to you today to confirm your machine and book the visit. If it's urgent, call us directly at (289) 217-3796.
Something went wrong sending your request.
Please try again, or call us directly at (289) 217-3796 and we'll book your service over the phone. You can also email [email protected].
Rocket Espresso builds machines the old Milanese way: hand-assembled, polished stainless, mechanical where it matters. The commercial range spans four architectures, from multi-boiler flagships with a brew boiler per group down to compact heat-exchanger machines sized for kiosks and food trucks. Boutique cafes and restaurant bars run them hard. From the service side they're honest machines: panels come off cleanly and the parts are mechanical and reachable. Scale is the one enemy every platform shares, and the machines that get their water managed age beautifully.
Call for Rocket Espresso service →Why Grajqevci
Call in the morning and a technician is usually on-site before the day is out. Most Rocket Espresso jobs get diagnosed and fixed on the first visit.
Commercial coffee equipment is all we do, and Rocket Espresso is part of the weekly rotation. Not a generalist guessing at a service manual. Genuine OEM parts, industry-standard procedures.
Flat rate for the visit, with parts billed separately. For bigger jobs you'll see a written quote on-site before we proceed.
Skip the wait
Trusted by Toronto's most demanding teams
Our services
Boilers, grinders, brew units, milk systems, touchscreens, error codes. We troubleshoot the issue and quote parts before any work begins.
Plumbed-in or self-contained, we handle water filtration, calibration, and staff onboarding so your machine pours perfectly from day one.
Scheduled servicing tuned to your daily volume. Gaskets, seals, descaling, milk system overhaul. Extends machine life by years.
Rocket Espresso faults we diagnose
These are the Rocket Espresso faults that book the most service calls, each with the cause behind it and what we do at the machine.
Group gaskets compress over thousands of portafilter lock-ups, and the first sign is usually drips down the diffuser mid-shot. We back-flush the group, pull the dispersion screen and screw, fit a Rocket-spec gasket, lubricate the portafilter ears with food-safe grease, and prove the seal across several test shots. On the Boxer platform this is routine service, not a breakdown.
Scale and coffee oils slowly blind the screen until the puck stops seeing even flow, and the shots channel or run weak. The screen comes out for a cafiza soak and a brush-out, we inspect the screw and the group underside for buildup, and a dimpled screen gets replaced rather than cleaned. Toronto water makes this an annual job on machines running without a maintained softener.
Line-pressure pre-infusion depends on two things: inlet pressure from the building supply and brew solenoid timing. We measure the inlet, watch the pre-infusion solenoid actually actuate, and check the controller timing in the service menu. The pressure curve gets logged with a portafilter gauge before and after, so you can see the ramp come back rather than take our word for it.
A rotary pump wears gradually, and a drifted OPV hides it until the gauge starts sagging under load. We measure brew pressure at the group with a portafilter gauge, set the OPV back to 9 bar, and replace the pump if output stays below spec during sustained extraction. The pump motor coupling and inlet strainer get checked while we're in the chassis, since they fail in the same neighbourhood.
This usually shows up 12 to 18 months in, once scale has insulated the brew element enough that the PID starts compensating for readings it can no longer trust. Each boiler gets measured against a calibrated reference probe, both circuits are descaled, and the PID setpoints are recalibrated in the service menu. We sign off only when brew temperature holds within 0.5 C across a 10-shot test.
Toronto water eats brew and steam boilers when a softener isn't maintained, and the machine tells you with long warm-ups and steam that fades mid-pitcher. A full descale of both circuits comes first, then heat-up time gets measured against spec and the heating element's resistance checked. An element drawing low after the descale gets quoted for replacement, and the level probes are cleaned while everything is open.
Mystery puddles on these machines usually trace to the boiler manifold, a brass fitting weakened by scale, or the brew solenoid seat. We pressure-test the boilers, dry the chassis completely, and run a dye-trace until the actual leak point shows itself. Fittings get re-flared or replaced rather than just retightened, because a retightened fitting is next month's callback.
Rocket's joystick steam assembly wears at the pivot bushing first, and the lever starts catching or wandering back instead of snapping closed. The assembly comes apart for a new bushing and fresh microvalve seals, the linkage gets lubricated, and we verify a crisp on-off-on action before closing up. A valve that's leaking past its seat gets rebuilt in the same visit.
When one wand goes weak while the other steams normally, the culprit is scale in the steam pathway, a part-blocked steam tip, or a worn valve cartridge. We descale the steam circuit, clear the tip, rebuild the valve, and confirm pressure at the wand itself. The tip threads get inspected too, so the tip seals properly when it goes back on.
An NTC temperature sensor going out of spec, or a controller board with contacts corroded by steam migration, will both make the display lie. The sensor gets tested against the resistance table at known reference temperatures and the connector reseated or replaced; a sensor out of spec is swapped on the spot. If the drift survives a new sensor, the controller board is the real fault and we quote that separately.
Flow meter pulse wheels coat in mineral deposit until the count turns inconsistent, and the timer reads that noise as dose drift. The flow meters come out, the impellers get cleaned, and every dose is reprogrammed against a target volume by weight rather than by eye. A damaged flow meter gets replaced before any recalibration, otherwise the drift just comes back.
That mirror finish is half the reason a Rocket sits front of house, so cosmetic work gets treated as real work. Scratches are polished out of the stainless, panels too far gone are replaced through the Rocket distribution channel, and everything goes back together with the original fasteners. The goal is a machine that looks like it did out of the crate, not one that looks repaired.
Rocket Espresso models we service
Current and legacy platforms. If your machine wears a Rocket Espresso badge, we work on it. Call us with the name and we'll diagnose before we dispatch.
Your coffee emergency ends here
Call or submit the form. We confirm your address, model, and the issue.
An experienced technician arrives, runs full diagnostics, and identifies the root cause.
You receive a flat, itemized quote. Nothing proceeds without your green light.
We complete the repair, run a test cycle, and walk you through what to watch for.
Same-day available
What we've done
Their proactive approach and thorough maintenance routines have helped us avoid costly breakdowns.
*Estimated based on the approximate distance from our nearest service centre, average commute time, and median service-call length for one machine. Prices in Canadian dollars (CAD $). Final quote provided on-site after diagnosis.
FAQ
20 answers covering service, repair, parts, installation, warranty, and edge cases.
Updated July 2026
We do, as part of our regular commercial rotation. Grajqevci services Rocket's commercial machines in cafes, restaurant kitchens, offices, and food trucks from Hamilton out to Oshawa. The coverage list further down the page shows every zone we reach.
Honest answer: not under our commercial program. The prosumer line (Appartamento, Mozzafiato, Giotto, R58, R60V, R Nine One) is built for home duty cycles, and a home espresso repair shop is better set up for it. If your prosumer Rocket is doing real commercial volume in a cafe or busy office, call us anyway; that conversation is usually about whether the machine survives the workload at all.
No. We're an independent commercial espresso service company, and we'd rather say that plainly than imply otherwise. It means we quote against the actual work, take on out-of-warranty machines, and don't need anyone's permission to source parts or to tell you a repair isn't worth it.
Scale-driven faults, by a wide margin: boilers that heat slowly, PIDs that drift, steam that fades. The water in this region is hard enough that a lapsed softener shows up inside the machine within months. Group gasket replacements and joystick steam rebuilds round out the usual list.
Yes, it's routine work. The joysticks wear at the pivot bushing and the microvalve seals, which is why they start catching or won't fully close. We rebuild the assembly rather than replacing the whole valve when the seat is still good, which keeps the cost sensible.
Usually it's a failing NTC sensor or a corroded connector rather than the controller itself, and both are inexpensive fixes. The risk is in ignoring it, because the machine is now heating to numbers nobody can trust. We test the sensor against a resistance table, so the diagnosis is measured, not guessed.
The visit and diagnosis are a flat rate you hear when you book. Parts ride on top at their real cost: a group gasket is small money, a rotary pump or heating element is mid-range, a controller board is the expensive end. Anything beyond routine gets a written quote before we start.
Yes. High-wear parts (group gaskets, dispersion screens, joystick bushings and seals, level probes, common valves) ride on the truck. Pumps, elements, transducers, flow meters, and boards are ordered per job and usually land within a couple of business days.
Mechanically they share the multi-boiler bones, so boiler, group, and steam faults look the same on both. The R 9V adds pressure profiling, which brings gear pumps and profile electronics into the picture, and those are R 9V-only repairs. Either way, the per-group boiler design means one sick group rarely takes the whole bank down.
Yes, with managed water. The platform is mechanically simple and the wear items are cheap and predictable: gaskets, screens, steam seals. The Boxers that struggle are almost always the ones running unsoftened water, because the boiler pays for that within a year or two.
On typical GTA water with a working softener, every 6 to 12 months covers most machines; without one, much sooner. The tank-fed Boxer Tank running event-site water needs the shortest interval of all. A stretching warm-up time is the early warning that scale is already building.
That pairing usually means the rotary pump is wearing or the OPV has drifted, so the puck never sees a true 9 bar. Sometimes it's simpler: a blinded dispersion screen starving the flow. We measure at the group with a portafilter gauge, which separates the two in minutes.
Yes, and they're a meaningful slice of our Rocket work. Tank units bring their own fault list: reservoir gaskets, float switches, vibration pumps, and boilers that scale fast on whatever water the venue had. We can service the machine at your commissary, your event site, or wherever the truck parks.
Usually, yes, and we see a few of these every year. Rocket's commercial machines are mechanical and well documented, so very little on them is genuinely unfixable; the question is whether the repair cost still makes sense. We'll give you the diagnosis and the math, and you decide.
Calls before midday usually see a technician the same day inside the core GTA; later calls book the next business day. Tell us the model and the symptom when you book, and the likely parts come along. A cafe with no working espresso machine gets bumped up the route.
Often, yes. These platforms are built around copper boilers, brass groups, and mechanical valves, all of which rebuild rather than expire, and 10 to 15 years of service life is normal with decent water. We'll tell you plainly if your specific machine has crossed the line where replacement wins.
Yes. Light scratches polish out of the stainless, and panels that are too far gone can be replaced through the Rocket distribution channel. It matters on this brand, because half the reason a Rocket sits front of house is how it looks doing it.
We do, and on this brand we push it harder than most, because every Rocket platform shares one enemy: scale. We size softening and filtration to your actual water and your volume, and we check the cartridge state on every service visit. It's the cheapest insurance these machines can buy.
If the fault is genuinely covered, use the warranty; the selling dealer's channel should fix it at no cost, and we'll tell you on the phone if that's your situation. Most of what actually fails, though, is scale, wear, and water-related, which warranties typically exclude. That work is ours all day.
Yes, multi-site service is routine for us. One booking can cover the R 9 at the flagship bar and the Boxers at the satellite counters, with one report covering everything. Fleets also make patterns visible: when every machine scales at the same rate, the answer is the water program, not the machines.
About Rocket Espresso
Reviewed July 2026
Rocket Espresso is a Milanese manufacturer with a full commercial range (R 9V, R 9, RE Doppia, RE A Timer, Boxer Evo, Boxer, and Boxer Tank) alongside the better-known prosumer line. We service the commercial side end-to-end.
Rocket Espresso was founded in 2007 in Milan, Italy by Andrew Meo and Daniele Berenbruch, after acquiring the home espresso machine division of the financially troubled ECM Italy. Meo, a former professional rugby player, had previously distributed ECM in New Zealand, and Berenbruch brought Italian engineering experience to the partnership. The company remains independent and Milan-based, and every machine is still hand-assembled there by skilled engineers and craftsmen. Rocket has grown into one of the most recognised premium espresso brands worldwide, on both the prosumer and the commercial side.
Rocket's commercial lineup spans seven models across four platforms. At the top, the R 9V is the pressure-profiling flagship: multi-boiler, with a separate 1.9 L brew boiler for every group, a 9 to 12 L steam boiler, and programmable pressure profiling at each group. The R 9 beside it shares the per-group boiler architecture but runs volumetric dosing instead of profiling. The RE Doppia is a true dual-boiler with a 4.3 inch TFT controller, pre-heated brew groups, and a dry-steam pathway. The RE A Timer is the classic thermosiphon heat-exchanger workhorse built around an oversized copper boiler. The Boxer family covers the compact end: the NSF-certified Boxer Evo for North American commercial sites, the plumbed Boxer, and the tank-fed Boxer Tank for mobile operators.
Rocket also builds a deep prosumer catalog (the Appartamento HX, the R58 and R60V dual-boiler flagships, the Mozzafiato and Giotto mid-range, and the R Nine One single-group flagship), which is what most people know the brand for in home espresso. Those machines are not built for sustained commercial duty and sit outside our commercial repair scope. If one of them lives in a small office pulling 20 drinks a day, it is functionally a home machine, and a home espresso repair shop is the right place to take it. This page covers the commercial Rocket range only.
Rocket commercial machines turn up across the GTA in specialty cafes, premium offices, restaurant kitchens (often running the staff or chef's-table bar), boutique hotel lobby bars, and with mobile operators, where the Boxer Tank in particular works food trucks and event catering. The R 9 and R 9V show up in third-wave cafes that want multi-boiler stability and pressure profiling without committing to La Marzocco-level capital. The RE Doppia and RE A Timer sit in restaurants and hotel programs that want Rocket aesthetics with a more conventional architecture, and the Boxer line covers the compact and mobile corner. With proper preventive service, Rocket commercial machines routinely deliver 10 to 15 years of work, longer on the heat-exchanger platforms.
Four architectures share one badge: multi-boiler, dual-boiler, heat exchanger, and the tank-fed Boxer build. The same symptom points to different culprits on each: a slow warm-up on a thermosiphon RE A Timer is usually scale in the loop, while on an R 9 it is one brew boiler's element or PID drifting on its own. Pressure profiling on the R 9V, flow-meter volumetrics across the range, and the joystick steam valves all add service layers a generalist rarely meets. The machines are also a brand statement in polished stainless, so careful disassembly and refit matter nearly as much as the fix itself.
Skip the generic repair shop. Call the team that services Rocket Espresso machines week in, week out.
Call (289) 217-3796 now →
