This genuine Rocket Espresso 3/8 BSPP male to 1/8 BSPP male fitting, part A229904374, bridges mismatched thread sizes when installing gauges, sensors or drain lines. Machined from food-grade OT58 brass, it seals tight with minimal PTFE tape and its compact shoulder clears tight boiler spaces.
Key Features & Benefits
Low-lead OT58 brass – food-safe and corrosion-resistant
3/8 M × 1/8 M step-down – connects gauges, valves and hoses
Compact profile – ideal for prosumer and commercial chassis
Precision threads – leak-free seal with light torque
Service-kit essential – perfect for retrofits and emergency fixes
Slip this adapter into place and restore perfect pressure control in minutes.
Looking for similar items or different specifications for this Rocket Espresso 3/8- to 1/8-inch Male Fitting A229904374 – Step-Down Brass Adapter?
Explore our full range in the Rocket category
*
This part is compatible to the original part number. Part numbers are always leading.
Dial-in flawless extractions with this genuine Rocket Espresso single-shot portafilter, part A699905020. Precision-cast from durable chrome-plated brass, it ships complete with a 3/8″ threaded spout, M12 × 5.7 mm ear wings, return-spring, and a factory 7 g basket—everything you need for silky single espressos straight out of the box. The balanced Rocket...
Keep every puck evenly saturated with this genuine Rocket Espresso group-head shower, part M619905432. Precision-machined spray holes distribute water in a perfectly uniform cascade, eliminating channeling and boosting crema production. Hardened, food-grade stainless steel resists scale and chemical cleaners, while the double-layer design maintains...
This genuine Rocket Espresso pressure gauge (OEM code A299905009) is designed for boiler pressure monitoring in Rocket espresso machines. It has a clear black dial with a single 0–3 bar scale and a standard rear 1/4" M fitting.
OEM part number: A299905009
Pressure range: 0–3 bar
Connection: 1/4" M
Frame diameter: 57 mm
Body diameter: 52 mm...
Restore flawless performance with this complete electric box assembly, engineered for the Rocket Espresso Bicocca line. The module ships fully wired with relays, fuses and keyed connectors, allowing a rapid, solder-free replacement that brings your machine back to peak form.
Key Features & Benefits
Factory pre-wired module – plug-and-play...
Keep every threaded joint in your Rocket machine bone-dry with this genuine copper gasket, part C479900673. Machined for 3/8-inch connections, the annealed copper washer cold-forms as you tighten, filling microscopic surface imperfections to create a gas- and steam-tight seal that stands up to boiler temperatures and daily pressure cycles. Copper’s...
This Rocket Espresso bottomless filter holder (OEM RA99905022) allows professional baristas and enthusiasts to monitor espresso extraction directly from the group head. The 5.7 mm wings ensure a snug fit, and the product is delivered in the official Rocket Espresso branded box. Made in Italy for top quality and precision.
OEM part number: RA99905022...
Rocket Espresso Milano OEM coffee boiler heating element for selected espresso machines. This 230V 1400W heating element has an immersion depth of 130 mm, 2 poles and a 1" connection. It is commonly replaced when the original element is scaled, faulty, leaking, or no longer heating correctly.
Product details
Brand: Rocket Espresso Milano
Part type:...
Upgrade tired water lines and protect your premium machine with this factory-spec braided hose, part A299904390. Measuring 1.60 m (63″) end-to-end and sheathed in a tight-weave aluminium mesh, the hose shrugs off heat, vibration and pump pressure while preventing kinks behind cabinetry. Precision-cut 1/8″ BSP ends thread straight into Rocket’s internal...